Merge remote-tracking branch 'origin/master' into przemyslawjacewicz_actionmanager_impl_prototype

dhp-schemas/pom.xml

@@ -30,7 +30,12 @@
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
         </dependency>
-        
+
+        <dependency>
+            <groupId>com.google.guava</groupId>
+            <artifactId>guava</artifactId>
+        </dependency>
+
          <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>

dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/action/AtomicAction.java

@@ -0,0 +1,38 @@
+package eu.dnetlib.dhp.schema.action;
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import eu.dnetlib.dhp.schema.oaf.Oaf;
+
+import java.io.Serializable;
+
+@JsonDeserialize(using = AtomicActionDeserializer.class)
+public class AtomicAction<T extends Oaf> implements Serializable {
+
+    private Class<T> clazz;
+
+    private T payload;
+
+    public AtomicAction() {
+    }
+
+    public AtomicAction(Class<T> clazz, T payload) {
+        this.clazz = clazz;
+        this.payload = payload;
+    }
+
+    public Class<T> getClazz() {
+        return clazz;
+    }
+
+    public void setClazz(Class<T> clazz) {
+        this.clazz = clazz;
+    }
+
+    public T getPayload() {
+        return payload;
+    }
+
+    public void setPayload(T payload) {
+        this.payload = payload;
+    }
+}

dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/action/AtomicActionDeserializer.java

@@ -0,0 +1,29 @@
+package eu.dnetlib.dhp.schema.action;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import eu.dnetlib.dhp.schema.oaf.Oaf;
+
+import java.io.IOException;
+
+public class AtomicActionDeserializer extends JsonDeserializer {
+
+    @Override
+    public Object deserialize(JsonParser jp, DeserializationContext ctxt) throws IOException, JsonProcessingException {
+        JsonNode node = jp.getCodec().readTree(jp);
+        String classTag = node.get("clazz").asText();
+        JsonNode payload = node.get("payload");
+        ObjectMapper mapper = new ObjectMapper();
+
+        try {
+            final Class<?> clazz = Class.forName(classTag);
+            return new AtomicAction(clazz, (Oaf) mapper.readValue(payload.toString(), clazz));
+        } catch (ClassNotFoundException e) {
+            throw new IOException(e);
+        }
+    }
+}

dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/Relation.java

@@ -6,7 +6,7 @@ import java.util.Objects;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import org.junit.Assert;
+import static com.google.common.base.Preconditions.checkArgument;
 
 public class Relation extends Oaf {
 
@@ -71,11 +71,13 @@ public class Relation extends Oaf {
 	}
 
 	public void mergeFrom(final Relation r) {
-		Assert.assertEquals("source ids must be equal", getSource(), r.getSource());
+
-		Assert.assertEquals("target ids must be equal", getTarget(), r.getTarget());
+		checkArgument(Objects.equals(getSource(), r.getSource()),"source ids must be equal");
-		Assert.assertEquals("relType(s) must be equal", getRelType(), r.getRelType());
+		checkArgument(Objects.equals(getTarget(), r.getTarget()),"target ids must be equal");
-		Assert.assertEquals("subRelType(s) must be equal", getSubRelType(), r.getSubRelType());
+		checkArgument(Objects.equals(getRelType(), r.getRelType()),"relType(s) must be equal");
-		Assert.assertEquals("relClass(es) must be equal", getRelClass(), r.getRelClass());
+		checkArgument(Objects.equals(getSubRelType(), r.getSubRelType()),"subRelType(s) must be equal");
+		checkArgument(Objects.equals(getRelClass(), r.getRelClass()),"relClass(es) must be equal");
+
 		setCollectedFrom(Stream.concat(getCollectedFrom().stream(), r.getCollectedFrom().stream())
 				.distinct() // relies on KeyValue.equals
 				.collect(Collectors.toList()));
@@ -85,18 +87,18 @@ public class Relation extends Oaf {
 	public boolean equals(Object o) {
 		if (this == o) return true;
 		if (o == null || getClass() != o.getClass()) return false;
-		if (!super.equals(o)) return false;
 		Relation relation = (Relation) o;
-		return Objects.equals(relType, relation.relType) &&
+		return relType.equals(relation.relType) &&
-				Objects.equals(subRelType, relation.subRelType) &&
+				subRelType.equals(relation.subRelType) &&
-				Objects.equals(relClass, relation.relClass) &&
+				relClass.equals(relation.relClass) &&
-				Objects.equals(source, relation.source) &&
+				source.equals(relation.source) &&
-				Objects.equals(target, relation.target) &&
+				target.equals(relation.target) &&
 				Objects.equals(collectedFrom, relation.collectedFrom);
 	}
 
 	@Override
 	public int hashCode() {
-		return Objects.hash(super.hashCode(), relType, subRelType, relClass, source, target, collectedFrom);
+		return Objects.hash(relType, subRelType, relClass, source, target, collectedFrom);
 	}
+
 }

dhp-schemas/src/main/java/eu/dnetlib/dhp/schema/oaf/Result.java

@@ -5,7 +5,7 @@ import java.util.Comparator;
 import java.util.List;
 import java.util.Objects;
 
-public abstract class Result extends OafEntity implements Serializable {
+public class Result extends OafEntity implements Serializable {
 
     private List<Author> author;
 

dhp-schemas/src/test/java/eu/dnetlib/dhp/schema/action/AtomicActionTest.java

@@ -0,0 +1,37 @@
+package eu.dnetlib.dhp.schema.action;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import eu.dnetlib.dhp.schema.oaf.Relation;
+import org.apache.commons.lang3.StringUtils;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.io.IOException;
+
+public class AtomicActionTest {
+
+    @Test
+    public void serializationTest() throws IOException {
+
+        Relation rel = new Relation();
+        rel.setSource("1");
+        rel.setTarget("2");
+        rel.setRelType("resultResult");
+        rel.setSubRelType("dedup");
+        rel.setRelClass("merges");
+
+        AtomicAction aa1 = new AtomicAction(Relation.class, rel);
+
+        final ObjectMapper mapper = new ObjectMapper();
+        String json = mapper.writeValueAsString(aa1);
+
+        Assert.assertTrue(StringUtils.isNotBlank(json));
+
+        AtomicAction aa2 = mapper.readValue(json, AtomicAction.class);
+
+        Assert.assertEquals(aa1.getClazz(), aa2.getClazz());
+        Assert.assertEquals(aa1.getPayload(), aa2.getPayload());
+
+    }
+
+}

dhp-workflows/dhp-aggregation/pom.xml

@@ -24,6 +24,12 @@
             <groupId>eu.dnetlib.dhp</groupId>
             <artifactId>dhp-common</artifactId>
             <version>${project.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>com.sun.xml.bind</groupId>
+                    <artifactId>jaxb-core</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
         
          <dependency>
@@ -32,6 +38,49 @@
             <version>${project.version}</version>
         </dependency>
 
+        <dependency>
+            <groupId>eu.dnetlib</groupId>
+            <artifactId>dnet-actionmanager-common</artifactId>
+            <exclusions>
+                <exclusion>
+                    <groupId>eu.dnetlib</groupId>
+                    <artifactId>dnet-openaireplus-mapping-utils</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>saxonica</groupId>
+                    <artifactId>saxon</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>saxonica</groupId>
+                    <artifactId>saxon-dom</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>jgrapht</groupId>
+                    <artifactId>jgrapht</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>net.sf.ehcache</groupId>
+                    <artifactId>ehcache</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.springframework</groupId>
+                    <artifactId>spring-test</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.apache.*</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>apache</groupId>
+                    <artifactId>*</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>eu.dnetlib</groupId>
+            <artifactId>dnet-openaire-data-protos</artifactId>
+        </dependency>
+
         <dependency>
             <groupId>net.sf.saxon</groupId>
             <artifactId>Saxon-HE</artifactId>
@@ -55,6 +104,11 @@
 			<groupId>org.mongodb</groupId>
 			<artifactId>mongo-java-driver</artifactId>
 		</dependency>
+
+        <dependency>
+            <groupId>org.apache.hadoop</groupId>
+            <artifactId>hadoop-distcp</artifactId>
+        </dependency>
 		
 		<dependency>
             <groupId>org.postgresql</groupId>

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/ExtractEntitiesFromHDFSJob.java

@@ -1,94 +0,0 @@
-package eu.dnetlib.dhp.migration;
-
-import java.io.IOException;
-import java.util.Arrays;
-import java.util.List;
-import java.util.stream.Collectors;
-
-import org.apache.commons.io.IOUtils;
-import org.apache.commons.lang3.StringUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.io.Text;
-import org.apache.spark.api.java.JavaRDD;
-import org.apache.spark.api.java.JavaSparkContext;
-import org.apache.spark.sql.SparkSession;
-
-import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-import eu.dnetlib.dhp.schema.oaf.Dataset;
-import eu.dnetlib.dhp.schema.oaf.Datasource;
-import eu.dnetlib.dhp.schema.oaf.Organization;
-import eu.dnetlib.dhp.schema.oaf.OtherResearchProduct;
-import eu.dnetlib.dhp.schema.oaf.Project;
-import eu.dnetlib.dhp.schema.oaf.Publication;
-import eu.dnetlib.dhp.schema.oaf.Relation;
-import eu.dnetlib.dhp.schema.oaf.Software;
-import scala.Tuple2;
-
-public class ExtractEntitiesFromHDFSJob {
-
-	private static final Log log = LogFactory.getLog(ExtractEntitiesFromHDFSJob.class);
-
-	public static void main(final String[] args) throws Exception {
-		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
-				IOUtils.toString(MigrateMongoMdstoresApplication.class
-						.getResourceAsStream("/eu/dnetlib/dhp/migration/extract_entities_from_hdfs_parameters.json")));
-		parser.parseArgument(args);
-
-		final SparkSession spark = SparkSession
-				.builder()
-				.appName(ExtractEntitiesFromHDFSJob.class.getSimpleName())
-				.master(parser.get("master"))
-				.getOrCreate();
-
-		try (final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext())) {
-
-			final List<String> sourcePaths = Arrays.stream(parser.get("sourcePaths").split(",")).filter(p -> exists(sc, p)).collect(Collectors.toList());
-			final String targetPath = parser.get("graphRawPath");
-
-			processEntity(sc, Publication.class, sourcePaths, targetPath);
-			processEntity(sc, Dataset.class, sourcePaths, targetPath);
-			processEntity(sc, Software.class, sourcePaths, targetPath);
-			processEntity(sc, OtherResearchProduct.class, sourcePaths, targetPath);
-			processEntity(sc, Datasource.class, sourcePaths, targetPath);
-			processEntity(sc, Organization.class, sourcePaths, targetPath);
-			processEntity(sc, Project.class, sourcePaths, targetPath);
-			processEntity(sc, Relation.class, sourcePaths, targetPath);
-		}
-	}
-
-	private static void processEntity(final JavaSparkContext sc, final Class<?> clazz, final List<String> sourcePaths, final String targetPath) {
-		final String type = clazz.getSimpleName().toLowerCase();
-
-		log.info(String.format("Processing entities (%s) in files:", type));
-		sourcePaths.forEach(log::info);
-
-		JavaRDD<String> inputRdd = sc.emptyRDD();
-
-		for (final String sp : sourcePaths) {
-			inputRdd = inputRdd.union(sc.sequenceFile(sp, Text.class, Text.class)
-					.map(k -> new Tuple2<>(k._1().toString(), k._2().toString()))
-					.filter(k -> isEntityType(k._1(), type))
-					.map(Tuple2::_2));
-		}
-
-		inputRdd.saveAsTextFile(targetPath + "/" + type);
-
-	}
-
-	private static boolean isEntityType(final String item, final String type) {
-		return StringUtils.substringAfter(item, ":").equalsIgnoreCase(type);
-	}
-
-	private static boolean exists(final JavaSparkContext context, final String pathToFile) {
-		try {
-			final FileSystem hdfs = org.apache.hadoop.fs.FileSystem.get(context.hadoopConfiguration());
-			final Path path = new Path(pathToFile);
-			return hdfs.exists(path);
-		} catch (final IOException e) {
-			throw new RuntimeException(e);
-		}
-	}
-}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/MigrateMongoMdstoresApplication.java

@@ -1,45 +0,0 @@
-package eu.dnetlib.dhp.migration;
-
-import org.apache.commons.io.IOUtils;
-
-import eu.dnetlib.dhp.application.ArgumentApplicationParser;
-
-public class MigrateMongoMdstoresApplication {
-
-	public static void main(final String[] args) throws Exception {
-		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
-				IOUtils.toString(MigrateMongoMdstoresApplication.class.getResourceAsStream("/eu/dnetlib/dhp/migration/migrate_mongo_mstores_parameters.json")));
-		parser.parseArgument(args);
-
-		final String mongoBaseUrl = parser.get("mongoBaseUrl");
-		final String mongoDb = parser.get("mongoDb");
-
-		final String mdFormat = parser.get("mdFormat");
-		final String mdLayout = parser.get("mdLayout");
-		final String mdInterpretation = parser.get("mdInterpretation");
-
-		final String hdfsPath = parser.get("hdfsPath");
-		final String hdfsNameNode = parser.get("namenode");
-		final String hdfsUser = parser.get("hdfsUser");
-
-		final String dbUrl = parser.get("postgresUrl");
-		final String dbUser = parser.get("postgresUser");
-		final String dbPassword = parser.get("postgresPassword");
-
-		if (mdFormat.equalsIgnoreCase("oaf")) {
-			try (final OafMigrationExecutor mig =
-					new OafMigrationExecutor(hdfsPath, hdfsNameNode, hdfsUser, mongoBaseUrl, mongoDb, dbUrl, dbUser, dbPassword)) {
-				mig.processMdRecords(mdFormat, mdLayout, mdInterpretation);
-			}
-		} else if (mdFormat.equalsIgnoreCase("odf")) {
-			try (final OdfMigrationExecutor mig =
-					new OdfMigrationExecutor(hdfsPath, hdfsNameNode, hdfsUser, mongoBaseUrl, mongoDb, dbUrl, dbUser, dbPassword)) {
-				mig.processMdRecords(mdFormat, mdLayout, mdInterpretation);
-			}
-		} else {
-			throw new RuntimeException("Format not supported: " + mdFormat);
-		}
-
-	}
-
-}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/actions/LicenseComparator.java

@@ -0,0 +1,49 @@
+package eu.dnetlib.dhp.migration.actions;
+
+import eu.dnetlib.data.proto.FieldTypeProtos.Qualifier;
+
+import java.util.Comparator;
+
+public class LicenseComparator implements Comparator<Qualifier> {
+
+    @Override
+    public int compare(Qualifier left, Qualifier right) {
+
+        if (left == null && right == null) return 0;
+        if (left == null) return 1;
+        if (right == null) return -1;
+
+        String lClass = left.getClassid();
+        String rClass = right.getClassid();
+
+        if (lClass.equals(rClass)) return 0;
+
+        if (lClass.equals("OPEN SOURCE")) return -1;
+        if (rClass.equals("OPEN SOURCE")) return 1;
+
+        if (lClass.equals("OPEN")) return -1;
+        if (rClass.equals("OPEN")) return 1;
+
+        if (lClass.equals("6MONTHS")) return -1;
+        if (rClass.equals("6MONTHS")) return 1;
+
+        if (lClass.equals("12MONTHS")) return -1;
+        if (rClass.equals("12MONTHS")) return 1;
+
+        if (lClass.equals("EMBARGO")) return -1;
+        if (rClass.equals("EMBARGO")) return 1;
+
+        if (lClass.equals("RESTRICTED")) return -1;
+        if (rClass.equals("RESTRICTED")) return 1;
+
+        if (lClass.equals("CLOSED")) return -1;
+        if (rClass.equals("CLOSED")) return 1;
+
+        if (lClass.equals("UNKNOWN")) return -1;
+        if (rClass.equals("UNKNOWN")) return 1;
+
+        // Else (but unlikely), lexicographical ordering will do.
+        return lClass.compareTo(rClass);
+    }
+
+}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/actions/MigrateActionSet.java

@@ -0,0 +1,170 @@
+package eu.dnetlib.dhp.migration.actions;
+
+import com.google.common.base.Splitter;
+import com.google.common.collect.Lists;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.utils.ISLookupClientFactory;
+import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
+import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.tools.DistCp;
+import org.apache.hadoop.tools.DistCpOptions;
+import org.apache.hadoop.util.ToolRunner;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
+import java.util.*;
+import java.util.stream.Collectors;
+
+public class MigrateActionSet {
+
+    private static final Log log = LogFactory.getLog(MigrateActionSet.class);
+
+    private static final String SEPARATOR = "/";
+    private static final String TARGET_PATHS = "target_paths";
+    private static final String RAWSET_PREFIX = "rawset_";
+
+    private static Boolean DEFAULT_TRANSFORM_ONLY = false;
+
+    public static void main(String[] args) throws Exception {
+        final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+                IOUtils.toString(MigrateActionSet.class.getResourceAsStream(
+                        "/eu/dnetlib/dhp/migration/migrate_actionsets_parameters.json")));
+        parser.parseArgument(args);
+
+        new MigrateActionSet().run(parser);
+    }
+
+    private void run(ArgumentApplicationParser parser) throws Exception {
+
+        final String isLookupUrl = parser.get("isLookupUrl");
+        final String sourceNN = parser.get("sourceNameNode");
+        final String targetNN = parser.get("targetNameNode");
+        final String workDir  = parser.get("workingDirectory");
+        final Integer distcp_num_maps = Integer.parseInt(parser.get("distcp_num_maps"));
+
+        final String distcp_memory_mb = parser.get("distcp_memory_mb");
+        final String distcp_task_timeout = parser.get("distcp_task_timeout");
+
+        final String transform_only_s = parser.get("transform_only");
+
+        log.info("transform only param: " + transform_only_s);
+
+        final Boolean transformOnly = Boolean.valueOf(parser.get("transform_only"));
+
+        log.info("transform only: " + transformOnly);
+
+        ISLookUpService isLookUp = ISLookupClientFactory.getLookUpService(isLookupUrl);
+
+        Configuration conf = getConfiguration(distcp_task_timeout, distcp_memory_mb, distcp_num_maps);
+        FileSystem targetFS = FileSystem.get(conf);
+
+        Configuration sourceConf = getConfiguration(distcp_task_timeout, distcp_memory_mb, distcp_num_maps);
+        sourceConf.set(FileSystem.FS_DEFAULT_NAME_KEY, sourceNN);
+        FileSystem sourceFS = FileSystem.get(sourceConf);
+
+        Properties props = new Properties();
+
+        List<Path> targetPaths = new ArrayList<>();
+
+        final List<Path> sourcePaths = getSourcePaths(sourceNN, isLookUp);
+        log.info(String.format("paths to process:\n%s", sourcePaths.stream().map(p -> p.toString()).collect(Collectors.joining("\n"))));
+        for(Path source : sourcePaths) {
+
+            if (!sourceFS.exists(source)) {
+                log.warn(String.format("skipping unexisting path: %s", source));
+            } else {
+
+                LinkedList<String> pathQ = Lists.newLinkedList(Splitter.on(SEPARATOR).split(source.toUri().getPath()));
+
+                final String rawSet = pathQ.pollLast();
+                log.info(String.format("got RAWSET: %s", rawSet));
+
+                if (StringUtils.isNotBlank(rawSet) && rawSet.startsWith(RAWSET_PREFIX)) {
+
+                    final String actionSetDirectory = pathQ.pollLast();
+
+                    final Path targetPath = new Path(targetNN + workDir + SEPARATOR + actionSetDirectory + SEPARATOR + rawSet);
+
+                    log.info(String.format("using TARGET PATH: %s", targetPath));
+
+                    if (!transformOnly) {
+                        if (targetFS.exists(targetPath)) {
+                            targetFS.delete(targetPath, true);
+                        }
+                        runDistcp(distcp_num_maps, distcp_memory_mb, distcp_task_timeout, conf, source, targetPath);
+                    }
+
+                    targetPaths.add(targetPath);
+                }
+            }
+        }
+
+        props.setProperty(TARGET_PATHS, targetPaths
+                .stream()
+                .map(p -> p.toString())
+                .collect(Collectors.joining(",")));
+        File file = new File(System.getProperty("oozie.action.output.properties"));
+
+        try(OutputStream os = new FileOutputStream(file)) {
+            props.store(os, "");
+        }
+        System.out.println(file.getAbsolutePath());
+    }
+
+    private void runDistcp(Integer distcp_num_maps, String distcp_memory_mb, String distcp_task_timeout, Configuration conf, Path source, Path targetPath) throws Exception {
+
+        final DistCpOptions op = new DistCpOptions(source, targetPath);
+        op.setMaxMaps(distcp_num_maps);
+        op.preserve(DistCpOptions.FileAttribute.BLOCKSIZE);
+        op.preserve(DistCpOptions.FileAttribute.REPLICATION);
+        op.preserve(DistCpOptions.FileAttribute.CHECKSUMTYPE);
+
+        int res = ToolRunner.run(new DistCp(conf, op), new String[]{
+                "-Dmapred.task.timeout=" + distcp_task_timeout,
+                "-Dmapreduce.map.memory.mb=" + distcp_memory_mb,
+                "-pb",
+                "-m " + distcp_num_maps,
+                source.toString(),
+                targetPath.toString()});
+
+        if (res != 0) {
+            throw new RuntimeException(String.format("distcp exited with code %s", res));
+        }
+    }
+
+    private Configuration getConfiguration(String distcp_task_timeout, String distcp_memory_mb, Integer distcp_num_maps) {
+        final Configuration conf = new Configuration();
+        conf.set("dfs.webhdfs.socket.connect-timeout", distcp_task_timeout);
+        conf.set("dfs.webhdfs.socket.read-timeout", distcp_task_timeout);
+        conf.set("dfs.http.client.retry.policy.enabled", "true");
+        conf.set("mapred.task.timeout", distcp_task_timeout);
+        conf.set("mapreduce.map.memory.mb", distcp_memory_mb);
+        conf.set("mapred.map.tasks", String.valueOf(distcp_num_maps));
+        return conf;
+    }
+
+    private List<Path> getSourcePaths(String sourceNN, ISLookUpService isLookUp) throws ISLookUpException {
+        String XQUERY = "distinct-values(\n" +
+                "let $basePath := collection('/db/DRIVER/ServiceResources/ActionManagerServiceResourceType')//SERVICE_PROPERTIES/PROPERTY[@key = 'basePath']/@value/string()\n" +
+                "for $x in collection('/db/DRIVER/ActionManagerSetDSResources/ActionManagerSetDSResourceType') \n" +
+                "let $setDir := $x//SET/@directory/string()\n" +
+                "let $rawSet := $x//RAW_SETS/LATEST/@id/string()\n" +
+                "return concat($basePath, '/', $setDir, '/', $rawSet))";
+
+        log.info(String.format("running xquery:\n%s", XQUERY));
+        return isLookUp.quickSearchProfile(XQUERY)
+                .stream()
+                .map(p -> sourceNN + p)
+                .map(Path::new)
+                .collect(Collectors.toList());
+    }
+
+}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/actions/ProtoConverter.java

@@ -0,0 +1,580 @@
+package eu.dnetlib.dhp.migration.actions;
+
+import com.google.common.collect.Lists;
+import com.googlecode.protobuf.format.JsonFormat;
+import eu.dnetlib.data.proto.*;
+import eu.dnetlib.dhp.schema.oaf.*;
+import org.apache.commons.lang3.StringUtils;
+
+import java.io.Serializable;
+import java.util.List;
+import java.util.Optional;
+import java.util.stream.Collectors;
+
+public class ProtoConverter implements Serializable {
+
+    public static final String UNKNOWN = "UNKNOWN";
+    public static final String NOT_AVAILABLE = "not available";
+    public static final String DNET_ACCESS_MODES = "dnet:access_modes";
+
+    public static Oaf convert(OafProtos.Oaf oaf) {
+        try {
+            switch (oaf.getKind()) {
+                case entity:
+                    return convertEntity(oaf);
+                case relation:
+                    return convertRelation(oaf);
+                default:
+                    throw new IllegalArgumentException("invalid kind " + oaf.getKind());
+            }
+        } catch (Throwable e) {
+            throw new RuntimeException("error on getting " + JsonFormat.printToString(oaf), e);
+        }
+    }
+
+    private static Relation convertRelation(OafProtos.Oaf oaf) {
+        final OafProtos.OafRel r = oaf.getRel();
+        final Relation rel = new Relation();
+        rel.setDataInfo(mapDataInfo(oaf.getDataInfo()));
+        rel.setLastupdatetimestamp(oaf.getLastupdatetimestamp());
+        rel.setSource(r.getSource());
+        rel.setTarget(r.getTarget());
+        rel.setRelType(r.getRelType().toString());
+        rel.setSubRelType(r.getSubRelType().toString());
+        rel.setRelClass(r.getRelClass());
+        rel.setCollectedFrom(r.getCollectedfromCount() > 0 ?
+                r.getCollectedfromList().stream()
+                        .map(kv -> mapKV(kv))
+                        .collect(Collectors.toList()) : null);
+        return rel;
+    }
+
+    private static OafEntity convertEntity(OafProtos.Oaf oaf) {
+
+        switch (oaf.getEntity().getType()) {
+            case result:
+                final Result r = convertResult(oaf);
+                r.setInstance(convertInstances(oaf));
+                return r;
+            case project:
+                return convertProject(oaf);
+            case datasource:
+                return convertDataSource(oaf);
+            case organization:
+                return convertOrganization(oaf);
+            default:
+                throw new RuntimeException("received unknown type");
+        }
+    }
+
+    private static List<Instance> convertInstances(OafProtos.Oaf oaf) {
+
+        final ResultProtos.Result r = oaf.getEntity().getResult();
+        if (r.getInstanceCount() > 0) {
+            return r.getInstanceList()
+                    .stream()
+                    .map(i -> convertInstance(i))
+                    .collect(Collectors.toList());
+        }
+        return Lists.newArrayList();
+    }
+
+    private static Instance convertInstance(ResultProtos.Result.Instance ri) {
+        final Instance i = new Instance();
+        i.setAccessright(mapQualifier(ri.getAccessright()));
+        i.setCollectedfrom(mapKV(ri.getCollectedfrom()));
+        i.setDateofacceptance(mapStringField(ri.getDateofacceptance()));
+        i.setDistributionlocation(ri.getDistributionlocation());
+        i.setHostedby(mapKV(ri.getHostedby()));
+        i.setInstancetype(mapQualifier(ri.getInstancetype()));
+        i.setLicense(mapStringField(ri.getLicense()));
+        i.setUrl(ri.getUrlList());
+        i.setRefereed(mapStringField(ri.getRefereed()));
+        i.setProcessingchargeamount(mapStringField(ri.getProcessingchargeamount()));
+        i.setProcessingchargecurrency(mapStringField(ri.getProcessingchargecurrency()));
+        return i;
+    }
+
+    private static Organization convertOrganization(OafProtos.Oaf oaf) {
+        final OrganizationProtos.Organization.Metadata m = oaf.getEntity().getOrganization().getMetadata();
+        final Organization org = setOaf(new Organization(), oaf);
+        setEntity(org, oaf);
+        org.setLegalshortname(mapStringField(m.getLegalshortname()));
+        org.setLegalname(mapStringField(m.getLegalname()));
+        org.setAlternativeNames(m.getAlternativeNamesList().
+                stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        org.setWebsiteurl(mapStringField(m.getWebsiteurl()));
+        org.setLogourl(mapStringField(m.getLogourl()));
+        org.setEclegalbody(mapStringField(m.getEclegalbody()));
+        org.setEclegalperson(mapStringField(m.getEclegalperson()));
+        org.setEcnonprofit(mapStringField(m.getEcnonprofit()));
+        org.setEcresearchorganization(mapStringField(m.getEcresearchorganization()));
+        org.setEchighereducation(mapStringField(m.getEchighereducation()));
+        org.setEcinternationalorganizationeurinterests(mapStringField(m.getEcinternationalorganizationeurinterests()));
+        org.setEcinternationalorganization(mapStringField(m.getEcinternationalorganization()));
+        org.setEcenterprise(mapStringField(m.getEcenterprise()));
+        org.setEcsmevalidated(mapStringField(m.getEcsmevalidated()));
+        org.setEcnutscode(mapStringField(m.getEcnutscode()));
+        org.setCountry(mapQualifier(m.getCountry()));
+
+        return org;
+    }
+
+    private static Datasource convertDataSource(OafProtos.Oaf oaf) {
+        final DatasourceProtos.Datasource.Metadata m = oaf.getEntity().getDatasource().getMetadata();
+        final Datasource datasource = setOaf(new Datasource(), oaf);
+        setEntity(datasource, oaf);
+        datasource.setAccessinfopackage(m.getAccessinfopackageList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        datasource.setCertificates(mapStringField(m.getCertificates()));
+        datasource.setCitationguidelineurl(mapStringField(m.getCitationguidelineurl()));
+        datasource.setContactemail(mapStringField(m.getContactemail()));
+        datasource.setDatabaseaccessrestriction(mapStringField(m.getDatabaseaccessrestriction()));
+        datasource.setDatabaseaccesstype(mapStringField(m.getDatabaseaccesstype()));
+        datasource.setDataprovider(mapBoolField(m.getDataprovider()));
+        datasource.setDatasourcetype(mapQualifier(m.getDatasourcetype()));
+        datasource.setDatauploadrestriction(mapStringField(m.getDatauploadrestriction()));
+        datasource.setCitationguidelineurl(mapStringField(m.getCitationguidelineurl()));
+        datasource.setDatauploadtype(mapStringField(m.getDatauploadtype()));
+        datasource.setDateofvalidation(mapStringField(m.getDateofvalidation()));
+        datasource.setDescription(mapStringField(m.getDescription()));
+        datasource.setEnglishname(mapStringField(m.getEnglishname()));
+        datasource.setLatitude(mapStringField(m.getLatitude()));
+        datasource.setLongitude(mapStringField(m.getLongitude()));
+        datasource.setLogourl(mapStringField(m.getLogourl()));
+        datasource.setMissionstatementurl(mapStringField(m.getMissionstatementurl()));
+        datasource.setNamespaceprefix(mapStringField(m.getNamespaceprefix()));
+        datasource.setOdcontenttypes(m.getOdcontenttypesList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        datasource.setOdlanguages(m.getOdlanguagesList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        datasource.setOdnumberofitems(mapStringField(m.getOdnumberofitems()));
+        datasource.setOdnumberofitemsdate(mapStringField(m.getOdnumberofitemsdate()));
+        datasource.setOdpolicies(mapStringField(m.getOdpolicies()));
+        datasource.setOfficialname(mapStringField(m.getOfficialname()));
+        datasource.setOpenairecompatibility(mapQualifier(m.getOpenairecompatibility()));
+        datasource.setPidsystems(mapStringField(m.getPidsystems()));
+        datasource.setPolicies(m.getPoliciesList()
+                .stream()
+                .map(ProtoConverter::mapKV)
+                .collect(Collectors.toList()));
+        datasource.setQualitymanagementkind(mapStringField(m.getQualitymanagementkind()));
+        datasource.setReleaseenddate(mapStringField(m.getReleaseenddate()));
+        datasource.setServiceprovider(mapBoolField(m.getServiceprovider()));
+        datasource.setReleasestartdate(mapStringField(m.getReleasestartdate()));
+        datasource.setSubjects(m.getSubjectsList()
+                .stream()
+                .map(ProtoConverter::mapStructuredProperty)
+                .collect(Collectors.toList()));
+        datasource.setVersioning(mapBoolField(m.getVersioning()));
+        datasource.setWebsiteurl(mapStringField(m.getWebsiteurl()));
+        datasource.setJournal(mapJournal(m.getJournal()));
+
+
+        return datasource;
+    }
+
+    private static Project convertProject(OafProtos.Oaf oaf) {
+        final ProjectProtos.Project.Metadata m = oaf.getEntity().getProject().getMetadata();
+        final Project project = setOaf(new Project(), oaf);
+        setEntity(project, oaf);
+        project.setAcronym(mapStringField(m.getAcronym()));
+        project.setCallidentifier(mapStringField(m.getCallidentifier()));
+        project.setCode(mapStringField(m.getCode()));
+        project.setContactemail(mapStringField(m.getContactemail()));
+        project.setContactfax(mapStringField(m.getContactfax()));
+        project.setContactfullname(mapStringField(m.getContactfullname()));
+        project.setContactphone(mapStringField(m.getContactphone()));
+        project.setContracttype(mapQualifier(m.getContracttype()));
+        project.setCurrency(mapStringField(m.getCurrency()));
+        project.setDuration(mapStringField(m.getDuration()));
+        project.setEcarticle29_3(mapStringField(m.getEcarticle293()));
+        project.setEcsc39(mapStringField(m.getEcsc39()));
+        project.setOamandatepublications(mapStringField(m.getOamandatepublications()));
+        project.setStartdate(mapStringField(m.getStartdate()));
+        project.setEnddate(mapStringField(m.getEnddate()));
+        project.setFundedamount(m.getFundedamount());
+        project.setTotalcost(m.getTotalcost());
+        project.setKeywords(mapStringField(m.getKeywords()));
+        project.setSubjects(m.getSubjectsList().stream()
+                .map(sp -> mapStructuredProperty(sp))
+                .collect(Collectors.toList()));
+        project.setTitle(mapStringField(m.getTitle()));
+        project.setWebsiteurl(mapStringField(m.getWebsiteurl()));
+        project.setFundingtree(m.getFundingtreeList().stream()
+                .map(f -> mapStringField(f))
+                .collect(Collectors.toList()));
+        project.setJsonextrainfo(mapStringField(m.getJsonextrainfo()));
+        project.setSummary(mapStringField(m.getSummary()));
+        project.setOptional1(mapStringField(m.getOptional1()));
+        project.setOptional2(mapStringField(m.getOptional2()));
+        return project;
+    }
+
+    private static Result convertResult(OafProtos.Oaf oaf) {
+        switch (oaf.getEntity().getResult().getMetadata().getResulttype().getClassid()) {
+            case "dataset":
+                return createDataset(oaf);
+            case "publication":
+                return createPublication(oaf);
+            case "software":
+                return createSoftware(oaf);
+            case "other":
+                return createORP(oaf);
+            default:
+                Result result = setOaf(new Result(), oaf);
+                setEntity(result, oaf);
+                return setResult(result, oaf);
+        }
+    }
+
+    private static Software createSoftware(OafProtos.Oaf oaf) {
+        ResultProtos.Result.Metadata m = oaf.getEntity().getResult().getMetadata();
+        Software software = setOaf(new Software(), oaf);
+        setEntity(software, oaf);
+        setResult(software, oaf);
+
+        software.setDocumentationUrl(m.getDocumentationUrlList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        software.setLicense(m.getLicenseList()
+                .stream()
+                .map(ProtoConverter::mapStructuredProperty)
+                .collect(Collectors.toList()));
+        software.setCodeRepositoryUrl(mapStringField(m.getCodeRepositoryUrl()));
+        software.setProgrammingLanguage(mapQualifier(m.getProgrammingLanguage()));
+        return software;
+    }
+
+    private static OtherResearchProduct createORP(OafProtos.Oaf oaf) {
+        ResultProtos.Result.Metadata m = oaf.getEntity().getResult().getMetadata();
+        OtherResearchProduct otherResearchProducts = setOaf(new OtherResearchProduct(), oaf);
+        setEntity(otherResearchProducts, oaf);
+        setResult(otherResearchProducts, oaf);
+        otherResearchProducts.setContactperson(m.getContactpersonList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        otherResearchProducts.setContactgroup(m.getContactgroupList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        otherResearchProducts.setTool(m.getToolList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+
+        return otherResearchProducts;
+    }
+
+    private static Publication createPublication(OafProtos.Oaf oaf) {
+
+        ResultProtos.Result.Metadata m = oaf.getEntity().getResult().getMetadata();
+        Publication publication = setOaf(new Publication(), oaf);
+        setEntity(publication, oaf);
+        setResult(publication, oaf);
+        publication.setJournal(mapJournal(m.getJournal()));
+        return publication;
+    }
+
+    private static Dataset createDataset(OafProtos.Oaf oaf) {
+
+        ResultProtos.Result.Metadata m = oaf.getEntity().getResult().getMetadata();
+        Dataset dataset = setOaf(new Dataset(), oaf);
+        setEntity(dataset, oaf);
+        setResult(dataset, oaf);
+        dataset.setStoragedate(mapStringField(m.getStoragedate()));
+        dataset.setDevice(mapStringField(m.getDevice()));
+        dataset.setSize(mapStringField(m.getSize()));
+        dataset.setVersion(mapStringField(m.getVersion()));
+        dataset.setLastmetadataupdate(mapStringField(m.getLastmetadataupdate()));
+        dataset.setMetadataversionnumber(mapStringField(m.getMetadataversionnumber()));
+        dataset.setGeolocation(m.getGeolocationList()
+                .stream()
+                .map(ProtoConverter::mapGeolocation)
+                .collect(Collectors.toList()));
+        return dataset;
+
+    }
+
+    public static <T extends Oaf> T setOaf(T oaf, OafProtos.Oaf o) {
+        oaf.setDataInfo(mapDataInfo(o.getDataInfo()));
+        oaf.setLastupdatetimestamp(o.getLastupdatetimestamp());
+        return oaf;
+    }
+
+    public static <T extends OafEntity> T setEntity(T entity, OafProtos.Oaf oaf) {
+        //setting Entity fields
+        final OafProtos.OafEntity e = oaf.getEntity();
+        entity.setId(e.getId());
+        entity.setOriginalId(e.getOriginalIdList());
+        entity.setCollectedfrom(e.getCollectedfromList()
+                .stream()
+                .map(ProtoConverter::mapKV)
+                .collect(Collectors.toList()));
+        entity.setPid(e.getPidList().stream()
+                .map(ProtoConverter::mapStructuredProperty)
+                .collect(Collectors.toList()));
+        entity.setDateofcollection(e.getDateofcollection());
+        entity.setDateoftransformation(e.getDateoftransformation());
+        entity.setExtraInfo(e.getExtraInfoList()
+                .stream()
+                .map(ProtoConverter::mapExtraInfo)
+                .collect(Collectors.toList()));
+        return entity;
+    }
+
+    public static <T extends Result> T setResult(T entity, OafProtos.Oaf oaf) {
+        //setting Entity fields
+        final ResultProtos.Result.Metadata m = oaf.getEntity().getResult().getMetadata();
+        entity.setAuthor(m.getAuthorList()
+                .stream()
+                .map(ProtoConverter::mapAuthor)
+                .collect(Collectors.toList()));
+        entity.setResulttype(mapQualifier(m.getResulttype()));
+        entity.setLanguage(mapQualifier(m.getLanguage()));
+        entity.setCountry(m.getCountryList()
+                .stream()
+                .map(ProtoConverter::mapQualifierAsCountry)
+                .collect(Collectors.toList()));
+        entity.setSubject(m.getSubjectList()
+                .stream()
+                .map(ProtoConverter::mapStructuredProperty)
+                .collect(Collectors.toList()));
+        entity.setTitle(m.getTitleList()
+                .stream()
+                .map(ProtoConverter::mapStructuredProperty)
+                .collect(Collectors.toList()));
+        entity.setRelevantdate(m.getRelevantdateList()
+                .stream()
+                .map(ProtoConverter::mapStructuredProperty)
+                .collect(Collectors.toList()));
+        entity.setDescription(m.getDescriptionList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        entity.setDateofacceptance(mapStringField(m.getDateofacceptance()));
+        entity.setPublisher(mapStringField(m.getPublisher()));
+        entity.setEmbargoenddate(mapStringField(m.getEmbargoenddate()));
+        entity.setSource(m.getSourceList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        entity.setFulltext(m.getFulltextList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        entity.setFormat(m.getFormatList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        entity.setContributor(m.getContributorList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        entity.setResourcetype(mapQualifier(m.getResourcetype()));
+        entity.setCoverage(m.getCoverageList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        entity.setContext(m.getContextList()
+                .stream()
+                .map(ProtoConverter::mapContext)
+                .collect(Collectors.toList()));
+
+        entity.setBestaccessright(getBestAccessRights(oaf.getEntity().getResult().getInstanceList()));
+
+        return entity;
+    }
+
+    private static Qualifier getBestAccessRights(List<ResultProtos.Result.Instance> instanceList) {
+        if (instanceList != null) {
+            final Optional<FieldTypeProtos.Qualifier> min = instanceList.stream()
+                    .map(i -> i.getAccessright()).min(new LicenseComparator());
+
+            final Qualifier rights = min.isPresent() ? mapQualifier(min.get()) : new Qualifier();
+
+            if (StringUtils.isBlank(rights.getClassid())) {
+                rights.setClassid(UNKNOWN);
+            }
+            if (StringUtils.isBlank(rights.getClassname()) || UNKNOWN.equalsIgnoreCase(rights.getClassname())) {
+                rights.setClassname(NOT_AVAILABLE);
+            }
+            if (StringUtils.isBlank(rights.getSchemeid())) {
+                rights.setSchemeid(DNET_ACCESS_MODES);
+            }
+            if (StringUtils.isBlank(rights.getSchemename())) {
+                rights.setSchemename(DNET_ACCESS_MODES);
+            }
+
+            return rights;
+        }
+        return null;
+    }
+
+    private static Context mapContext(ResultProtos.Result.Context context) {
+
+        final Context entity = new Context();
+        entity.setId(context.getId());
+        entity.setDataInfo(context.getDataInfoList()
+                .stream()
+                .map(ProtoConverter::mapDataInfo)
+                .collect(Collectors.toList()));
+        return entity;
+    }
+
+
+    public static KeyValue mapKV(FieldTypeProtos.KeyValue kv) {
+        final KeyValue keyValue = new KeyValue();
+        keyValue.setKey(kv.getKey());
+        keyValue.setValue(kv.getValue());
+        keyValue.setDataInfo(mapDataInfo(kv.getDataInfo()));
+        return keyValue;
+    }
+
+    public static DataInfo mapDataInfo(FieldTypeProtos.DataInfo d) {
+        final DataInfo dataInfo = new DataInfo();
+        dataInfo.setDeletedbyinference(d.getDeletedbyinference());
+        dataInfo.setInferenceprovenance(d.getInferenceprovenance());
+        dataInfo.setInferred(d.getInferred());
+        dataInfo.setInvisible(d.getInvisible());
+        dataInfo.setProvenanceaction(mapQualifier(d.getProvenanceaction()));
+        dataInfo.setTrust(d.getTrust());
+        return dataInfo;
+    }
+
+    public static Qualifier mapQualifier(FieldTypeProtos.Qualifier q) {
+        final Qualifier qualifier = new Qualifier();
+        qualifier.setClassid(q.getClassid());
+        qualifier.setClassname(q.getClassname());
+        qualifier.setSchemeid(q.getSchemeid());
+        qualifier.setSchemename(q.getSchemename());
+        return qualifier;
+    }
+
+    public static Country mapQualifierAsCountry(FieldTypeProtos.Qualifier q) {
+        final Country c = new Country();
+        c.setClassid(q.getClassid());
+        c.setClassname(q.getClassname());
+        c.setSchemeid(q.getSchemeid());
+        c.setSchemename(q.getSchemename());
+        c.setDataInfo(mapDataInfo(q.getDataInfo()));
+        return c;
+    }
+
+    public static StructuredProperty mapStructuredProperty(FieldTypeProtos.StructuredProperty sp) {
+        final StructuredProperty structuredProperty = new StructuredProperty();
+        structuredProperty.setValue(sp.getValue());
+        structuredProperty.setQualifier(mapQualifier(sp.getQualifier()));
+        structuredProperty.setDataInfo(mapDataInfo(sp.getDataInfo()));
+        return structuredProperty;
+    }
+
+    public static ExtraInfo mapExtraInfo(FieldTypeProtos.ExtraInfo extraInfo) {
+        final ExtraInfo entity = new ExtraInfo();
+        entity.setName(extraInfo.getName());
+        entity.setTypology(extraInfo.getTypology());
+        entity.setProvenance(extraInfo.getProvenance());
+        entity.setTrust(extraInfo.getTrust());
+        entity.setValue(extraInfo.getValue());
+        return entity;
+    }
+
+    public static OAIProvenance mapOAIProvenance(FieldTypeProtos.OAIProvenance oaiProvenance) {
+        final OAIProvenance entity = new OAIProvenance();
+        entity.setOriginDescription(mapOriginalDescription(oaiProvenance.getOriginDescription()));
+        return entity;
+    }
+
+    public static OriginDescription mapOriginalDescription(FieldTypeProtos.OAIProvenance.OriginDescription originDescription) {
+        final OriginDescription originDescriptionResult = new OriginDescription();
+        originDescriptionResult.setHarvestDate(originDescription.getHarvestDate());
+        originDescriptionResult.setAltered(originDescription.getAltered());
+        originDescriptionResult.setBaseURL(originDescription.getBaseURL());
+        originDescriptionResult.setIdentifier(originDescription.getIdentifier());
+        originDescriptionResult.setDatestamp(originDescription.getDatestamp());
+        originDescriptionResult.setMetadataNamespace(originDescription.getMetadataNamespace());
+        return originDescriptionResult;
+    }
+
+    public static Field<String> mapStringField(FieldTypeProtos.StringField s) {
+        final Field<String> stringField = new Field<>();
+        stringField.setValue(s.getValue());
+        stringField.setDataInfo(mapDataInfo(s.getDataInfo()));
+        return stringField;
+    }
+
+    public static Field<Boolean> mapBoolField(FieldTypeProtos.BoolField b) {
+        final Field<Boolean> booleanField = new Field<>();
+        booleanField.setValue(b.getValue());
+        booleanField.setDataInfo(mapDataInfo(b.getDataInfo()));
+        return booleanField;
+    }
+
+    public static Field<Integer> mapIntField(FieldTypeProtos.IntField b) {
+        final Field<Integer> entity = new Field<>();
+        entity.setValue(b.getValue());
+        entity.setDataInfo(mapDataInfo(b.getDataInfo()));
+        return entity;
+    }
+
+    public static Journal mapJournal(FieldTypeProtos.Journal j) {
+        final Journal journal = new Journal();
+        journal.setConferencedate(j.getConferencedate());
+        journal.setConferenceplace(j.getConferenceplace());
+        journal.setEdition(j.getEdition());
+        journal.setEp(j.getEp());
+        journal.setIss(j.getIss());
+        journal.setIssnLinking(j.getIssnLinking());
+        journal.setIssnOnline(j.getIssnOnline());
+        journal.setIssnPrinted(j.getIssnPrinted());
+        journal.setName(j.getName());
+        journal.setSp(j.getSp());
+        journal.setVol(j.getVol());
+        journal.setDataInfo(mapDataInfo(j.getDataInfo()));
+        return journal;
+    }
+
+    public static Author mapAuthor(FieldTypeProtos.Author author) {
+        final Author entity = new Author();
+        entity.setFullname(author.getFullname());
+        entity.setName(author.getName());
+        entity.setSurname(author.getSurname());
+        entity.setRank(author.getRank());
+        entity.setPid(author.getPidList()
+                .stream()
+                .map(kv -> {
+                    final StructuredProperty sp = new StructuredProperty();
+                    sp.setValue(kv.getValue());
+                    final Qualifier q = new Qualifier();
+                    q.setClassid(kv.getKey());
+                    q.setClassname(kv.getKey());
+                    sp.setQualifier(q);
+                    return sp;
+                })
+                .collect(Collectors.toList()));
+        entity.setAffiliation(author.getAffiliationList()
+                .stream()
+                .map(ProtoConverter::mapStringField)
+                .collect(Collectors.toList()));
+        return entity;
+
+    }
+
+    public static GeoLocation mapGeolocation(ResultProtos.Result.GeoLocation geoLocation) {
+        final GeoLocation entity = new GeoLocation();
+        entity.setPoint(geoLocation.getPoint());
+        entity.setBox(geoLocation.getBox());
+        entity.setPlace(geoLocation.getPlace());
+        return entity;
+    }
+}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/actions/TransformActions.java

@@ -0,0 +1,194 @@
+package eu.dnetlib.dhp.migration.actions;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.base.Splitter;
+import com.google.common.collect.Lists;
+import com.google.protobuf.InvalidProtocolBufferException;
+import eu.dnetlib.dhp.schema.action.AtomicAction;
+import eu.dnetlib.data.proto.OafProtos;
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.schema.oaf.*;
+import eu.dnetlib.dhp.utils.ISLookupClientFactory;
+import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
+import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.compress.GzipCodec;
+import org.apache.hadoop.mapred.SequenceFileOutputFormat;
+import org.apache.spark.SparkConf;
+import org.apache.spark.api.java.JavaSparkContext;
+import org.apache.spark.sql.SparkSession;
+import scala.Tuple2;
+
+import java.io.IOException;
+import java.io.Serializable;
+import java.util.LinkedList;
+
+public class TransformActions implements Serializable {
+
+    private static final Log log = LogFactory.getLog(TransformActions.class);
+    private static final String SEPARATOR = "/";
+
+    public static void main(String[] args) throws Exception {
+        final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+                IOUtils.toString(MigrateActionSet.class.getResourceAsStream(
+                        "/eu/dnetlib/dhp/migration/transform_actionsets_parameters.json")));
+        parser.parseArgument(args);
+
+        new TransformActions().run(parser);
+    }
+
+    private void run(ArgumentApplicationParser parser) throws ISLookUpException, IOException {
+
+        final String isLookupUrl = parser.get("isLookupUrl");
+        log.info("isLookupUrl: " + isLookupUrl);
+
+        final String inputPaths  = parser.get("inputPaths");
+
+        if (StringUtils.isBlank(inputPaths)) {
+            throw new RuntimeException("empty inputPaths");
+        }
+        log.info("inputPaths: " + inputPaths);
+
+        final String targetBaseDir = getTargetBaseDir(isLookupUrl);
+
+        try(SparkSession spark = getSparkSession(parser)) {
+            final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext());
+            final FileSystem fs = FileSystem.get(spark.sparkContext().hadoopConfiguration());
+
+            for(String sourcePath : Lists.newArrayList(Splitter.on(",").split(inputPaths))) {
+
+                LinkedList<String> pathQ = Lists.newLinkedList(Splitter.on(SEPARATOR).split(sourcePath));
+
+                final String rawset = pathQ.pollLast();
+                final String actionSetDirectory = pathQ.pollLast();
+
+                final Path targetDirectory = new Path(targetBaseDir + SEPARATOR + actionSetDirectory + SEPARATOR + rawset);
+
+                if (fs.exists(targetDirectory)) {
+                    log.info(String.format("found target directory '%s", targetDirectory));
+                    fs.delete(targetDirectory, true);
+                    log.info(String.format("deleted target directory '%s", targetDirectory));
+                }
+
+                log.info(String.format("transforming actions from '%s' to '%s'", sourcePath, targetDirectory));
+
+                sc.sequenceFile(sourcePath, Text.class, Text.class)
+                    .mapToPair(a -> new Tuple2<>(a._1(), eu.dnetlib.actionmanager.actions.AtomicAction.fromJSON(a._2().toString())))
+                    .mapToPair(a -> new Tuple2<>(a._1(), transformAction(a._1().toString(), a._2())))
+                    .filter(t -> StringUtils.isNotBlank(t._2().toString()))
+                    .saveAsHadoopFile(targetDirectory.toString(), Text.class, Text.class, SequenceFileOutputFormat.class, GzipCodec.class);
+            }
+        }
+    }
+
+    private Text transformAction(String atomicaActionId, eu.dnetlib.actionmanager.actions.AtomicAction  aa) throws InvalidProtocolBufferException, JsonProcessingException {
+        final Text out = new Text();
+        final ObjectMapper mapper = new ObjectMapper();
+        if (aa.getTargetValue() != null && aa.getTargetValue().length > 0) {
+            out.set(mapper.writeValueAsString(doTransform(aa)));
+        } else {
+            if (atomicaActionId.contains("dedupSimilarity")) {
+                out.set(mapper.writeValueAsString(getRelationAtomicAction(atomicaActionId)));
+            }
+        }
+
+        return out;
+    }
+
+    private AtomicAction<Relation> getRelationAtomicAction(String atomicaActionId) {
+        final String[] splitId = atomicaActionId.split("@");
+
+        String source = splitId[0];
+        String target = splitId[2];
+
+        String[] relSemantic = splitId[1].split("_");
+
+        Relation rel = new Relation();
+        rel.setSource(source);
+        rel.setTarget(target);
+        rel.setRelType(relSemantic[0]);
+        rel.setSubRelType(relSemantic[1]);
+        rel.setRelClass(relSemantic[2]);
+
+        DataInfo d = new DataInfo();
+        d.setDeletedbyinference(false);
+        d.setInferenceprovenance("deduplication");
+        d.setInferred(true);
+        d.setInvisible(false);
+        Qualifier provenanceaction = new Qualifier();
+
+        provenanceaction.setClassid("deduplication");
+        provenanceaction.setClassname("deduplication");
+        provenanceaction.setSchemeid("dnet:provenanceActions");
+        provenanceaction.setSchemename("dnet:provenanceActions");
+
+        d.setProvenanceaction(provenanceaction);
+
+        rel.setDataInfo(d);
+
+        return new AtomicAction<>(Relation.class, rel);
+    }
+
+    private AtomicAction doTransform(eu.dnetlib.actionmanager.actions.AtomicAction aa) throws InvalidProtocolBufferException {
+        final OafProtos.Oaf proto_oaf = OafProtos.Oaf.parseFrom(aa.getTargetValue());
+        final Oaf oaf = ProtoConverter.convert(proto_oaf);
+        switch (proto_oaf.getKind()) {
+            case entity:
+                switch (proto_oaf.getEntity().getType()) {
+                    case datasource:
+                        return new AtomicAction<>(Datasource.class, (Datasource) oaf);
+                    case organization:
+                        return new AtomicAction<>(Organization.class, (Organization) oaf);
+                    case project:
+                        return new AtomicAction<>(Project.class, (Project) oaf);
+                    case result:
+                        final String resulttypeid = proto_oaf.getEntity().getResult().getMetadata().getResulttype().getClassid();
+                        switch (resulttypeid) {
+                            case "publication":
+                                return new AtomicAction<>(Publication.class, (Publication) oaf);
+                            case "software":
+                                return new AtomicAction<>(Software.class, (Software) oaf);
+                            case "other":
+                                return new AtomicAction<>(OtherResearchProduct.class, (OtherResearchProduct) oaf);
+                            case "dataset":
+                                return new AtomicAction<>(Dataset.class, (Dataset) oaf);
+                            default:
+                                // can be an update, where the resulttype is not specified
+                                return new AtomicAction<>(Result.class, (Result) oaf);
+                        }
+                    default:
+                        throw new IllegalArgumentException("invalid entity type: " + proto_oaf.getEntity().getType());
+                }
+            case relation:
+                return new AtomicAction<>(Relation.class, (Relation) oaf);
+            default:
+                throw new IllegalArgumentException("invalid kind: " + proto_oaf.getKind());
+        }
+    }
+
+    private String getTargetBaseDir(String isLookupUrl) throws ISLookUpException {
+        ISLookUpService isLookUp = ISLookupClientFactory.getLookUpService(isLookupUrl);
+        String XQUERY = "collection('/db/DRIVER/ServiceResources/ActionManagerServiceResourceType')//SERVICE_PROPERTIES/PROPERTY[@key = 'basePath']/@value/string()";
+        return isLookUp.getResourceProfileByQuery(XQUERY);
+    }
+
+    private static SparkSession getSparkSession(ArgumentApplicationParser parser) {
+        SparkConf conf = new SparkConf();
+
+        return SparkSession
+                .builder()
+                .appName(TransformActions.class.getSimpleName())
+                .master(parser.get("master"))
+                .config(conf)
+                .enableHiveSupport()
+                .getOrCreate();
+    }
+}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/step1/MigrateDbEntitiesApplication.java

@@ -1,4 +1,14 @@
-package eu.dnetlib.dhp.migration;
+package eu.dnetlib.dhp.migration.step1;
+
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.asString;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.createOpenaireId;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.dataInfo;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.field;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.journal;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.listFields;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.listKeyValues;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.qualifier;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.structuredProperty;
 
 import java.io.Closeable;
 import java.io.IOException;
@@ -17,6 +27,8 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.migration.utils.AbstractMigrationApplication;
+import eu.dnetlib.dhp.migration.utils.DbClient;
 import eu.dnetlib.dhp.schema.oaf.Context;
 import eu.dnetlib.dhp.schema.oaf.DataInfo;
 import eu.dnetlib.dhp.schema.oaf.Dataset;
@@ -34,7 +46,7 @@ import eu.dnetlib.dhp.schema.oaf.Result;
 import eu.dnetlib.dhp.schema.oaf.Software;
 import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
 
-public class MigrateDbEntitiesApplication extends AbstractMigrationExecutor implements Closeable {
+public class MigrateDbEntitiesApplication extends AbstractMigrationApplication implements Closeable {
 
 	private static final Qualifier ENTITYREGISTRY_PROVENANCE_ACTION =
 			qualifier("sysimport:crosswalk:entityregistry", "sysimport:crosswalk:entityregistry", "dnet:provenance_actions", "dnet:provenance_actions");
@@ -56,12 +68,10 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationExecutor impl
 		final String dbPassword = parser.get("postgresPassword");
 
 		final String hdfsPath = parser.get("hdfsPath");
-		final String hdfsNameNode = parser.get("namenode");
-		final String hdfsUser = parser.get("hdfsUser");
 
 		final boolean processClaims = parser.get("action") != null && parser.get("action").equalsIgnoreCase("claims");
 
-		try (final MigrateDbEntitiesApplication smdbe = new MigrateDbEntitiesApplication(hdfsPath, hdfsNameNode, hdfsUser, dbUrl, dbUser, dbPassword)) {
+		try (final MigrateDbEntitiesApplication smdbe = new MigrateDbEntitiesApplication(hdfsPath, dbUrl, dbUser, dbPassword)) {
 			if (processClaims) {
 				log.info("Processing claims...");
 				smdbe.execute("queryClaims.sql", smdbe::processClaims);
@@ -85,9 +95,9 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationExecutor impl
 		}
 	}
 
-	public MigrateDbEntitiesApplication(final String hdfsPath, final String hdfsNameNode, final String hdfsUser, final String dbUrl, final String dbUser,
+	public MigrateDbEntitiesApplication(final String hdfsPath, final String dbUrl, final String dbUser,
 			final String dbPassword) throws Exception {
-		super(hdfsPath, hdfsNameNode, hdfsUser);
+		super(hdfsPath);
 		this.dbClient = new DbClient(dbUrl, dbUser, dbPassword);
 		this.lastUpdateTimestamp = new Date().getTime();
 	}
@@ -105,7 +115,7 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationExecutor impl
 
 			final Datasource ds = new Datasource();
 
-			ds.setId(createOpenaireId(10, rs.getString("datasourceid")));
+			ds.setId(createOpenaireId(10, rs.getString("datasourceid"), true));
 			ds.setOriginalId(Arrays.asList(rs.getString("datasourceid")));
 			ds.setCollectedfrom(listKeyValues(rs.getString("collectedfromid"), rs.getString("collectedfromname")));
 			ds.setPid(new ArrayList<>());
@@ -212,7 +222,7 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationExecutor impl
 
 			final Project p = new Project();
 
-			p.setId(createOpenaireId(40, rs.getString("projectid")));
+			p.setId(createOpenaireId(40, rs.getString("projectid"), true));
 			p.setOriginalId(Arrays.asList(rs.getString("projectid")));
 			p.setCollectedfrom(listKeyValues(rs.getString("collectedfromid"), rs.getString("collectedfromname")));
 			p.setPid(new ArrayList<>());
@@ -302,7 +312,7 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationExecutor impl
 
 			final Organization o = new Organization();
 
-			o.setId(createOpenaireId(20, rs.getString("organizationid")));
+			o.setId(createOpenaireId(20, rs.getString("organizationid"), true));
 			o.setOriginalId(Arrays.asList(rs.getString("organizationid")));
 			o.setCollectedfrom(listKeyValues(rs.getString("collectedfromid"), rs.getString("collectedfromname")));
 			o.setPid(new ArrayList<>());
@@ -366,8 +376,8 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationExecutor impl
 
 		try {
 			final DataInfo info = prepareDataInfo(rs);
-			final String orgId = createOpenaireId(20, rs.getString("organization"));
+			final String orgId = createOpenaireId(20, rs.getString("organization"), true);
-			final String dsId = createOpenaireId(10, rs.getString("datasource"));
+			final String dsId = createOpenaireId(10, rs.getString("datasource"), true);
 			final List<KeyValue> collectedFrom = listKeyValues(rs.getString("collectedfromid"), rs.getString("collectedfromname"));
 
 			final Relation r1 = new Relation();
@@ -415,8 +425,8 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationExecutor impl
 
 		try {
 			final DataInfo info = prepareDataInfo(rs);
-			final String orgId = createOpenaireId(20, rs.getString("resporganization"));
+			final String orgId = createOpenaireId(20, rs.getString("resporganization"), true);
-			final String projectId = createOpenaireId(40, rs.getString("project"));
+			final String projectId = createOpenaireId(40, rs.getString("project"), true);
 			final List<KeyValue> collectedFrom = listKeyValues(rs.getString("collectedfromid"), rs.getString("collectedfromname"));
 
 			final Relation r1 = new Relation();
@@ -481,14 +491,14 @@ public class MigrateDbEntitiesApplication extends AbstractMigrationExecutor impl
 				} else {
 					r = new Publication();
 				}
-				r.setId(createOpenaireId(50, rs.getString("target_id")));
+				r.setId(createOpenaireId(50, rs.getString("target_id"), false));
 				r.setLastupdatetimestamp(lastUpdateTimestamp);
 				r.setContext(prepareContext(rs.getString("source_id"), info));
 				r.setDataInfo(info);
 				emitOaf(r);
 			} else {
-				final String sourceId = createOpenaireId(rs.getString("source_type"), rs.getString("source_id"));
+				final String sourceId = createOpenaireId(rs.getString("source_type"), rs.getString("source_id"), false);
-				final String targetId = createOpenaireId(rs.getString("target_type"), rs.getString("target_id"));
+				final String targetId = createOpenaireId(rs.getString("target_type"), rs.getString("target_id"), false);
 
 				final Relation r1 = new Relation();
 				final Relation r2 = new Relation();

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/step1/MigrateMongoMdstoresApplication.java

@@ -0,0 +1,67 @@
+package eu.dnetlib.dhp.migration.step1;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.Map;
+import java.util.Map.Entry;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.migration.utils.AbstractMigrationApplication;
+import eu.dnetlib.dhp.migration.utils.MdstoreClient;
+
+public class MigrateMongoMdstoresApplication extends AbstractMigrationApplication implements Closeable {
+
+	private static final Log log = LogFactory.getLog(MigrateMongoMdstoresApplication.class);
+
+	private final MdstoreClient mdstoreClient;
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+				IOUtils.toString(MigrateMongoMdstoresApplication.class.getResourceAsStream("/eu/dnetlib/dhp/migration/migrate_mongo_mstores_parameters.json")));
+		parser.parseArgument(args);
+
+		final String mongoBaseUrl = parser.get("mongoBaseUrl");
+		final String mongoDb = parser.get("mongoDb");
+
+		final String mdFormat = parser.get("mdFormat");
+		final String mdLayout = parser.get("mdLayout");
+		final String mdInterpretation = parser.get("mdInterpretation");
+
+		final String hdfsPath = parser.get("hdfsPath");
+
+		try (MigrateMongoMdstoresApplication app = new MigrateMongoMdstoresApplication(hdfsPath, mongoBaseUrl, mongoDb)) {
+			app.execute(mdFormat, mdLayout, mdInterpretation);
+		}
+
+	}
+
+	public MigrateMongoMdstoresApplication(final String hdfsPath, final String mongoBaseUrl, final String mongoDb) throws Exception {
+		super(hdfsPath);
+		this.mdstoreClient = new MdstoreClient(mongoBaseUrl, mongoDb);
+	}
+
+	public void execute(final String format, final String layout, final String interpretation) {
+		final Map<String, String> colls = mdstoreClient.validCollections(format, layout, interpretation);
+		log.info("Found " + colls.size() + " mdstores");
+
+		for (final Entry<String, String> entry : colls.entrySet()) {
+			log.info("Processing mdstore " + entry.getKey() + " (collection: " + entry.getValue() + ")");
+			final String currentColl = entry.getValue();
+
+			for (final String xml : mdstoreClient.listRecords(currentColl)) {
+				emit(xml, "native_" + format);
+			}
+		}
+	}
+
+	@Override
+	public void close() throws IOException {
+		super.close();
+		mdstoreClient.close();
+	}
+
+}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/step2/AbstractMdRecordToOafMapper.java

@@ -1,20 +1,24 @@
-package eu.dnetlib.dhp.migration;
+package eu.dnetlib.dhp.migration.step2;
+
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.createOpenaireId;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.dataInfo;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.field;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.journal;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.keyValue;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.listFields;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.oaiIProvenance;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.qualifier;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.structuredProperty;
 
-import java.io.IOException;
-import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Map.Entry;
 
 import org.apache.commons.lang3.StringUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.dom4j.Document;
-import org.dom4j.DocumentException;
 import org.dom4j.DocumentFactory;
 import org.dom4j.DocumentHelper;
 import org.dom4j.Node;
@@ -37,11 +41,9 @@ import eu.dnetlib.dhp.schema.oaf.Result;
 import eu.dnetlib.dhp.schema.oaf.Software;
 import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
 
-public abstract class AbstractMongoExecutor extends AbstractMigrationExecutor {
+public abstract class AbstractMdRecordToOafMapper {
 
-	protected final Map<String, String> code2name = new HashMap<>();
+	protected final Map<String, String> code2name;
-
-	protected final MdstoreClient mdstoreClient;
 
 	protected static final Qualifier MAIN_TITLE_QUALIFIER = qualifier("main title", "main title", "dnet:dataCite_title", "dnet:dataCite_title");
 
@@ -51,79 +53,36 @@ public abstract class AbstractMongoExecutor extends AbstractMigrationExecutor {
 	protected static final Qualifier SOFTWARE_RESULTTYPE_QUALIFIER = qualifier("software", "software", "dnet:result_typologies", "dnet:result_typologies");
 	protected static final Qualifier OTHER_RESULTTYPE_QUALIFIER = qualifier("other", "other", "dnet:result_typologies", "dnet:result_typologies");
 
-	private static final Log log = LogFactory.getLog(AbstractMongoExecutor.class);
+	protected AbstractMdRecordToOafMapper(final Map<String, String> code2name) {
-
+		this.code2name = code2name;
-	public AbstractMongoExecutor(final String hdfsPath, final String hdfsNameNode, final String hdfsUser, final String mongoBaseUrl,
-			final String mongoDb, final String dbUrl, final String dbUser,
-			final String dbPassword) throws Exception {
-
-		super(hdfsPath, hdfsNameNode, hdfsUser);
-
-		this.mdstoreClient = new MdstoreClient(mongoBaseUrl, mongoDb);
-		loadClassNames(dbUrl, dbUser, dbPassword);
-
-		final Map<String, String> nsContext = new HashMap<>();
-
-		registerNamespaces(nsContext);
-
-		DocumentFactory.getInstance().setXPathNamespaceURIs(nsContext);
 	}
 
-	private void loadClassNames(final String dbUrl, final String dbUser, final String dbPassword) throws IOException {
+	public List<Oaf> processMdRecord(final String xml) {
+		try {
+			final Map<String, String> nsContext = new HashMap<>();
+			nsContext.put("dr", "http://www.driver-repository.eu/namespace/dr");
+			nsContext.put("dri", "http://www.driver-repository.eu/namespace/dri");
+			nsContext.put("oaf", "http://namespace.openaire.eu/oaf");
+			nsContext.put("oai", "http://www.openarchives.org/OAI/2.0/");
+			nsContext.put("prov", "http://www.openarchives.org/OAI/2.0/provenance");
+			nsContext.put("dc", "http://purl.org/dc/elements/1.1/");
+			nsContext.put("datacite", "http://datacite.org/schema/kernel-3");
+			DocumentFactory.getInstance().setXPathNamespaceURIs(nsContext);
 
-		log.info("Loading vocabulary terms from db...");
+			final Document doc = DocumentHelper.parseText(xml);
 
-		try (DbClient dbClient = new DbClient(dbUrl, dbUser, dbPassword)) {
+			final String type = doc.valueOf("//dr:CobjCategory/@type");
-			code2name.clear();
+			final KeyValue collectedFrom = keyValue(doc.valueOf("//oaf:collectedFrom/@id"), doc.valueOf("//oaf:collectedFrom/@name"));
-			dbClient.processResults("select code, name from class", rs -> {
+			final KeyValue hostedBy = StringUtils.isBlank(doc.valueOf("//oaf:hostedBy/@id")) ? collectedFrom
-				try {
+					: keyValue(doc.valueOf("//oaf:hostedBy/@id"), doc.valueOf("//oaf:hostedBy/@name"));
-					code2name.put(rs.getString("code"), rs.getString("name"));
+
-				} catch (final SQLException e) {
+			final DataInfo info = prepareDataInfo(doc);
-					e.printStackTrace();
+			final long lastUpdateTimestamp = new Date().getTime();
-				}
+
-			});
+			return createOafs(doc, type, collectedFrom, hostedBy, info, lastUpdateTimestamp);
+		} catch (final Exception e) {
+			throw new RuntimeException(e);
 		}
-
-		log.info("Found " + code2name.size() + " terms.");
-
-	}
-
-	public void processMdRecords(final String mdFormat, final String mdLayout, final String mdInterpretation) throws DocumentException {
-
-		log.info(String.format("Searching mdstores (format: %s, layout: %s, interpretation: %s)", mdFormat, mdLayout, mdInterpretation));
-
-		final Map<String, String> colls = mdstoreClient.validCollections(mdFormat, mdLayout, mdInterpretation);
-		log.info("Found " + colls.size() + " mdstores");
-
-		for (final Entry<String, String> entry : colls.entrySet()) {
-			log.info("Processing mdstore " + entry.getKey() + " (collection: " + entry.getValue() + ")");
-			final String currentColl = entry.getValue();
-
-			for (final String xml : mdstoreClient.listRecords(currentColl)) {
-				final Document doc = DocumentHelper.parseText(xml);
-
-				final String type = doc.valueOf("//dr:CobjCategory/@type");
-				final KeyValue collectedFrom = keyValue(doc.valueOf("//oaf:collectedFrom/@id"), doc.valueOf("//oaf:collectedFrom/@name"));
-				final KeyValue hostedBy = StringUtils.isBlank(doc.valueOf("//oaf:hostedBy/@id")) ? collectedFrom
-						: keyValue(doc.valueOf("//oaf:hostedBy/@id"), doc.valueOf("//oaf:hostedBy/@name"));
-
-				final DataInfo info = prepareDataInfo(doc);
-				final long lastUpdateTimestamp = new Date().getTime();
-
-				for (final Oaf oaf : createOafs(doc, type, collectedFrom, hostedBy, info, lastUpdateTimestamp)) {
-					emitOaf(oaf);
-				}
-			}
-		}
-		log.info("All Done.");
-	}
-
-	protected void registerNamespaces(final Map<String, String> nsContext) {
-		nsContext.put("dr", "http://www.driver-repository.eu/namespace/dr");
-		nsContext.put("dri", "http://www.driver-repository.eu/namespace/dri");
-		nsContext.put("oaf", "http://namespace.openaire.eu/oaf");
-		nsContext.put("oai", "http://www.openarchives.org/OAI/2.0/");
-		nsContext.put("prov", "http://www.openarchives.org/OAI/2.0/provenance");
 	}
 
 	protected List<Oaf> createOafs(final Document doc,
@@ -194,10 +153,10 @@ public abstract class AbstractMongoExecutor extends AbstractMigrationExecutor {
 
 		final List<Oaf> res = new ArrayList<>();
 
-		final String docId = createOpenaireId(50, doc.valueOf("//dri:objIdentifier"));
+		final String docId = createOpenaireId(50, doc.valueOf("//dri:objIdentifier"), false);
 
 		for (final Object o : doc.selectNodes("//oaf:projectid")) {
-			final String projectId = createOpenaireId(40, ((Node) o).getText());
+			final String projectId = createOpenaireId(40, ((Node) o).getText(), true);
 
 			final Relation r1 = new Relation();
 			r1.setRelType("resultProject");
@@ -238,7 +197,7 @@ public abstract class AbstractMongoExecutor extends AbstractMigrationExecutor {
 			final long lastUpdateTimestamp) {
 		r.setDataInfo(info);
 		r.setLastupdatetimestamp(lastUpdateTimestamp);
-		r.setId(createOpenaireId(50, doc.valueOf("//dri:objIdentifier")));
+		r.setId(createOpenaireId(50, doc.valueOf("//dri:objIdentifier"), false));
 		r.setOriginalId(Arrays.asList(doc.valueOf("//dri:objIdentifier")));
 		r.setCollectedfrom(Arrays.asList(collectedFrom));
 		r.setPid(prepareListStructProps(doc, "//oaf:identifier", "@identifierType", "dnet:pid_types", "dnet:pid_types", info));
@@ -432,10 +391,4 @@ public abstract class AbstractMongoExecutor extends AbstractMigrationExecutor {
 		return res;
 	}
 
-	@Override
-	public void close() throws IOException {
-		super.close();
-		mdstoreClient.close();
-	}
-
 }

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/step2/GenerateEntitiesApplication.java

@@ -0,0 +1,173 @@
+package eu.dnetlib.dhp.migration.step2;
+
+import java.io.IOException;
+import java.sql.SQLException;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.fs.FileSystem;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.Text;
+import org.apache.hadoop.io.compress.GzipCodec;
+import org.apache.spark.api.java.JavaRDD;
+import org.apache.spark.api.java.JavaSparkContext;
+import org.apache.spark.sql.SparkSession;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.migration.step1.MigrateMongoMdstoresApplication;
+import eu.dnetlib.dhp.migration.utils.DbClient;
+import eu.dnetlib.dhp.schema.oaf.Dataset;
+import eu.dnetlib.dhp.schema.oaf.Datasource;
+import eu.dnetlib.dhp.schema.oaf.Oaf;
+import eu.dnetlib.dhp.schema.oaf.Organization;
+import eu.dnetlib.dhp.schema.oaf.OtherResearchProduct;
+import eu.dnetlib.dhp.schema.oaf.Project;
+import eu.dnetlib.dhp.schema.oaf.Publication;
+import eu.dnetlib.dhp.schema.oaf.Relation;
+import eu.dnetlib.dhp.schema.oaf.Software;
+import scala.Tuple2;
+
+public class GenerateEntitiesApplication {
+
+	private static final Log log = LogFactory.getLog(GenerateEntitiesApplication.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+				IOUtils.toString(MigrateMongoMdstoresApplication.class
+						.getResourceAsStream("/eu/dnetlib/dhp/migration/generate_entities_parameters.json")));
+
+		parser.parseArgument(args);
+
+		final String sourcePaths = parser.get("sourcePaths");
+		final String targetPath = parser.get("targetPath");
+
+		final String dbUrl = parser.get("postgresUrl");
+		final String dbUser = parser.get("postgresUser");
+		final String dbPassword = parser.get("postgresPassword");
+
+		final Map<String, String> code2name = loadClassNames(dbUrl, dbUser, dbPassword);
+
+		try (final SparkSession spark = newSparkSession(parser); final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext())) {
+			final List<String> existingSourcePaths = Arrays.stream(sourcePaths.split(",")).filter(p -> exists(sc, p)).collect(Collectors.toList());
+			generateEntities(sc, code2name, existingSourcePaths, targetPath);
+		}
+	}
+
+	private static SparkSession newSparkSession(final ArgumentApplicationParser parser) {
+		return SparkSession
+				.builder()
+				.appName(GenerateEntitiesApplication.class.getSimpleName())
+				.master(parser.get("master"))
+				.getOrCreate();
+	}
+
+	private static void generateEntities(final JavaSparkContext sc,
+			final Map<String, String> code2name,
+			final List<String> sourcePaths,
+			final String targetPath) {
+
+		log.info("Generate entities from files:");
+		sourcePaths.forEach(log::info);
+
+		JavaRDD<String> inputRdd = sc.emptyRDD();
+
+		for (final String sp : sourcePaths) {
+			inputRdd = inputRdd.union(sc.sequenceFile(sp, Text.class, Text.class)
+					.map(k -> new Tuple2<>(k._1().toString(), k._2().toString()))
+					.map(k -> convertToListOaf(k._1(), k._2(), code2name))
+					.flatMap(list -> list.iterator())
+					.map(oaf -> oaf.getClass().getSimpleName().toLowerCase() + "|" + convertToJson(oaf)));
+		}
+
+		inputRdd.saveAsTextFile(targetPath, GzipCodec.class);
+
+	}
+
+	private static List<Oaf> convertToListOaf(final String id, final String s, final Map<String, String> code2name) {
+		final String type = StringUtils.substringAfter(id, ":");
+
+		switch (type.toLowerCase()) {
+		case "native_oaf":
+			return new OafToOafMapper(code2name).processMdRecord(s);
+		case "native_odf":
+			return new OdfToOafMapper(code2name).processMdRecord(s);
+		case "datasource":
+			return Arrays.asList(convertFromJson(s, Datasource.class));
+		case "organization":
+			return Arrays.asList(convertFromJson(s, Organization.class));
+		case "project":
+			return Arrays.asList(convertFromJson(s, Project.class));
+		case "relation":
+			return Arrays.asList(convertFromJson(s, Relation.class));
+		case "publication":
+			return Arrays.asList(convertFromJson(s, Publication.class));
+		case "dataset":
+			return Arrays.asList(convertFromJson(s, Dataset.class));
+		case "software":
+			return Arrays.asList(convertFromJson(s, Software.class));
+		case "otherresearchproducts":
+		default:
+			return Arrays.asList(convertFromJson(s, OtherResearchProduct.class));
+		}
+
+	}
+
+	private static Map<String, String> loadClassNames(final String dbUrl, final String dbUser, final String dbPassword) throws IOException {
+
+		log.info("Loading vocabulary terms from db...");
+
+		final Map<String, String> map = new HashMap<>();
+
+		try (DbClient dbClient = new DbClient(dbUrl, dbUser, dbPassword)) {
+			dbClient.processResults("select code, name from class", rs -> {
+				try {
+					map.put(rs.getString("code"), rs.getString("name"));
+				} catch (final SQLException e) {
+					e.printStackTrace();
+				}
+			});
+		}
+
+		log.info("Found " + map.size() + " terms.");
+
+		return map;
+
+	}
+
+	private static String convertToJson(final Oaf oaf) {
+		try {
+			return new ObjectMapper().writeValueAsString(oaf);
+		} catch (final Exception e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	private static Oaf convertFromJson(final String s, final Class<? extends Oaf> clazz) {
+		try {
+			return new ObjectMapper().readValue(s, clazz);
+		} catch (final Exception e) {
+			log.error("Error parsing object of class: " + clazz);
+			log.error(s);
+			throw new RuntimeException(e);
+		}
+	}
+
+	private static boolean exists(final JavaSparkContext context, final String pathToFile) {
+		try {
+			final FileSystem hdfs = org.apache.hadoop.fs.FileSystem.get(context.hadoopConfiguration());
+			final Path path = new Path(pathToFile);
+			return hdfs.exists(path);
+		} catch (final IOException e) {
+			throw new RuntimeException(e);
+		}
+	}
+}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/step2/OafToOafMapper.java

@@ -1,16 +1,17 @@
-package eu.dnetlib.dhp.migration;
+package eu.dnetlib.dhp.migration.step2;
+
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.createOpenaireId;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.field;
 
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.dom4j.Document;
 import org.dom4j.Node;
 
-import eu.dnetlib.dhp.migration.pace.PacePerson;
+import eu.dnetlib.dhp.migration.utils.PacePerson;
 import eu.dnetlib.dhp.schema.oaf.Author;
 import eu.dnetlib.dhp.schema.oaf.DataInfo;
 import eu.dnetlib.dhp.schema.oaf.Field;
@@ -22,20 +23,10 @@ import eu.dnetlib.dhp.schema.oaf.Qualifier;
 import eu.dnetlib.dhp.schema.oaf.Relation;
 import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
 
-public class OafMigrationExecutor extends AbstractMongoExecutor {
+public class OafToOafMapper extends AbstractMdRecordToOafMapper {
 
-	private static final Log log = LogFactory.getLog(OafMigrationExecutor.class);
+	public OafToOafMapper(final Map<String, String> code2name) {
-
+		super(code2name);
-	public OafMigrationExecutor(final String hdfsPath, final String hdfsNameNode, final String hdfsUser, final String mongoBaseUrl, final String mongoDb,
-			final String dbUrl, final String dbUser,
-			final String dbPassword) throws Exception {
-		super(hdfsPath, hdfsNameNode, hdfsUser, mongoBaseUrl, mongoDb, dbUrl, dbUser, dbPassword);
-	}
-
-	@Override
-	protected void registerNamespaces(final Map<String, String> nsContext) {
-		super.registerNamespaces(nsContext);
-		nsContext.put("dc", "http://purl.org/dc/elements/1.1/");
 	}
 
 	@Override
@@ -211,12 +202,12 @@ public class OafMigrationExecutor extends AbstractMongoExecutor {
 			final KeyValue collectedFrom,
 			final DataInfo info,
 			final long lastUpdateTimestamp) {
-		final String docId = createOpenaireId(50, doc.valueOf("//dri:objIdentifier"));
+		final String docId = createOpenaireId(50, doc.valueOf("//dri:objIdentifier"), false);
 
 		final List<Oaf> res = new ArrayList<>();
 
 		for (final Object o : doc.selectNodes("//*[local-name()='relatedDataset']")) {
-			final String otherId = createOpenaireId(50, ((Node) o).getText());
+			final String otherId = createOpenaireId(50, ((Node) o).getText(), false);
 
 			final Relation r1 = new Relation();
 			r1.setRelType("resultResult");

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/step2/OdfToOafMapper.java

@@ -1,4 +1,8 @@
-package eu.dnetlib.dhp.migration;
+package eu.dnetlib.dhp.migration.step2;
+
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.createOpenaireId;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.field;
+import static eu.dnetlib.dhp.migration.utils.OafMapperUtils.structuredProperty;
 
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -6,8 +10,6 @@ import java.util.List;
 import java.util.Map;
 
 import org.apache.commons.lang3.StringUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
 import org.dom4j.Document;
 import org.dom4j.Node;
 
@@ -22,38 +24,28 @@ import eu.dnetlib.dhp.schema.oaf.Qualifier;
 import eu.dnetlib.dhp.schema.oaf.Relation;
 import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
 
-public class OdfMigrationExecutor extends AbstractMongoExecutor {
+public class OdfToOafMapper extends AbstractMdRecordToOafMapper {
 
-	private static final Log log = LogFactory.getLog(OdfMigrationExecutor.class);
+	public OdfToOafMapper(final Map<String, String> code2name) {
-
+		super(code2name);
-	public OdfMigrationExecutor(final String hdfsPath, final String hdfsNameNode, final String hdfsUser, final String mongoBaseUrl, final String mongoDb,
-			final String dbUrl, final String dbUser,
-			final String dbPassword) throws Exception {
-		super(hdfsPath, hdfsNameNode, hdfsUser, mongoBaseUrl, mongoDb, dbUrl, dbUser, dbPassword);
-	}
-
-	@Override
-	protected void registerNamespaces(final Map<String, String> nsContext) {
-		super.registerNamespaces(nsContext);
-		nsContext.put("dc", "http://datacite.org/schema/kernel-3");
 	}
 
 	@Override
 	protected List<StructuredProperty> prepareTitles(final Document doc, final DataInfo info) {
-		return prepareListStructProps(doc, "//dc:title", MAIN_TITLE_QUALIFIER, info);
+		return prepareListStructProps(doc, "//datacite:title", MAIN_TITLE_QUALIFIER, info);
 	}
 
 	@Override
 	protected List<Author> prepareAuthors(final Document doc, final DataInfo info) {
 		final List<Author> res = new ArrayList<>();
 		int pos = 1;
-		for (final Object o : doc.selectNodes("//dc:creator")) {
+		for (final Object o : doc.selectNodes("//datacite:creator")) {
 			final Node n = (Node) o;
 			final Author author = new Author();
-			author.setFullname(n.valueOf("./dc:creatorName"));
+			author.setFullname(n.valueOf("./datacite:creatorName"));
-			author.setName(n.valueOf("./dc:givenName"));
+			author.setName(n.valueOf("./datacite:givenName"));
-			author.setSurname(n.valueOf("./dc:familyName"));
+			author.setSurname(n.valueOf("./datacite:familyName"));
-			author.setAffiliation(prepareListFields(doc, "./dc:affiliation", info));
+			author.setAffiliation(prepareListFields(doc, "./datacite:affiliation", info));
 			author.setPid(preparePids(doc, info));
 			author.setRank(pos++);
 			res.add(author);
@@ -63,7 +55,7 @@ public class OdfMigrationExecutor extends AbstractMongoExecutor {
 
 	private List<StructuredProperty> preparePids(final Document doc, final DataInfo info) {
 		final List<StructuredProperty> res = new ArrayList<>();
-		for (final Object o : doc.selectNodes("./dc:nameIdentifier")) {
+		for (final Object o : doc.selectNodes("./datacite:nameIdentifier")) {
 			res.add(structuredProperty(((Node) o).getText(), prepareQualifier((Node) o, "./@nameIdentifierScheme", "dnet:pid_types", "dnet:pid_types"), info));
 		}
 		return res;
@@ -72,7 +64,7 @@ public class OdfMigrationExecutor extends AbstractMongoExecutor {
 	@Override
 	protected List<Instance> prepareInstances(final Document doc, final DataInfo info, final KeyValue collectedfrom, final KeyValue hostedby) {
 		final List<Instance> res = new ArrayList<>();
-		for (final Object o : doc.selectNodes("//dc:alternateIdentifier[@alternateIdentifierType='URL']")) {
+		for (final Object o : doc.selectNodes("//datacite:alternateIdentifier[@alternateIdentifierType='URL']")) {
 			final Instance instance = new Instance();
 			instance.setUrl(Arrays.asList(((Node) o).getText().trim()));
 			instance.setInstancetype(prepareQualifier(doc, "//dr:CobjCategory", "dnet:publication_resource", "dnet:publication_resource"));
@@ -98,7 +90,7 @@ public class OdfMigrationExecutor extends AbstractMongoExecutor {
 	@Override
 	protected List<StructuredProperty> prepareRelevantDates(final Document doc, final DataInfo info) {
 		final List<StructuredProperty> res = new ArrayList<>();
-		for (final Object o : doc.selectNodes("//dc:date")) {
+		for (final Object o : doc.selectNodes("//datacite:date")) {
 			final String dateType = ((Node) o).valueOf("@dateType");
 			if (StringUtils.isBlank(dateType) && !dateType.equalsIgnoreCase("Accepted") && !dateType.equalsIgnoreCase("Issued")
 					&& !dateType.equalsIgnoreCase("Updated") && !dateType.equalsIgnoreCase("Available")) {
@@ -115,32 +107,32 @@ public class OdfMigrationExecutor extends AbstractMongoExecutor {
 
 	@Override
 	protected List<Field<String>> prepareContributors(final Document doc, final DataInfo info) {
-		return prepareListFields(doc, "//dc:contributorName", info);
+		return prepareListFields(doc, "//datacite:contributorName", info);
 	}
 
 	@Override
 	protected List<Field<String>> prepareFormats(final Document doc, final DataInfo info) {
-		return prepareListFields(doc, "//dc:format", info);
+		return prepareListFields(doc, "//datacite:format", info);
 	}
 
 	@Override
 	protected Field<String> preparePublisher(final Document doc, final DataInfo info) {
-		return prepareField(doc, "//dc:publisher", info);
+		return prepareField(doc, "//datacite:publisher", info);
 	}
 
 	@Override
 	protected List<Field<String>> prepareDescriptions(final Document doc, final DataInfo info) {
-		return prepareListFields(doc, "//dc:description[@descriptionType='Abstract']", info);
+		return prepareListFields(doc, "//datacite:description[@descriptionType='Abstract']", info);
 	}
 
 	@Override
 	protected List<StructuredProperty> prepareSubjects(final Document doc, final DataInfo info) {
-		return prepareListStructProps(doc, "//dc:subject", info);
+		return prepareListStructProps(doc, "//datacite:subject", info);
 	}
 
 	@Override
 	protected Qualifier prepareLanguages(final Document doc) {
-		return prepareQualifier(doc, "//dc:language", "dnet:languages", "dnet:languages");
+		return prepareQualifier(doc, "//datacite:language", "dnet:languages", "dnet:languages");
 	}
 
 	@Override
@@ -150,17 +142,17 @@ public class OdfMigrationExecutor extends AbstractMongoExecutor {
 
 	@Override
 	protected List<Field<String>> prepareOtherResearchProductContactGroups(final Document doc, final DataInfo info) {
-		return prepareListFields(doc, "//dc:contributor[@contributorType='ContactGroup']/dc:contributorName", info);
+		return prepareListFields(doc, "//datacite:contributor[@contributorType='ContactGroup']/datacite:contributorName", info);
 	}
 
 	@Override
 	protected List<Field<String>> prepareOtherResearchProductContactPersons(final Document doc, final DataInfo info) {
-		return prepareListFields(doc, "//dc:contributor[@contributorType='ContactPerson']/dc:contributorName", info);
+		return prepareListFields(doc, "//datacite:contributor[@contributorType='ContactPerson']/datacite:contributorName", info);
 	}
 
 	@Override
 	protected Qualifier prepareSoftwareProgrammingLanguage(final Document doc, final DataInfo info) {
-		return prepareQualifier(doc, "//dc:format", "dnet:programming_languages", "dnet:programming_languages");
+		return prepareQualifier(doc, "//datacite:format", "dnet:programming_languages", "dnet:programming_languages");
 	}
 
 	@Override
@@ -175,7 +167,7 @@ public class OdfMigrationExecutor extends AbstractMongoExecutor {
 
 	@Override
 	protected List<Field<String>> prepareSoftwareDocumentationUrls(final Document doc, final DataInfo info) {
-		return prepareListFields(doc, "//dc:relatedIdentifier[@relatedIdentifierType='URL' and @relationType='IsDocumentedBy']", info);
+		return prepareListFields(doc, "//datacite:relatedIdentifier[@relatedIdentifierType='URL' and @relationType='IsDocumentedBy']", info);
 	}
 
 	// DATASETS
@@ -184,11 +176,11 @@ public class OdfMigrationExecutor extends AbstractMongoExecutor {
 	protected List<GeoLocation> prepareDatasetGeoLocations(final Document doc, final DataInfo info) {
 		final List<GeoLocation> res = new ArrayList<>();
 
-		for (final Object o : doc.selectNodes("//dc:geoLocation")) {
+		for (final Object o : doc.selectNodes("//datacite:geoLocation")) {
 			final GeoLocation loc = new GeoLocation();
-			loc.setBox(((Node) o).valueOf("./dc:geoLocationBox"));
+			loc.setBox(((Node) o).valueOf("./datacite:geoLocationBox"));
-			loc.setPlace(((Node) o).valueOf("./dc:geoLocationPlace"));
+			loc.setPlace(((Node) o).valueOf("./datacite:geoLocationPlace"));
-			loc.setPoint(((Node) o).valueOf("./dc:geoLocationPoint"));
+			loc.setPoint(((Node) o).valueOf("./datacite:geoLocationPoint"));
 			res.add(loc);
 		}
 		return res;
@@ -201,17 +193,17 @@ public class OdfMigrationExecutor extends AbstractMongoExecutor {
 
 	@Override
 	protected Field<String> prepareDatasetLastMetadataUpdate(final Document doc, final DataInfo info) {
-		return prepareField(doc, "//dc:date[@dateType='Updated']", info);
+		return prepareField(doc, "//datacite:date[@dateType='Updated']", info);
 	}
 
 	@Override
 	protected Field<String> prepareDatasetVersion(final Document doc, final DataInfo info) {
-		return prepareField(doc, "//dc:version", info);
+		return prepareField(doc, "//datacite:version", info);
 	}
 
 	@Override
 	protected Field<String> prepareDatasetSize(final Document doc, final DataInfo info) {
-		return prepareField(doc, "//dc:size", info);
+		return prepareField(doc, "//datacite:size", info);
 	}
 
 	@Override
@@ -221,18 +213,18 @@ public class OdfMigrationExecutor extends AbstractMongoExecutor {
 
 	@Override
 	protected Field<String> prepareDatasetStorageDate(final Document doc, final DataInfo info) {
-		return prepareField(doc, "//dc:date[@dateType='Issued']", info);
+		return prepareField(doc, "//datacite:date[@dateType='Issued']", info);
 	}
 
 	@Override
 	protected List<Oaf> addOtherResultRels(final Document doc, final KeyValue collectedFrom, final DataInfo info, final long lastUpdateTimestamp) {
 
-		final String docId = createOpenaireId(50, doc.valueOf("//dri:objIdentifier"));
+		final String docId = createOpenaireId(50, doc.valueOf("//dri:objIdentifier"), false);
 
 		final List<Oaf> res = new ArrayList<>();
 
-		for (final Object o : doc.selectNodes("//*[local-name() = 'resource']//*[local-name()='relatedIdentifier' and ./@relatedIdentifierType='OPENAIRE']")) {
+		for (final Object o : doc.selectNodes("//datacite:relatedIdentifier[@relatedIdentifierType='OPENAIRE']")) {
-			final String otherId = createOpenaireId(50, ((Node) o).getText());
+			final String otherId = createOpenaireId(50, ((Node) o).getText(), false);
 			final String type = ((Node) o).valueOf("@relationType");
 
 			if (type.equals("IsSupplementTo")) {

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/step3/DispatchEntitiesApplication.java

@@ -0,0 +1,71 @@
+package eu.dnetlib.dhp.migration.step3;
+
+import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.io.compress.GzipCodec;
+import org.apache.spark.api.java.JavaSparkContext;
+import org.apache.spark.sql.SparkSession;
+
+import eu.dnetlib.dhp.application.ArgumentApplicationParser;
+import eu.dnetlib.dhp.migration.step1.MigrateMongoMdstoresApplication;
+import eu.dnetlib.dhp.schema.oaf.Dataset;
+import eu.dnetlib.dhp.schema.oaf.Datasource;
+import eu.dnetlib.dhp.schema.oaf.Organization;
+import eu.dnetlib.dhp.schema.oaf.OtherResearchProduct;
+import eu.dnetlib.dhp.schema.oaf.Project;
+import eu.dnetlib.dhp.schema.oaf.Publication;
+import eu.dnetlib.dhp.schema.oaf.Relation;
+import eu.dnetlib.dhp.schema.oaf.Software;
+
+public class DispatchEntitiesApplication {
+
+	private static final Log log = LogFactory.getLog(DispatchEntitiesApplication.class);
+
+	public static void main(final String[] args) throws Exception {
+		final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+				IOUtils.toString(MigrateMongoMdstoresApplication.class
+						.getResourceAsStream("/eu/dnetlib/dhp/migration/dispatch_entities_parameters.json")));
+		parser.parseArgument(args);
+
+		try (final SparkSession spark = newSparkSession(parser); final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext())) {
+
+			final String sourcePath = parser.get("sourcePath");
+			final String targetPath = parser.get("graphRawPath");
+
+			processEntity(sc, Publication.class, sourcePath, targetPath);
+			processEntity(sc, Dataset.class, sourcePath, targetPath);
+			processEntity(sc, Software.class, sourcePath, targetPath);
+			processEntity(sc, OtherResearchProduct.class, sourcePath, targetPath);
+			processEntity(sc, Datasource.class, sourcePath, targetPath);
+			processEntity(sc, Organization.class, sourcePath, targetPath);
+			processEntity(sc, Project.class, sourcePath, targetPath);
+			processEntity(sc, Relation.class, sourcePath, targetPath);
+		}
+	}
+
+	private static SparkSession newSparkSession(final ArgumentApplicationParser parser) {
+		return SparkSession
+				.builder()
+				.appName(DispatchEntitiesApplication.class.getSimpleName())
+				.master(parser.get("master"))
+				.getOrCreate();
+	}
+
+	private static void processEntity(final JavaSparkContext sc, final Class<?> clazz, final String sourcePath, final String targetPath) {
+		final String type = clazz.getSimpleName().toLowerCase();
+
+		log.info(String.format("Processing entities (%s) in file: %s", type, sourcePath));
+
+		sc.textFile(sourcePath)
+				.filter(l -> isEntityType(l, type))
+				.map(l -> StringUtils.substringAfter(l, "|"))
+				.saveAsTextFile(targetPath + "/" + type, GzipCodec.class); // use repartition(XXX) ???
+	}
+
+	private static boolean isEntityType(final String line, final String type) {
+		return StringUtils.substringBefore(line, "|").equalsIgnoreCase(type);
+	}
+
+}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/utils/AbstractMigrationApplication.java

@@ -0,0 +1,77 @@
+package eu.dnetlib.dhp.migration.utils;
+
+import java.io.Closeable;
+import java.io.IOException;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.apache.hadoop.conf.Configuration;
+import org.apache.hadoop.fs.Path;
+import org.apache.hadoop.io.SequenceFile;
+import org.apache.hadoop.io.Text;
+import org.codehaus.jackson.map.ObjectMapper;
+
+import eu.dnetlib.dhp.schema.oaf.Oaf;
+
+public class AbstractMigrationApplication implements Closeable {
+
+	private final AtomicInteger counter = new AtomicInteger(0);
+
+	private final Text key = new Text();
+
+	private final Text value = new Text();
+
+	private final SequenceFile.Writer writer;
+
+	private final ObjectMapper objectMapper = new ObjectMapper();
+
+	private static final Log log = LogFactory.getLog(AbstractMigrationApplication.class);
+
+	public AbstractMigrationApplication(final String hdfsPath) throws Exception {
+
+		log.info(String.format("Creating SequenceFile Writer, hdfsPath=%s", hdfsPath));
+
+		this.writer = SequenceFile.createWriter(getConf(), SequenceFile.Writer.file(new Path(hdfsPath)), SequenceFile.Writer
+				.keyClass(Text.class), SequenceFile.Writer.valueClass(Text.class));
+	}
+
+	private Configuration getConf() throws IOException {
+		final Configuration conf = new Configuration();
+		/*
+		 * conf.set("fs.defaultFS", hdfsNameNode); conf.set("fs.hdfs.impl", org.apache.hadoop.hdfs.DistributedFileSystem.class.getName());
+		 * conf.set("fs.file.impl", org.apache.hadoop.fs.LocalFileSystem.class.getName()); System.setProperty("HADOOP_USER_NAME", hdfsUser);
+		 * System.setProperty("hadoop.home.dir", "/"); FileSystem.get(URI.create(hdfsNameNode), conf);
+		 */
+		return conf;
+	}
+
+	protected void emit(final String s, final String type) {
+		try {
+			key.set(counter.getAndIncrement() + ":" + type);
+			value.set(s);
+			writer.append(key, value);
+		} catch (final Exception e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	protected void emitOaf(final Oaf oaf) {
+		try {
+			emit(objectMapper.writeValueAsString(oaf), oaf.getClass().getSimpleName().toLowerCase());
+		} catch (final Exception e) {
+			throw new RuntimeException(e);
+		}
+	}
+
+	public ObjectMapper getObjectMapper() {
+		return objectMapper;
+	}
+
+	@Override
+	public void close() throws IOException {
+		writer.hflush();
+		writer.close();
+	}
+
+}

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/utils/DbClient.java

@@ -1,4 +1,4 @@
-package eu.dnetlib.dhp.migration;
+package eu.dnetlib.dhp.migration.utils;
 
 import java.io.Closeable;
 import java.io.IOException;
@@ -28,8 +28,8 @@ public class DbClient implements Closeable {
 					StringUtils.isNoneBlank(login, password) ? DriverManager.getConnection(address, login, password) : DriverManager.getConnection(address);
 			this.connection.setAutoCommit(false);
 		} catch (final Exception e) {
-			log.error(e.getClass().getName() + ": " + e.getMessage());
+			log.error("Connection to postgresDB failed");
-			throw new RuntimeException(e);
+			throw new RuntimeException("Connection to postgresDB failed", e);
 		}
 		log.info("Opened database successfully");
 	}
@@ -44,10 +44,12 @@ public class DbClient implements Closeable {
 					consumer.accept(rs);
 				}
 			} catch (final SQLException e) {
-				throw new RuntimeException(e);
+				log.error("Error executing sql query: " + sql, e);
+				throw new RuntimeException("Error executing sql query", e);
 			}
 		} catch (final SQLException e1) {
-			throw new RuntimeException(e1);
+			log.error("Error preparing sql statement", e1);
+			throw new RuntimeException("Error preparing sql statement", e1);
 		}
 	}
 

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/utils/MdstoreClient.java

@@ -1,4 +1,4 @@
-package eu.dnetlib.dhp.migration;
+package eu.dnetlib.dhp.migration.utils;
 
 import java.io.Closeable;
 import java.io.IOException;

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/utils/OafMapperUtils.java

@@ -1,24 +1,12 @@
-package eu.dnetlib.dhp.migration;
+package eu.dnetlib.dhp.migration.utils;
 
-import java.io.Closeable;
-import java.io.IOException;
-import java.net.URI;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Objects;
-import java.util.concurrent.atomic.AtomicInteger;
 import java.util.stream.Collectors;
 
 import org.apache.commons.lang3.StringUtils;
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.apache.hadoop.conf.Configuration;
-import org.apache.hadoop.fs.FileSystem;
-import org.apache.hadoop.fs.Path;
-import org.apache.hadoop.io.SequenceFile;
-import org.apache.hadoop.io.Text;
-import org.codehaus.jackson.map.ObjectMapper;
 
 import eu.dnetlib.dhp.schema.oaf.DataInfo;
 import eu.dnetlib.dhp.schema.oaf.ExtraInfo;
@@ -26,60 +14,12 @@ import eu.dnetlib.dhp.schema.oaf.Field;
 import eu.dnetlib.dhp.schema.oaf.Journal;
 import eu.dnetlib.dhp.schema.oaf.KeyValue;
 import eu.dnetlib.dhp.schema.oaf.OAIProvenance;
-import eu.dnetlib.dhp.schema.oaf.Oaf;
 import eu.dnetlib.dhp.schema.oaf.OriginDescription;
 import eu.dnetlib.dhp.schema.oaf.Qualifier;
 import eu.dnetlib.dhp.schema.oaf.StructuredProperty;
 import eu.dnetlib.dhp.utils.DHPUtils;
 
-public class AbstractMigrationExecutor implements Closeable {
+public class OafMapperUtils {
-
-	private final AtomicInteger counter = new AtomicInteger(0);
-
-	private final Text key = new Text();
-
-	private final Text value = new Text();
-
-	private final ObjectMapper objectMapper = new ObjectMapper();
-
-	private final SequenceFile.Writer writer;
-
-	private static final Log log = LogFactory.getLog(AbstractMigrationExecutor.class);
-
-	public AbstractMigrationExecutor(final String hdfsPath, final String hdfsNameNode, final String hdfsUser) throws Exception {
-
-		log.info(String.format("Creating SequenceFile Writer, hdfsPath=%s, nameNode=%s, user=%s", hdfsPath, hdfsNameNode, hdfsUser));
-
-		this.writer = SequenceFile.createWriter(getConf(hdfsNameNode, hdfsUser), SequenceFile.Writer.file(new Path(hdfsPath)), SequenceFile.Writer
-				.keyClass(Text.class), SequenceFile.Writer.valueClass(Text.class));
-	}
-
-	private Configuration getConf(final String hdfsNameNode, final String hdfsUser) throws IOException {
-		final Configuration conf = new Configuration();
-		conf.set("fs.defaultFS", hdfsNameNode);
-		conf.set("fs.hdfs.impl", org.apache.hadoop.hdfs.DistributedFileSystem.class.getName());
-		conf.set("fs.file.impl", org.apache.hadoop.fs.LocalFileSystem.class.getName());
-		System.setProperty("HADOOP_USER_NAME", hdfsUser);
-		System.setProperty("hadoop.home.dir", "/");
-		FileSystem.get(URI.create(hdfsNameNode), conf);
-		return conf;
-	}
-
-	protected void emitOaf(final Oaf oaf) {
-		try {
-			key.set(counter.getAndIncrement() + ":" + oaf.getClass().getSimpleName().toLowerCase());
-			value.set(objectMapper.writeValueAsString(oaf));
-			writer.append(key, value);
-		} catch (final Exception e) {
-			throw new RuntimeException(e);
-		}
-	}
-
-	@Override
-	public void close() throws IOException {
-		writer.hflush();
-		writer.close();
-	}
 
 	public static KeyValue keyValue(final String k, final String v) {
 		final KeyValue kv = new KeyValue();
@@ -223,28 +163,33 @@ public class AbstractMigrationExecutor implements Closeable {
 		return d;
 	}
 
-	public static String createOpenaireId(final int prefix, final String originalId) {
+	public static String createOpenaireId(final int prefix, final String originalId, final boolean to_md5) {
-		final String nsPrefix = StringUtils.substringBefore(originalId, "::");
+		if (to_md5) {
-		final String rest = StringUtils.substringAfter(originalId, "::");
+			final String nsPrefix = StringUtils.substringBefore(originalId, "::");
-		return String.format("%s|%s::%s", prefix, nsPrefix, DHPUtils.md5(rest));
+			final String rest = StringUtils.substringAfter(originalId, "::");
+			return String.format("%s|%s::%s", prefix, nsPrefix, DHPUtils.md5(rest));
+		} else {
+			return String.format("%s|%s", prefix, originalId);
+		}
 	}
 
-	public static String createOpenaireId(final String type, final String originalId) {
+	public static String createOpenaireId(final String type, final String originalId, final boolean to_md5) {
 		switch (type) {
 		case "datasource":
-			return createOpenaireId(10, originalId);
+			return createOpenaireId(10, originalId, to_md5);
 		case "organization":
-			return createOpenaireId(20, originalId);
+			return createOpenaireId(20, originalId, to_md5);
 		case "person":
-			return createOpenaireId(30, originalId);
+			return createOpenaireId(30, originalId, to_md5);
 		case "project":
-			return createOpenaireId(40, originalId);
+			return createOpenaireId(40, originalId, to_md5);
 		default:
-			return createOpenaireId(50, originalId);
+			return createOpenaireId(50, originalId, to_md5);
 		}
 	}
 
 	public static String asString(final Object o) {
 		return o == null ? "" : o.toString();
 	}
+
 }

dhp-workflows/dhp-aggregation/src/main/java/eu/dnetlib/dhp/migration/utils/PacePerson.java

@@ -1,4 +1,4 @@
-package eu.dnetlib.dhp.migration.pace;
+package eu.dnetlib.dhp.migration.utils;
 
 import java.nio.charset.Charset;
 import java.text.Normalizer;

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/dispatch_entities_parameters.json

@@ -1,8 +1,8 @@
 [
 	{
 		"paramName": "s",
-		"paramLongName": "sourcePaths",
+		"paramLongName": "sourcePath",
-		"paramDescription": "the HDFS  source paths which contains the sequential file (comma separated)",
+		"paramDescription": "the source path",
 		"paramRequired": true
 	},
 	{

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/generate_entities_parameters.json

@@ -0,0 +1,39 @@
+[
+	{
+		"paramName": "s",
+		"paramLongName": "sourcePaths",
+		"paramDescription": "the HDFS source paths which contains the sequential file (comma separated)",
+		"paramRequired": true
+	},
+	{
+		"paramName": "mt",
+		"paramLongName": "master",
+		"paramDescription": "should be local or yarn",
+		"paramRequired": true
+	},
+	{
+		"paramName": "t",
+		"paramLongName": "targetPath",
+		"paramDescription": "the path of the target file",
+		"paramRequired": true
+	},
+	{
+		"paramName": "pgurl",
+		"paramLongName": "postgresUrl",
+		"paramDescription": "postgres url, example: jdbc:postgresql://localhost:5432/testdb",
+		"paramRequired": true
+	},
+	{
+		"paramName": "pguser",
+		"paramLongName": "postgresUser",
+		"paramDescription": "postgres user",
+		"paramRequired": false
+	},
+	{
+		"paramName": "pgpasswd",
+		"paramLongName": "postgresPassword",
+		"paramDescription": "postgres password",
+		"paramRequired": false
+	}
+
+]

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/migrate_actionsets_parameters.json

@@ -0,0 +1,10 @@
+[
+  {"paramName":"is", "paramLongName":"isLookupUrl",      "paramDescription": "URL of the isLookUp Service",       "paramRequired": true},
+  {"paramName":"sn", "paramLongName":"sourceNameNode",   "paramDescription": "nameNode of the source cluster",    "paramRequired": true},
+  {"paramName":"tn", "paramLongName":"targetNameNode",   "paramDescription": "namoNode of the target cluster",    "paramRequired": true},
+  {"paramName":"w",  "paramLongName":"workingDirectory", "paramDescription": "working directory",    "paramRequired": true},
+  {"paramName":"nm", "paramLongName":"distcp_num_maps",  "paramDescription": "maximum number of map tasks used in the distcp process",    "paramRequired": true},
+  {"paramName":"mm", "paramLongName":"distcp_memory_mb", "paramDescription": "memory for distcp action copying actionsets from remote cluster",    "paramRequired": true},
+  {"paramName":"tt", "paramLongName":"distcp_task_timeout", "paramDescription": "timeout for distcp copying actions from remote cluster",   "paramRequired": true},
+  {"paramName":"tr", "paramLongName":"transform_only",   "paramDescription": "activate tranform-only mode. Only apply transformation step", "paramRequired": true}
+]

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/migrate_db_entities_parameters.json

@@ -6,31 +6,19 @@
 		"paramRequired": true
 	},
 	{
-		"paramName": "n",
+		"paramName": "pgurl",
-		"paramLongName": "namenode",
-		"paramDescription": "the Name Node URI",
-		"paramRequired": true
-	},
-	{
-		"paramName": "u",
-		"paramLongName": "hdfsUser",
-		"paramDescription": "the user wich create the hdfs seq file",
-		"paramRequired": true
-	},
-	{
-		"paramName": "dburl",
 		"paramLongName": "postgresUrl",
 		"paramDescription": "postgres url, example: jdbc:postgresql://localhost:5432/testdb",
 		"paramRequired": true
 	},
 	{
-		"paramName": "dbuser",
+		"paramName": "pguser",
 		"paramLongName": "postgresUser",
 		"paramDescription": "postgres user",
 		"paramRequired": false
 	},
 	{
-		"paramName": "dbpasswd",
+		"paramName": "pgpasswd",
 		"paramLongName": "postgresPassword",
 		"paramDescription": "postgres password",
 		"paramRequired": false

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/migrate_mongo_mstores_parameters.json

@@ -5,18 +5,6 @@
 		"paramDescription": "the path where storing the sequential file",
 		"paramRequired": true
 	},
-	{
-		"paramName": "n",
-		"paramLongName": "namenode",
-		"paramDescription": "the Name Node URI",
-		"paramRequired": true
-	},
-	{
-		"paramName": "u",
-		"paramLongName": "hdfsUser",
-		"paramDescription": "the user wich create the hdfs seq file",
-		"paramRequired": true
-	},
 	{
 		"paramName": "mongourl",
 		"paramLongName": "mongoBaseUrl",
@@ -24,7 +12,7 @@
 		"paramRequired": true
 	},
 	{
-		"paramName": "db",
+		"paramName": "mongodb",
 		"paramLongName": "mongoDb",
 		"paramDescription": "mongo database",
 		"paramRequired": true
@@ -46,23 +34,5 @@
 		"paramLongName": "mdInterpretation",
 		"paramDescription": "metadata interpretation",
 		"paramRequired": true
-	},
-	{
-		"paramName": "pgurl",
-		"paramLongName": "postgresUrl",
-		"paramDescription": "postgres url, example: jdbc:postgresql://localhost:5432/testdb",
-		"paramRequired": true
-	},
-	{
-		"paramName": "pguser",
-		"paramLongName": "postgresUser",
-		"paramDescription": "postgres user",
-		"paramRequired": false
-	},
-	{
-		"paramName": "pgpasswd",
-		"paramLongName": "postgresPassword",
-		"paramDescription": "postgres password",
-		"paramRequired": false
 	}
 ]

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/oozie_app/workflow.xml

@@ -1,206 +0,0 @@
-<workflow-app name="import Entities from aggretor to HDFS" xmlns="uri:oozie:workflow:0.5">
-    <parameters>
-        <property>
-            <name>workingPath</name>
-            <description>the base path to store hdfs file</description>
-        </property>
-        <property>
-            <name>graphRawPath</name>
-            <description>the graph Raw base path</description>
-        </property>
-
-        <property>
-            <name>postgresURL</name>
-            <description>the postgres URL to access to the database</description>
-        </property>
-        <property>
-            <name>postgresUser</name>
-            <description>the user postgres</description>
-        </property>
-        <property>
-            <name>postgresPassword</name>
-            <description>the password postgres</description>
-        </property>
-        <property>
-            <name>mongourl</name>
-            <description>mongoDB url, example: mongodb://[username:password@]host[:port]</description>
-        </property>
-        <property>
-            <name>mongoDb</name>
-            <description>mongo database</description>
-        </property>
-        <property>
-            <name>sparkDriverMemory</name>
-            <description>memory for driver process</description>
-        </property>
-        <property>
-            <name>sparkExecutorMemory</name>
-            <description>memory for individual executor</description>
-        </property>
-        <property>
-            <name>sparkExecutorCores</name>
-            <description>number of cores used by single executor</description>
-        </property>
-    </parameters>
-
-	<start to="ResetWorkingPath"/>
-
-    <kill name="Kill">
-        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
-    </kill>
-
-    <action name="ResetWorkingPath">
-        <fs>
-            <delete path='${workingPath}'/>
-            <mkdir path='${workingPath}'/>
-        </fs>
-        <ok to="ImportEntitiesFromPostgres"/>
-        <error to="Kill"/>
-    </action>
-
-    <action name="ImportEntitiesFromPostgres">
-        <java>
-            <job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
-            <main-class>eu.dnetlib.dhp.migration.MigrateDbEntitiesApplication</main-class>
-            <arg>-p</arg><arg>${workingPath}/db_entities</arg>
-            <arg>-n</arg><arg>${nameNode}</arg>
-            <arg>-u</arg><arg>${hdfsUser}</arg>
-            <arg>-dburl</arg><arg>${postgresURL}</arg>
-            <arg>-dbuser</arg><arg>${postgresUser}</arg>
-            <arg>-dbpasswd</arg><arg>${postgresPassword}</arg>
-        </java>
-        <ok to="ImportClaimsFromPostgres"/>
-        <error to="Kill"/>
-    </action>
-    
-    <action name="ImportClaimsFromPostgres">
-        <java>
-            <job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
-            <main-class>eu.dnetlib.dhp.migration.MigrateDbEntitiesApplication</main-class>
-            <arg>-p</arg><arg>${workingPath}/db_claims</arg>
-            <arg>-n</arg><arg>${nameNode}</arg>
-            <arg>-u</arg><arg>${hdfsUser}</arg>
-            <arg>-dburl</arg><arg>${postgresURL}</arg>
-            <arg>-dbuser</arg><arg>${postgresUser}</arg>
-            <arg>-dbpasswd</arg><arg>${postgresPassword}</arg>
-            <arg>-a</arg><arg>claims</arg>
-        </java>
-		<ok to="ImportODFEntitiesFromMongoDB"/>
-        <error to="Kill"/>
-    </action>
-
-    <action name="ImportODFEntitiesFromMongoDB">
-        <java>
-            <job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
-            <main-class>eu.dnetlib.dhp.migration.MigrateMongoMdstoresApplication</main-class>
-            <arg>-p</arg><arg>${workingPath}/odf_entities</arg>
-            <arg>-n</arg><arg>${nameNode}</arg>
-            <arg>-u</arg><arg>${hdfsUser}</arg>
-            <arg>-mongourl</arg><arg>${mongourl}</arg>
-            <arg>-db</arg><arg>${mongoDb}</arg>
-            <arg>-f</arg><arg>ODF</arg>
-            <arg>-l</arg><arg>store</arg>
-            <arg>-i</arg><arg>cleaned</arg>
-            <arg>-pgurl</arg><arg>${postgresURL}</arg>
-            <arg>-pguser</arg><arg>${postgresUser}</arg>
-            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
-        </java>
-        <ok to="ImportOAFEntitiesFromMongoDB"/>
-        <error to="Kill"/>
-    </action>
-
-    <action name="ImportOAFEntitiesFromMongoDB">
-        <java>
-            <job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
-            <main-class>eu.dnetlib.dhp.migration.MigrateMongoMdstoresApplication</main-class>
-            <arg>-p</arg><arg>${workingPath}/oaf_entities</arg>
-            <arg>-n</arg><arg>${nameNode}</arg>
-            <arg>-u</arg><arg>${hdfsUser}</arg>
-            <arg>-mongourl</arg><arg>${mongourl}</arg>
-            <arg>-db</arg><arg>${mongoDb}</arg>
-            <arg>-f</arg><arg>OAF</arg>
-            <arg>-l</arg><arg>store</arg>
-            <arg>-i</arg><arg>cleaned</arg>
-            <arg>-pgurl</arg><arg>${postgresURL}</arg>
-            <arg>-pguser</arg><arg>${postgresUser}</arg>
-            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
-        </java>
-        <ok to="ImportODFClaimsFromMongoDB"/>
-        <error to="Kill"/>
-    </action>
-    
-    <action name="ImportODFClaimsFromMongoDB">
-        <java>
-            <job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
-            <main-class>eu.dnetlib.dhp.migration.MigrateMongoMdstoresApplication</main-class>
-            <arg>-p</arg><arg>${workingPath}/odf_claims</arg>
-            <arg>-n</arg><arg>${nameNode}</arg>
-            <arg>-u</arg><arg>${hdfsUser}</arg>
-            <arg>-mongourl</arg><arg>${mongourl}</arg>
-            <arg>-db</arg><arg>${mongoDb}</arg>
-            <arg>-f</arg><arg>ODF</arg>
-            <arg>-l</arg><arg>store</arg>
-            <arg>-i</arg><arg>claim</arg>
-            <arg>-pgurl</arg><arg>${postgresURL}</arg>
-            <arg>-pguser</arg><arg>${postgresUser}</arg>
-            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
-        </java>
-        <ok to="ImportOAFClaimsFromMongoDB"/>
-        <error to="Kill"/>
-    </action>
-
-    <action name="ImportOAFClaimsFromMongoDB">
-        <java>
-            <job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
-            <main-class>eu.dnetlib.dhp.migration.MigrateMongoMdstoresApplication</main-class>
-            <arg>-p</arg><arg>${workingPath}/oaf_claims</arg>
-            <arg>-n</arg><arg>${nameNode}</arg>
-            <arg>-u</arg><arg>${hdfsUser}</arg>
-            <arg>-mongourl</arg><arg>${mongourl}</arg>
-            <arg>-db</arg><arg>${mongoDb}</arg>
-            <arg>-f</arg><arg>OAF</arg>
-            <arg>-l</arg><arg>store</arg>
-            <arg>-i</arg><arg>claim</arg>
-            <arg>-pgurl</arg><arg>${postgresURL}</arg>
-            <arg>-pguser</arg><arg>${postgresUser}</arg>
-            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
-        </java>
-        <ok to="ResetGraphRawPath"/>
-        <error to="Kill"/>
-    </action>
-
-	<action name="ResetGraphRawPath">
-        <fs>
-            <delete path='${graphRawPath}'/>
-            <mkdir path='${graphRawPath}'/>
-        </fs>
-        <ok to="ExtractEntitiesInGraphRawPath"/>
-        <error to="Kill"/>
-    </action>
-
-    <action name="ExtractEntitiesInGraphRawPath">
-        <spark xmlns="uri:oozie:spark-action:0.2">
-            <job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
-            <master>yarn-cluster</master>
-            <mode>cluster</mode>
-            <name>ExtractEntities</name>
-            <class>eu.dnetlib.dhp.migration.ExtractEntitiesFromHDFSJob</class>
-            <jar>dhp-aggregation-${projectVersion}.jar</jar>
-            <spark-opts>--executor-memory ${sparkExecutorMemory} --executor-cores ${sparkExecutorCores} --driver-memory=${sparkDriverMemory} --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener" --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener" --conf spark.sql.warehouse.dir="/user/hive/warehouse"</spark-opts>
-            <arg>-mt</arg> <arg>yarn-cluster</arg>
-            <arg>-s</arg><arg>${workingPath}/db_entities,${workingPath}/oaf_entities,${workingPath}/odf_entities</arg>
-            <arg>-g</arg><arg>${graphRawPath}</arg>
-        </spark>
-        <ok to="End"/>
-        <error to="Kill"/>
-    </action>  
-
-    <end name="End"/>
-</workflow-app>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/transform_actionsets_parameters.json

@@ -0,0 +1,5 @@
+[
+  {"paramName":"mt", "paramLongName":"master",        "paramDescription": "should be local or yarn",        "paramRequired": true},
+  {"paramName":"is", "paramLongName":"isLookupUrl",   "paramDescription": "URL of the isLookUp Service",    "paramRequired": true},
+  {"paramName":"i",  "paramLongName":"inputPaths",    "paramDescription": "URL of the isLookUp Service",    "paramRequired": true}
+]

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/actions/oozie_app/config-default.xml

@@ -0,0 +1,30 @@
+<configuration>
+    <property>
+        <name>jobTracker</name>
+        <value>yarnRM</value>
+    </property>
+    <property>
+        <name>nameNode</name>
+        <value>hdfs://nameservice1</value>
+    </property>
+    <property>
+        <name>sourceNN</name>
+        <value>webhdfs://namenode2.hadoop.dm.openaire.eu:50071</value>
+    </property>
+    <property>
+        <name>oozie.use.system.libpath</name>
+        <value>true</value>
+    </property>
+    <property>
+        <name>oozie.action.sharelib.for.spark</name>
+        <value>spark2</value>
+    </property>
+    <property>
+        <name>spark2YarnHistoryServerAddress</name>
+        <value>http://iis-cdh5-test-gw.ocean.icm.edu.pl:18088</value>
+    </property>
+    <property>
+        <name>spark2EventLogDir</name>
+        <value>/user/spark/applicationHistory</value>
+    </property>
+</configuration>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/actions/oozie_app/workflow.xml

@@ -0,0 +1,122 @@
+<workflow-app xmlns='uri:oozie:workflow:0.5' name='migrate_actions'>
+    <parameters>
+        <property>
+            <name>sourceNN</name>
+            <description>the source name node</description>
+        </property>
+        <property>
+            <name>isLookupUrl</name>
+            <description>the isLookup service endpoint</description>
+        </property>
+        <property>
+            <name>workingDirectory</name>
+            <value>/tmp/actionsets</value>
+            <description>working directory</description>
+        </property>
+        <property>
+            <name>distcp_memory_mb</name>
+            <value>6144</value>
+            <description>memory for distcp copying actionsets from remote cluster</description>
+        </property>
+        <property>
+            <name>distcp_task_timeout</name>
+            <value>60000000</value>
+            <description>timeout for distcp copying actions from remote cluster</description>
+        </property>
+        <property>
+            <name>distcp_num_maps</name>
+            <value>1</value>
+            <description>mmaximum number of map tasks used in the distcp process</description>
+        </property>
+        <property>
+            <name>transform_only</name>
+            <description>activate tranform-only mode. Only apply transformation step</description>
+        </property>
+        <property>
+            <name>sparkDriverMemory</name>
+            <description>memory for driver process</description>
+        </property>
+        <property>
+            <name>sparkExecutorMemory</name>
+            <description>memory for individual executor</description>
+        </property>
+        <property>
+            <name>sparkExecutorCores</name>
+            <description>number of cores used by single executor</description>
+        </property>
+        <property>
+            <name>spark2YarnHistoryServerAddress</name>
+            <description>spark 2.* yarn history server address</description>
+        </property>
+        <property>
+            <name>spark2EventLogDir</name>
+            <description>spark 2.* event log dir location</description>
+        </property>
+    </parameters>
+
+    <global>
+        <job-tracker>${jobTracker}</job-tracker>
+        <name-node>${nameNode}</name-node>
+        <configuration>
+            <property>
+                <name>mapreduce.job.queuename</name>
+                <value>${queueName}</value>
+            </property>
+            <property>
+                <name>oozie.launcher.mapred.job.queue.name</name>
+                <value>${oozieLauncherQueueName}</value>
+            </property>
+        </configuration>
+    </global>
+
+    <start to='migrate_actionsets' />
+
+    <action name='migrate_actionsets'>
+        <java>
+            <main-class>eu.dnetlib.dhp.migration.actions.MigrateActionSet</main-class>
+            <java-opt>-Dmapred.task.timeout=${distcp_task_timeout}</java-opt>
+            <arg>-is</arg><arg>${isLookupUrl}</arg>
+            <arg>-sn</arg><arg>${sourceNN}</arg>
+            <arg>-tn</arg><arg>${nameNode}</arg>
+            <arg>-w</arg><arg>${workingDirectory}</arg>
+            <arg>-nm</arg><arg>${distcp_num_maps}</arg>
+            <arg>-mm</arg><arg>${distcp_memory_mb}</arg>
+            <arg>-tt</arg><arg>${distcp_task_timeout}</arg>
+            <arg>-tr</arg><arg>${transform_only}</arg>
+            <capture-output/>
+        </java>
+        <ok to="transform_actions" />
+        <error to="fail" />
+    </action>
+
+    <action name="transform_actions">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>transform_actions</name>
+            <class>eu.dnetlib.dhp.migration.actions.TransformActions</class>
+            <jar>dhp-aggregation-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-cores ${sparkExecutorCores}
+                --executor-memory ${sparkExecutorMemory}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener"
+                --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener"
+                --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
+                --conf spark.eventLog.dir=${nameNode}${spark2EventLogDir}
+            </spark-opts>
+            <arg>-mt</arg><arg>yarn</arg>
+            <arg>-is</arg><arg>${isLookupUrl}</arg>
+            <arg>--inputPaths</arg><arg>${wf:actionData('migrate_actionsets')['target_paths']}</arg>
+        </spark>
+        <ok to="end"/>
+        <error to="fail"/>
+    </action>
+
+    <kill name="fail">
+        <message>migrate_actions failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
+    </kill>
+
+    <end name="end" />
+
+</workflow-app>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/claims/oozie_app/config-default.xml

@@ -15,8 +15,4 @@
         <name>oozie.action.sharelib.for.spark</name>
         <value>spark2</value>
     </property>
-    <property>
-        <name>hdfsUser</name>
-        <value>dnet</value>
-    </property>
 </configuration>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/claims/oozie_app/workflow.xml

@@ -0,0 +1,169 @@
+<workflow-app name="import Claims as Graph" xmlns="uri:oozie:workflow:0.5">
+    <parameters>
+        <property>
+            <name>migrationClaimsPathStep1</name>
+            <description>the base path to store hdfs file</description>
+        </property>
+        <property>
+            <name>migrationClaimsPathStep2</name>
+            <description>the temporary path to store entities before dispatching</description>
+        </property>
+        <property>
+            <name>migrationClaimsPathStep3</name>
+            <description>the graph Raw base path</description>
+        </property>
+        <property>
+            <name>postgresURL</name>
+            <description>the postgres URL to access to the database</description>
+        </property>
+        <property>
+            <name>postgresUser</name>
+            <description>the user postgres</description>
+        </property>
+        <property>
+            <name>postgresPassword</name>
+            <description>the password postgres</description>
+        </property>
+        <property>
+            <name>mongoURL</name>
+            <description>mongoDB url, example: mongodb://[username:password@]host[:port]</description>
+        </property>
+        <property>
+            <name>mongoDb</name>
+            <description>mongo database</description>
+        </property>
+        <property>
+            <name>sparkDriverMemory</name>
+            <description>memory for driver process</description>
+        </property>
+        <property>
+            <name>sparkExecutorMemory</name>
+            <description>memory for individual executor</description>
+        </property>
+        <property>
+            <name>sparkExecutorCores</name>
+            <description>number of cores used by single executor</description>
+        </property>
+    </parameters>
+
+	<start to="ResetWorkingPath"/>
+
+    <kill name="Kill">
+        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
+    </kill>
+
+    <action name="ResetWorkingPath">
+        <fs>
+            <delete path='${migrationClaimsPathStep1}'/>
+            <mkdir path='${migrationClaimsPathStep1}'/>
+        </fs>
+        <ok to="ImportDBClaims"/>
+        <error to="Kill"/>
+    </action>
+   
+    <action name="ImportDBClaims">
+        <java>
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <main-class>eu.dnetlib.dhp.migration.step1.MigrateDbEntitiesApplication</main-class>
+            <arg>-p</arg><arg>${migrationClaimsPathStep1}/db_claims</arg>
+            <arg>-pgurl</arg><arg>${postgresURL}</arg>
+            <arg>-pguser</arg><arg>${postgresUser}</arg>
+            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
+            <arg>-a</arg><arg>claims</arg>
+        </java>
+		<ok to="ImportODFClaims"/>
+        <error to="Kill"/>
+    </action>
+    
+    <action name="ImportODFClaims">
+        <java>
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <main-class>eu.dnetlib.dhp.migration.step1.MigrateMongoMdstoresApplication</main-class>
+            <arg>-p</arg><arg>${migrationClaimsPathStep1}/odf_claims</arg>
+            <arg>-mongourl</arg><arg>${mongoURL}</arg>
+            <arg>-mongodb</arg><arg>${mongoDb}</arg>
+            <arg>-f</arg><arg>ODF</arg>
+            <arg>-l</arg><arg>store</arg>
+            <arg>-i</arg><arg>claim</arg>
+        </java>
+        <ok to="ImportOAFClaims"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="ImportOAFClaims">
+        <java>
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <main-class>eu.dnetlib.dhp.migration.step1.MigrateMongoMdstoresApplication</main-class>
+            <arg>-p</arg><arg>${migrationClaimsPathStep1}/oaf_claims</arg>
+            <arg>-mongourl</arg><arg>${mongoURL}</arg>
+            <arg>-mongodb</arg><arg>${mongoDb}</arg>
+            <arg>-f</arg><arg>OAF</arg>
+            <arg>-l</arg><arg>store</arg>
+            <arg>-i</arg><arg>claim</arg>
+        </java>
+        <ok to="ResetClaimEntities"/>
+        <error to="Kill"/>
+    </action>
+
+	<action name="ResetClaimEntities">
+        <fs>
+            <delete path='${migrationClaimsPathStep2}'/>
+            <mkdir path='${migrationClaimsPathStep2}'/>
+        </fs>
+        <ok to="GenerateClaimEntities"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="GenerateClaimEntities">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <master>yarn-cluster</master>
+            <mode>cluster</mode>
+            <name>GenerateClaimEntities</name>
+            <class>eu.dnetlib.dhp.migration.step2.GenerateEntitiesApplication</class>
+            <jar>dhp-aggregation-${projectVersion}.jar</jar>
+            <spark-opts>--executor-memory ${sparkExecutorMemory} --executor-cores ${sparkExecutorCores} --driver-memory=${sparkDriverMemory} --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener" --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener" --conf spark.sql.warehouse.dir="/user/hive/warehouse"</spark-opts>
+            <arg>-mt</arg> <arg>yarn-cluster</arg>
+            <arg>-s</arg><arg>${migrationClaimsPathStep1}/db_claims,${migrationClaimsPathStep1}/oaf_claims,${migrationClaimsPathStep1}/odf_claims</arg>
+            <arg>-t</arg><arg>${migrationClaimsPathStep2}/claim_entities</arg>
+            <arg>-pgurl</arg><arg>${postgresURL}</arg>
+            <arg>-pguser</arg><arg>${postgresUser}</arg>
+            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
+        </spark>
+        <ok to="ResetClaimGraph"/>
+        <error to="Kill"/>
+    </action>
+
+	<action name="ResetClaimGraph">
+        <fs>
+            <delete path='${migrationClaimsPathStep3}'/>
+            <mkdir path='${migrationClaimsPathStep3}'/>
+        </fs>
+        <ok to="GenerateClaimGraph"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="GenerateClaimGraph">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <master>yarn-cluster</master>
+            <mode>cluster</mode>
+            <name>GenerateClaimGraph</name>
+            <class>eu.dnetlib.dhp.migration.step3.DispatchEntitiesApplication</class>
+            <jar>dhp-aggregation-${projectVersion}.jar</jar>
+            <spark-opts>--executor-memory ${sparkExecutorMemory} --executor-cores ${sparkExecutorCores} --driver-memory=${sparkDriverMemory} --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener" --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener" --conf spark.sql.warehouse.dir="/user/hive/warehouse"</spark-opts>
+            <arg>-mt</arg> <arg>yarn-cluster</arg>
+            <arg>-s</arg><arg>${migrationClaimsPathStep2}/claim_entities</arg>
+            <arg>-g</arg><arg>${migrationClaimsPathStep3}</arg>
+        </spark>
+        <ok to="End"/>
+        <error to="Kill"/>
+    </action>  
+
+    <end name="End"/>
+</workflow-app>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/regular_all_steps/oozie_app/config-default.xml

@@ -0,0 +1,18 @@
+<configuration>
+    <property>
+        <name>jobTracker</name>
+        <value>yarnRM</value>
+    </property>
+    <property>
+        <name>nameNode</name>
+        <value>hdfs://nameservice1</value>
+    </property>
+    <property>
+        <name>oozie.use.system.libpath</name>
+        <value>true</value>
+    </property>
+    <property>
+        <name>oozie.action.sharelib.for.spark</name>
+        <value>spark2</value>
+    </property>
+</configuration>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/regular_all_steps/oozie_app/workflow.xml

@@ -0,0 +1,197 @@
+<workflow-app name="import regular entities as Graph (all steps)" xmlns="uri:oozie:workflow:0.5">
+
+    <parameters>
+        <property>
+            <name>workingPath</name>
+            <value>/tmp/dhp_migration</value>
+            <description>the base path to store temporary intermediate data</description>
+        </property>
+        <property>
+            <name>graphBasePath</name>
+            <description>the target path to store raw graph</description>
+        </property>
+        <property>
+            <name>reuseContent</name>
+            <value>false</value>
+            <description>should import content from the aggregator or reuse a previous version</description>
+        </property>
+        <property>
+            <name>postgresURL</name>
+            <description>the postgres URL to access to the database</description>
+        </property>
+        <property>
+            <name>postgresUser</name>
+            <description>the user postgres</description>
+        </property>
+        <property>
+            <name>postgresPassword</name>
+            <description>the password postgres</description>
+        </property>
+        <property>
+            <name>mongoURL</name>
+            <description>mongoDB url, example: mongodb://[username:password@]host[:port]</description>
+        </property>
+        <property>
+            <name>mongoDb</name>
+            <description>mongo database</description>
+        </property>
+        <property>
+            <name>sparkDriverMemory</name>
+            <description>memory for driver process</description>
+        </property>
+        <property>
+            <name>sparkExecutorMemory</name>
+            <description>memory for individual executor</description>
+        </property>
+        <property>
+            <name>sparkExecutorCores</name>
+            <description>number of cores used by single executor</description>
+        </property>
+    </parameters>
+
+    <global>
+        <job-tracker>${jobTracker}</job-tracker>
+        <name-node>${nameNode}</name-node>
+        <configuration>
+            <property>
+                <name>mapreduce.job.queuename</name>
+                <value>${queueName}</value>
+            </property>
+            <property>
+                <name>oozie.launcher.mapred.job.queue.name</name>
+                <value>${oozieLauncherQueueName}</value>
+            </property>
+        </configuration>
+    </global>
+
+	<start to="ReuseContent"/>
+
+    <kill name="Kill">
+        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
+    </kill>
+
+    <decision name="ReuseContent">
+        <switch>
+            <case to="ResetWorkingPath">${wf:conf('reuseContent') eq false}</case>
+            <case to="ResetAllEntitiesPath">${wf:conf('reuseContent') eq true}</case>
+            <default to="ResetWorkingPath"/>
+        </switch>
+    </decision>
+
+    <action name="ResetWorkingPath">
+        <fs>
+            <delete path="${workingPath}"/>
+            <mkdir path="${workingPath}"/>
+        </fs>
+        <ok to="ImportDB"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="ImportDB">
+        <java>
+            <main-class>eu.dnetlib.dhp.migration.step1.MigrateDbEntitiesApplication</main-class>
+            <arg>-p</arg><arg>${workingPath}/db_records</arg>
+            <arg>-pgurl</arg><arg>${postgresURL}</arg>
+            <arg>-pguser</arg><arg>${postgresUser}</arg>
+            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
+        </java>
+        <ok to="ImportODF"/>
+        <error to="Kill"/>
+    </action>
+    
+    <action name="ImportODF">
+        <java>
+            <main-class>eu.dnetlib.dhp.migration.step1.MigrateMongoMdstoresApplication</main-class>
+            <arg>-p</arg><arg>${workingPath}/odf_records</arg>
+            <arg>-mongourl</arg><arg>${mongoURL}</arg>
+            <arg>-mongodb</arg><arg>${mongoDb}</arg>
+            <arg>-f</arg><arg>ODF</arg>
+            <arg>-l</arg><arg>store</arg>
+            <arg>-i</arg><arg>cleaned</arg>
+        </java>
+        <ok to="ImportOAF"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="ImportOAF">
+        <java>
+            <main-class>eu.dnetlib.dhp.migration.step1.MigrateMongoMdstoresApplication</main-class>
+            <arg>-p</arg><arg>${workingPath}/oaf_records</arg>
+            <arg>-mongourl</arg><arg>${mongoURL}</arg>
+            <arg>-mongodb</arg><arg>${mongoDb}</arg>
+            <arg>-f</arg><arg>OAF</arg>
+            <arg>-l</arg><arg>store</arg>
+            <arg>-i</arg><arg>cleaned</arg>
+        </java>
+        <ok to="ResetAllEntitiesPath"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="ResetAllEntitiesPath">
+        <fs>
+            <delete path="${workingPath}/all_entities"/>
+        </fs>
+        <ok to="GenerateEntities"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="GenerateEntities">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>GenerateEntities</name>
+            <class>eu.dnetlib.dhp.migration.step2.GenerateEntitiesApplication</class>
+            <jar>dhp-aggregation-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-memory ${sparkExecutorMemory}
+                --executor-cores ${sparkExecutorCores}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener"
+                --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener"
+                --conf spark.sql.warehouse.dir="/user/hive/warehouse"
+            </spark-opts>
+            <arg>-mt</arg> <arg>yarn-cluster</arg>
+            <arg>-s</arg><arg>${workingPath}/db_records,${workingPath}/oaf_records,${workingPath}/odf_records</arg>
+            <arg>-t</arg><arg>${workingPath}/all_entities</arg>
+            <arg>-pgurl</arg><arg>${postgresURL}</arg>
+            <arg>-pguser</arg><arg>${postgresUser}</arg>
+            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
+        </spark>
+        <ok to="ResetGraphPath"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="ResetGraphPath">
+        <fs>
+            <delete path="${graphBasePath}/graph_raw"/>
+            <mkdir path="${graphBasePath}/graph_raw"/>
+        </fs>
+        <ok to="GenerateGraph"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="GenerateGraph">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <master>yarn</master>
+            <mode>cluster</mode>
+            <name>GenerateGraph</name>
+            <class>eu.dnetlib.dhp.migration.step3.DispatchEntitiesApplication</class>
+            <jar>dhp-aggregation-${projectVersion}.jar</jar>
+            <spark-opts>
+                --executor-memory ${sparkExecutorMemory}
+                --executor-cores ${sparkExecutorCores}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener"
+                --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener"
+                --conf spark.sql.warehouse.dir="/user/hive/warehouse"
+            </spark-opts>
+            <arg>-mt</arg> <arg>yarn-cluster</arg>
+            <arg>-s</arg><arg>${workingPath}/all_entities</arg>
+            <arg>-g</arg><arg>${graphBasePath}/graph_raw</arg>
+        </spark>
+        <ok to="End"/>
+        <error to="Kill"/>
+    </action>  
+
+    <end name="End"/>
+</workflow-app>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/regular_step1/oozie_app/config-default.xml

@@ -0,0 +1,18 @@
+<configuration>
+    <property>
+        <name>jobTracker</name>
+        <value>yarnRM</value>
+    </property>
+    <property>
+        <name>nameNode</name>
+        <value>hdfs://nameservice1</value>
+    </property>
+    <property>
+        <name>oozie.use.system.libpath</name>
+        <value>true</value>
+    </property>
+    <property>
+        <name>oozie.action.sharelib.for.spark</name>
+        <value>spark2</value>
+    </property>
+</configuration>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/regular_step1/oozie_app/workflow.xml

@@ -0,0 +1,103 @@
+<workflow-app name="import regular entities as Graph (step 1)" xmlns="uri:oozie:workflow:0.5">
+    <parameters>
+        <property>
+            <name>migrationPathStep1</name>
+            <description>the base path to store hdfs file</description>
+        </property>
+        <property>
+            <name>postgresURL</name>
+            <description>the postgres URL to access to the database</description>
+        </property>
+        <property>
+            <name>postgresUser</name>
+            <description>the user postgres</description>
+        </property>
+        <property>
+            <name>postgresPassword</name>
+            <description>the password postgres</description>
+        </property>
+        <property>
+            <name>mongoURL</name>
+            <description>mongoDB url, example: mongodb://[username:password@]host[:port]</description>
+        </property>
+        <property>
+            <name>mongoDb</name>
+            <description>mongo database</description>
+        </property>
+        <property>
+            <name>sparkDriverMemory</name>
+            <description>memory for driver process</description>
+        </property>
+        <property>
+            <name>sparkExecutorMemory</name>
+            <description>memory for individual executor</description>
+        </property>
+        <property>
+            <name>sparkExecutorCores</name>
+            <description>number of cores used by single executor</description>
+        </property>
+    </parameters>
+
+	<start to="ResetWorkingPath"/>
+
+    <kill name="Kill">
+        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
+    </kill>
+
+    <action name="ResetWorkingPath">
+        <fs>
+            <delete path='${migrationPathStep1}'/>
+            <mkdir path='${migrationPathStep1}'/>
+        </fs>
+        <ok to="ImportDB"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="ImportDB">
+        <java>
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <main-class>eu.dnetlib.dhp.migration.step1.MigrateDbEntitiesApplication</main-class>
+            <arg>-p</arg><arg>${migrationPathStep1}/db_records</arg>
+            <arg>-pgurl</arg><arg>${postgresURL}</arg>
+            <arg>-pguser</arg><arg>${postgresUser}</arg>
+            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
+        </java>
+        <ok to="ImportODF"/>
+        <error to="Kill"/>
+    </action>
+    
+    <action name="ImportODF">
+        <java>
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <main-class>eu.dnetlib.dhp.migration.step1.MigrateMongoMdstoresApplication</main-class>
+            <arg>-p</arg><arg>${migrationPathStep1}/odf_records</arg>
+            <arg>-mongourl</arg><arg>${mongoURL}</arg>
+            <arg>-mongodb</arg><arg>${mongoDb}</arg>
+            <arg>-f</arg><arg>ODF</arg>
+            <arg>-l</arg><arg>store</arg>
+            <arg>-i</arg><arg>cleaned</arg>
+        </java>
+        <ok to="ImportOAF"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="ImportOAF">
+        <java>
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <main-class>eu.dnetlib.dhp.migration.step1.MigrateMongoMdstoresApplication</main-class>
+            <arg>-p</arg><arg>${migrationPathStep1}/oaf_records</arg>
+            <arg>-mongourl</arg><arg>${mongoURL}</arg>
+            <arg>-mongodb</arg><arg>${mongoDb}</arg>
+            <arg>-f</arg><arg>OAF</arg>
+            <arg>-l</arg><arg>store</arg>
+            <arg>-i</arg><arg>cleaned</arg>
+        </java>
+        <ok to="End"/>
+        <error to="Kill"/>
+    </action>
+    	
+    <end name="End"/>
+</workflow-app>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/regular_step2/oozie_app/config-default.xml

@@ -0,0 +1,18 @@
+<configuration>
+    <property>
+        <name>jobTracker</name>
+        <value>yarnRM</value>
+    </property>
+    <property>
+        <name>nameNode</name>
+        <value>hdfs://nameservice1</value>
+    </property>
+    <property>
+        <name>oozie.use.system.libpath</name>
+        <value>true</value>
+    </property>
+    <property>
+        <name>oozie.action.sharelib.for.spark</name>
+        <value>spark2</value>
+    </property>
+</configuration>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/regular_step2/oozie_app/workflow.xml

@@ -0,0 +1,74 @@
+<workflow-app name="import regular entities as Graph (step 2)" xmlns="uri:oozie:workflow:0.5">
+    <parameters>
+        <property>
+            <name>migrationPathStep1</name>
+            <description>the base path to store hdfs file</description>
+        </property>
+        <property>
+            <name>migrationPathStep2</name>
+            <description>the temporary path to store entities before dispatching</description>
+        </property>
+        <property>
+            <name>postgresURL</name>
+            <description>the postgres URL to access to the database</description>
+        </property>
+        <property>
+            <name>postgresUser</name>
+            <description>the user postgres</description>
+        </property>
+        <property>
+            <name>postgresPassword</name>
+            <description>the password postgres</description>
+        </property>
+        <property>
+            <name>sparkDriverMemory</name>
+            <description>memory for driver process</description>
+        </property>
+        <property>
+            <name>sparkExecutorMemory</name>
+            <description>memory for individual executor</description>
+        </property>
+        <property>
+            <name>sparkExecutorCores</name>
+            <description>number of cores used by single executor</description>
+        </property>
+    </parameters>
+
+	<start to="ResetEntities"/>
+
+    <kill name="Kill">
+        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
+    </kill>
+    
+	<action name="ResetEntities">
+        <fs>
+            <delete path='${migrationPathStep2}'/>
+            <mkdir path='${migrationPathStep2}'/>
+        </fs>
+        <ok to="GenerateEntities"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="GenerateEntities">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <master>yarn-cluster</master>
+            <mode>cluster</mode>
+            <name>GenerateEntities</name>
+            <class>eu.dnetlib.dhp.migration.step2.GenerateEntitiesApplication</class>
+            <jar>dhp-aggregation-${projectVersion}.jar</jar>
+            <spark-opts>--executor-memory ${sparkExecutorMemory} --executor-cores ${sparkExecutorCores} --driver-memory=${sparkDriverMemory} --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener" --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener" --conf spark.sql.warehouse.dir="/user/hive/warehouse"</spark-opts>
+            <arg>-mt</arg> <arg>yarn-cluster</arg>
+            <arg>-s</arg><arg>${migrationPathStep1}/db_records,${migrationPathStep1}/oaf_records,${migrationPathStep1}/odf_records</arg>
+            <arg>-t</arg><arg>${migrationPathStep2}/all_entities</arg>
+            <arg>-pgurl</arg><arg>${postgresURL}</arg>
+            <arg>-pguser</arg><arg>${postgresUser}</arg>
+            <arg>-pgpasswd</arg><arg>${postgresPassword}</arg>
+        </spark>
+        <ok to="End"/>
+        <error to="Kill"/>
+    </action>
+
+    <end name="End"/>
+</workflow-app>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/regular_step3/oozie_app/config-default.xml

@@ -0,0 +1,18 @@
+<configuration>
+    <property>
+        <name>jobTracker</name>
+        <value>yarnRM</value>
+    </property>
+    <property>
+        <name>nameNode</name>
+        <value>hdfs://nameservice1</value>
+    </property>
+    <property>
+        <name>oozie.use.system.libpath</name>
+        <value>true</value>
+    </property>
+    <property>
+        <name>oozie.action.sharelib.for.spark</name>
+        <value>spark2</value>
+    </property>
+</configuration>

dhp-workflows/dhp-aggregation/src/main/resources/eu/dnetlib/dhp/migration/wfs/regular_step3/oozie_app/workflow.xml

@@ -0,0 +1,60 @@
+<workflow-app name="import regular entities as Graph (step 3)" xmlns="uri:oozie:workflow:0.5">
+    <parameters>
+        
+        <property>
+            <name>migrationPathStep2</name>
+            <description>the temporary path to store entities before dispatching</description>
+        </property>
+        <property>
+            <name>migrationPathStep3</name>
+            <description>the graph Raw base path</description>
+        </property>
+        <property>
+            <name>sparkDriverMemory</name>
+            <description>memory for driver process</description>
+        </property>
+        <property>
+            <name>sparkExecutorMemory</name>
+            <description>memory for individual executor</description>
+        </property>
+        <property>
+            <name>sparkExecutorCores</name>
+            <description>number of cores used by single executor</description>
+        </property>
+    </parameters>
+
+	<start to="ResetGraph"/>
+
+    <kill name="Kill">
+        <message>Action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
+    </kill>
+
+    <action name="ResetGraph">
+        <fs>
+            <delete path='${migrationPathStep3}'/>
+            <mkdir path='${migrationPathStep3}'/>
+        </fs>
+        <ok to="GenerateGraph"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="GenerateGraph">
+        <spark xmlns="uri:oozie:spark-action:0.2">
+            <job-tracker>${jobTracker}</job-tracker>
+            <name-node>${nameNode}</name-node>
+            <master>yarn-cluster</master>
+            <mode>cluster</mode>
+            <name>GenerateGraph</name>
+            <class>eu.dnetlib.dhp.migration.step3.DispatchEntitiesApplication</class>
+            <jar>dhp-aggregation-${projectVersion}.jar</jar>
+            <spark-opts>--executor-memory ${sparkExecutorMemory} --executor-cores ${sparkExecutorCores} --driver-memory=${sparkDriverMemory} --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener" --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener" --conf spark.sql.warehouse.dir="/user/hive/warehouse"</spark-opts>
+            <arg>-mt</arg> <arg>yarn-cluster</arg>
+            <arg>-s</arg><arg>${migrationPathStep2}/all_entities</arg>
+            <arg>-g</arg><arg>${migrationPathStep3}</arg>
+        </spark>
+        <ok to="End"/>
+        <error to="Kill"/>
+    </action>  
+
+    <end name="End"/>
+</workflow-app>

dhp-workflows/dhp-aggregation/src/test/java/eu/dnetlib/dhp/collection/CollectionJobTest.java

@@ -1,79 +1,87 @@
 package eu.dnetlib.dhp.collection;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
-import eu.dnetlib.dhp.model.mdstore.MetadataRecord;
-import eu.dnetlib.dhp.model.mdstore.Provenance;
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.io.IOUtils;
-import org.junit.*;
-
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.IOUtils;
+import org.junit.After;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import eu.dnetlib.dhp.model.mdstore.MetadataRecord;
+import eu.dnetlib.dhp.model.mdstore.Provenance;
+
 public class CollectionJobTest {
-    private Path testDir;
 
-    @Before
+	private Path testDir;
-    public void setup() throws IOException {
-        testDir = Files.createTempDirectory("dhp-collection");
-    }
 
-    @After
+	@Before
-    public void teadDown() throws IOException {
+	public void setup() throws IOException {
-        FileUtils.deleteDirectory(testDir.toFile());
+		testDir = Files.createTempDirectory("dhp-collection");
-    }
+	}
 
-    @Test
+	@After
-    public void tesCollection() throws Exception {
+	public void teadDown() throws IOException {
-        Provenance provenance = new Provenance("pippo", "puppa", "ns_prefix");
+		FileUtils.deleteDirectory(testDir.toFile());
-        GenerateNativeStoreSparkJob.main(new String[] {
+	}
-                "-mt", "local",
-                "-w",  "wid",
-                "-e",  "XML",
-                "-d",  ""+System.currentTimeMillis(),
-                "-p",  new ObjectMapper().writeValueAsString(provenance),
-                "-x",  "./*[local-name()='record']/*[local-name()='header']/*[local-name()='identifier']",
-                "-i",  this.getClass().getResource("/eu/dnetlib/dhp/collection/native.seq").toString(),
-                "-o",  testDir.toString()+"/store",
-                "-t",  "true",
-                "-ru", "",
-                "-rp", "",
-                "-rh", "",
-                "-ro", "",
-                "-rr", ""});
-        System.out.println(new ObjectMapper().writeValueAsString(provenance));
-    }
 
+	@Test
+	public void tesCollection() throws Exception {
+		final Provenance provenance = new Provenance("pippo", "puppa", "ns_prefix");
+		GenerateNativeStoreSparkJob.main(new String[] {
+				"-mt", "local",
+				"-w", "wid",
+				"-e", "XML",
+				"-d", "" + System.currentTimeMillis(),
+				"-p", new ObjectMapper().writeValueAsString(provenance),
+				"-x", "./*[local-name()='record']/*[local-name()='header']/*[local-name()='identifier']",
+				"-i", this.getClass().getResource("/eu/dnetlib/dhp/collection/native.seq").toString(),
+				"-o", testDir.toString() + "/store",
+				"-t", "true",
+				"-ru", "",
+				"-rp", "",
+				"-rh", "",
+				"-ro", "",
+				"-rr", "" });
+		System.out.println(new ObjectMapper().writeValueAsString(provenance));
+	}
 
+	@Test
+	public void testGenerationMetadataRecord() throws Exception {
 
-    @Test
+		final String xml = IOUtils.toString(this.getClass().getResourceAsStream("./record.xml"));
-    public void testGenerationMetadataRecord() throws Exception {
 
-        final String xml = IOUtils.toString(this.getClass().getResourceAsStream("./record.xml"));
+		final MetadataRecord record = GenerateNativeStoreSparkJob
+				.parseRecord(xml, "./*[local-name()='record']/*[local-name()='header']/*[local-name()='identifier']", "XML", new Provenance("foo", "bar",
+						"ns_prefix"), System.currentTimeMillis(), null, null);
 
-        MetadataRecord record = GenerateNativeStoreSparkJob.parseRecord(xml, "./*[local-name()='record']/*[local-name()='header']/*[local-name()='identifier']", "XML", new Provenance("foo", "bar", "ns_prefix"), System.currentTimeMillis(), null,null);
+		assert record != null;
+		System.out.println(record.getId());
+		System.out.println(record.getOriginalId());
 
-        assert record != null;
+	}
-        System.out.println(record.getId());
-        System.out.println(record.getOriginalId());
 
+	@Test
+	public void TestEquals() throws IOException {
 
-    }
+		final String xml = IOUtils.toString(this.getClass().getResourceAsStream("./record.xml"));
+		final MetadataRecord record = GenerateNativeStoreSparkJob
+				.parseRecord(xml, "./*[local-name()='record']/*[local-name()='header']/*[local-name()='identifier']", "XML", new Provenance("foo", "bar",
+						"ns_prefix"), System.currentTimeMillis(), null, null);
+		final MetadataRecord record1 = GenerateNativeStoreSparkJob
+				.parseRecord(xml, "./*[local-name()='record']/*[local-name()='header']/*[local-name()='identifier']", "XML", new Provenance("foo", "bar",
+						"ns_prefix"), System.currentTimeMillis(), null, null);
+		assert record != null;
+		record.setBody("ciao");
+		assert record1 != null;
+		record1.setBody("mondo");
+		Assert.assertEquals(record, record1);
 
-
+	}
-    @Test
-    public void TestEquals () throws IOException {
-
-        final String xml = IOUtils.toString(this.getClass().getResourceAsStream("./record.xml"));
-        MetadataRecord record = GenerateNativeStoreSparkJob.parseRecord(xml, "./*[local-name()='record']/*[local-name()='header']/*[local-name()='identifier']", "XML", new Provenance("foo", "bar", "ns_prefix"), System.currentTimeMillis(), null,null);
-        MetadataRecord record1 = GenerateNativeStoreSparkJob.parseRecord(xml, "./*[local-name()='record']/*[local-name()='header']/*[local-name()='identifier']", "XML", new Provenance("foo", "bar", "ns_prefix"), System.currentTimeMillis(), null,null);
-        assert record != null;
-        record.setBody("ciao");
-        assert record1 != null;
-        record1.setBody("mondo");
-        Assert.assertEquals(record, record1);
-
-    }
 
 }

dhp-workflows/dhp-dedup/src/main/java/eu/dnetlib/dedup/SparkCreateConnectedComponent.java

@@ -74,6 +74,6 @@ public class SparkCreateConnectedComponent {
     }
 
     public  static long getHashcode(final String id) {
-        return Hashing.murmur3_128().hashUnencodedChars(id).asLong();
+        return Hashing.murmur3_128().hashString(id).asLong();
     }
 }

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/graph/GraphMappingUtils.java

@@ -18,13 +18,13 @@ public class GraphMappingUtils {
 	public final static Map<String, Class> types = Maps.newHashMap();
 
 	static {
-			types.put("datasource", Datasource.class);
+		types.put("datasource", Datasource.class);
-			types.put("organization", Organization.class);
+		types.put("organization", Organization.class);
 		types.put("project", Project.class);
-			types.put("dataset", Dataset.class);
+		types.put("dataset", Dataset.class);
-			types.put("otherresearchproduct", OtherResearchProduct.class);
+		types.put("otherresearchproduct", OtherResearchProduct.class);
-			types.put("software", Software.class);
+		types.put("software", Software.class);
-			types.put("publication", Publication.class);
+		types.put("publication", Publication.class);
 		types.put("relation", Relation.class);
 	}
 

dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/graph/SparkGraphImporterJob.java

@@ -3,7 +3,7 @@ package eu.dnetlib.dhp.graph;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import eu.dnetlib.dhp.application.ArgumentApplicationParser;
 import org.apache.commons.io.IOUtils;
-import org.apache.hadoop.io.Text;
+import org.apache.spark.SparkConf;
 import org.apache.spark.api.java.JavaSparkContext;
 import org.apache.spark.sql.Encoders;
 import org.apache.spark.sql.SaveMode;
@@ -13,31 +13,40 @@ public class SparkGraphImporterJob {
 
     public static void main(String[] args) throws Exception {
 
-        final ArgumentApplicationParser parser = new ArgumentApplicationParser(IOUtils.toString(SparkGraphImporterJob.class.getResourceAsStream("/eu/dnetlib/dhp/graph/input_graph_parameters.json")));
+        final ArgumentApplicationParser parser = new ArgumentApplicationParser(
+                IOUtils.toString(SparkGraphImporterJob.class.getResourceAsStream(
+                        "/eu/dnetlib/dhp/graph/input_graph_parameters.json")));
         parser.parseArgument(args);
-        final SparkSession spark = SparkSession
+
+        try(SparkSession spark = getSparkSession(parser)) {
+
+            final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext());
+            final String inputPath = parser.get("sourcePath");
+            final String hiveDbName = parser.get("hive_db_name");
+
+            spark.sql(String.format("DROP DATABASE IF EXISTS %s CASCADE", hiveDbName));
+            spark.sql(String.format("CREATE DATABASE IF NOT EXISTS %s", hiveDbName));
+
+            // Read the input file and convert it into RDD of serializable object
+            GraphMappingUtils.types.forEach((name, clazz) -> spark.createDataset(sc.textFile(inputPath + "/" + name)
+                    .map(s -> new ObjectMapper().readValue(s, clazz))
+                    .rdd(), Encoders.bean(clazz))
+                    .write()
+                    .mode(SaveMode.Overwrite)
+                    .saveAsTable(hiveDbName + "." + name));
+        }
+    }
+
+    private static SparkSession getSparkSession(ArgumentApplicationParser parser) {
+        SparkConf conf = new SparkConf();
+        conf.set("hive.metastore.uris", parser.get("hive_metastore_uris"));
+
+        return SparkSession
                 .builder()
                 .appName(SparkGraphImporterJob.class.getSimpleName())
                 .master(parser.get("master"))
-                .config("hive.metastore.uris", parser.get("hive_metastore_uris"))
+                .config(conf)
                 .enableHiveSupport()
                 .getOrCreate();
-
-        final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext());
-        final String inputPath = parser.get("sourcePath");
-        final String hiveDbName = parser.get("hive_db_name");
-
-        spark.sql(String.format("CREATE DATABASE IF NOT EXISTS %s", hiveDbName));
-
-        // Read the input file and convert it into RDD of serializable object
-        GraphMappingUtils.types.forEach((name, clazz) -> {
-            spark.createDataset(sc.sequenceFile(inputPath + "/" + name, Text.class, Text.class)
-                    .map(s -> new ObjectMapper().readValue(s._2().toString(), clazz))
-                    .rdd(), Encoders.bean(clazz))
-                .write()
-                .mode(SaveMode.Overwrite)
-                .saveAsTable(hiveDbName + "." + name);
-        });
-
     }
 }

dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/graph/oozie_app/lib/scripts/postprocessing.sql

@@ -0,0 +1,8 @@
+CREATE view result as
+    select id, dateofcollection, bestaccessright, datainfo, collectedfrom, pid, author, resulttype, language, country, subject, description, dateofacceptance, embargoenddate, resourcetype, context, instance from ${hive_db_name}.publication p
+    union all
+    select id, dateofcollection, bestaccessright, datainfo, collectedfrom, pid, author, resulttype, language, country, subject, description, dateofacceptance, embargoenddate, resourcetype, context, instance from ${hive_db_name}.dataset d
+    union all
+    select id, dateofcollection, bestaccessright, datainfo, collectedfrom, pid, author, resulttype, language, country, subject, description, dateofacceptance, embargoenddate, resourcetype, context, instance from ${hive_db_name}.software s
+    union all
+    select id, dateofcollection, bestaccessright, datainfo, collectedfrom, pid, author, resulttype, language, country, subject, description, dateofacceptance, embargoenddate, resourcetype, context, instance from ${hive_db_name}.otherresearchproduct o;

dhp-workflows/dhp-graph-mapper/src/main/resources/eu/dnetlib/dhp/graph/oozie_app/workflow.xml

@@ -1,4 +1,5 @@
 <workflow-app name="import_infospace_graph" xmlns="uri:oozie:workflow:0.5">
+
     <parameters>
         <property>
             <name>sourcePath</name>
@@ -22,6 +23,21 @@
         </property>
     </parameters>
 
+    <global>
+        <job-tracker>${jobTracker}</job-tracker>
+        <name-node>${nameNode}</name-node>
+        <configuration>
+            <property>
+                <name>mapreduce.job.queuename</name>
+                <value>${queueName}</value>
+            </property>
+            <property>
+                <name>oozie.launcher.mapred.job.queue.name</name>
+                <value>${oozieLauncherQueueName}</value>
+            </property>
+        </configuration>
+    </global>
+
     <start to="MapGraphIntoDataFrame"/>
 
     <kill name="Kill">
@@ -30,19 +46,39 @@
 
     <action name="MapGraphIntoDataFrame">
         <spark xmlns="uri:oozie:spark-action:0.2">
-            <job-tracker>${jobTracker}</job-tracker>
+            <master>yarn</master>
-            <name-node>${nameNode}</name-node>
-            <master>yarn-cluster</master>
             <mode>cluster</mode>
             <name>MapGraphIntoDataFrame</name>
             <class>eu.dnetlib.dhp.graph.SparkGraphImporterJob</class>
             <jar>dhp-graph-mapper-${projectVersion}.jar</jar>
-            <spark-opts>--executor-memory ${sparkExecutorMemory} --executor-cores ${sparkExecutorCores} --driver-memory=${sparkDriverMemory} --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener" --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener" --conf spark.sql.warehouse.dir="/user/hive/warehouse"</spark-opts>
+            <spark-opts>
+                --executor-memory ${sparkExecutorMemory}
+                --executor-cores ${sparkExecutorCores}
+                --driver-memory=${sparkDriverMemory}
+                --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener"
+                --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener"
+                --conf spark.sql.warehouse.dir="/user/hive/warehouse"
+            </spark-opts>
             <arg>-mt</arg> <arg>yarn-cluster</arg>
             <arg>--sourcePath</arg><arg>${sourcePath}</arg>
             <arg>--hive_db_name</arg><arg>${hive_db_name}</arg>
             <arg>--hive_metastore_uris</arg><arg>${hive_metastore_uris}</arg>
         </spark>
+        <ok to="PostProcessing"/>
+        <error to="Kill"/>
+    </action>
+
+    <action name="PostProcessing">
+        <hive xmlns="uri:oozie:hive-action:0.2">
+            <configuration>
+                <property>
+                    <name>oozie.hive.defaults</name>
+                    <value>hive-site.xml</value>
+                </property>
+            </configuration>
+            <script>lib/scripts/postprocessing.sql</script>
+            <param>hive_db_name=${hive_db_name}</param>
+        </hive>
         <ok to="End"/>
         <error to="Kill"/>
     </action>

dhp-workflows/dhp-graph-provision/job-override.properties

@@ -1,10 +1,12 @@
-sparkDriverMemory=8G
+sparkDriverMemory=10G
-sparkExecutorMemory=8G
+sparkExecutorMemory=15G
 #isLookupUrl=http://services.openaire.eu:8280/is/services/isLookUp
 isLookupUrl=http://beta.services.openaire.eu:8280/is/services/isLookUp?wsdl
 sourcePath=/tmp/db_openaireplus_services.export_dhp.2020.02.03
 outputPath=/tmp/openaire_provision
 format=TMF
 batchSize=2000
+sparkExecutorCoresForJoining=128
 sparkExecutorCoresForIndexing=64
-reuseRecords=true
+reuseRecords=false
+otherDsTypeId=scholarcomminfra, infospace, pubsrepository::mock, entityregistry, entityregistry::projects, entityregistry::repositories, websource

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/graph/GraphJoiner.java

@@ -1,31 +1,32 @@
 package eu.dnetlib.dhp.graph;
 
-import com.fasterxml.jackson.annotation.JsonInclude;
+import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.collect.Iterables;
-import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
 import com.jayway.jsonpath.DocumentContext;
 import com.jayway.jsonpath.JsonPath;
 import eu.dnetlib.dhp.graph.model.*;
 import eu.dnetlib.dhp.graph.utils.ContextMapper;
 import eu.dnetlib.dhp.graph.utils.GraphMappingUtils;
+import eu.dnetlib.dhp.graph.utils.RelationPartitioner;
 import eu.dnetlib.dhp.graph.utils.XmlRecordFactory;
 import eu.dnetlib.dhp.schema.oaf.*;
 import org.apache.hadoop.io.Text;
 import org.apache.hadoop.io.compress.GzipCodec;
 import org.apache.hadoop.mapred.SequenceFileOutputFormat;
+import org.apache.spark.SparkContext;
 import org.apache.spark.api.java.JavaPairRDD;
 import org.apache.spark.api.java.JavaRDD;
 import org.apache.spark.api.java.JavaSparkContext;
 import org.apache.spark.api.java.function.PairFunction;
 import org.apache.spark.sql.SparkSession;
+import org.apache.spark.util.LongAccumulator;
 import scala.Tuple2;
 
 import java.io.IOException;
 import java.io.Serializable;
-import java.util.HashSet;
+import java.util.Map;
-import java.util.List;
-import java.util.stream.Collectors;
 
 import static eu.dnetlib.dhp.graph.utils.GraphMappingUtils.asRelatedEntity;
 
@@ -45,10 +46,12 @@ import static eu.dnetlib.dhp.graph.utils.GraphMappingUtils.asRelatedEntity;
  * 3) we only need a subset of fields from the related entities, so we introduce a distinction between E_source = S
  *      and E_target = T. Objects in T are heavily pruned by all the unnecessary information
  *
- * 4) perform the join as (((T join R) union S) groupby S.id) yield S -> [ <T, R> ]
+ * 4) perform the join as (((T.id join R.target) union S) groupby S.id) yield S -> [ <T, R> ]
  */
 public class GraphJoiner implements Serializable {
 
+    private Map<String, LongAccumulator> accumulators = Maps.newHashMap();
+
     public static final int MAX_RELS = 100;
 
     public static final String schemaLocation = "https://www.openaire.eu/schema/1.0/oaf-1.0.xsd";
@@ -61,24 +64,30 @@ public class GraphJoiner implements Serializable {
 
     private String outPath;
 
-    public GraphJoiner(SparkSession spark, ContextMapper contextMapper, String inputPath, String outPath) {
+    private String otherDsTypeId;
+
+    public GraphJoiner(SparkSession spark, ContextMapper contextMapper, String otherDsTypeId, String inputPath, String outPath) {
         this.spark = spark;
         this.contextMapper = contextMapper;
+        this.otherDsTypeId = otherDsTypeId;
         this.inputPath = inputPath;
         this.outPath = outPath;
+
+        final SparkContext sc = spark.sparkContext();
+        prepareAccumulators(sc);
     }
 
     public GraphJoiner adjacencyLists() {
-        final JavaSparkContext sc = new JavaSparkContext(getSpark().sparkContext());
+        final JavaSparkContext jsc = new JavaSparkContext(getSpark().sparkContext());
 
         // read each entity
-        JavaPairRDD<String, TypedRow> datasource = readPathEntity(sc, getInputPath(), "datasource");
+        JavaPairRDD<String, TypedRow> datasource = readPathEntity(jsc, getInputPath(), "datasource");
-        JavaPairRDD<String, TypedRow> organization = readPathEntity(sc, getInputPath(), "organization");
+        JavaPairRDD<String, TypedRow> organization = readPathEntity(jsc, getInputPath(), "organization");
-        JavaPairRDD<String, TypedRow> project = readPathEntity(sc, getInputPath(), "project");
+        JavaPairRDD<String, TypedRow> project = readPathEntity(jsc, getInputPath(), "project");
-        JavaPairRDD<String, TypedRow> dataset = readPathEntity(sc, getInputPath(), "dataset");
+        JavaPairRDD<String, TypedRow> dataset = readPathEntity(jsc, getInputPath(), "dataset");
-        JavaPairRDD<String, TypedRow> otherresearchproduct = readPathEntity(sc, getInputPath(), "otherresearchproduct");
+        JavaPairRDD<String, TypedRow> otherresearchproduct = readPathEntity(jsc, getInputPath(), "otherresearchproduct");
-        JavaPairRDD<String, TypedRow> software = readPathEntity(sc, getInputPath(), "software");
+        JavaPairRDD<String, TypedRow> software = readPathEntity(jsc, getInputPath(), "software");
-        JavaPairRDD<String, TypedRow> publication = readPathEntity(sc, getInputPath(), "publication");
+        JavaPairRDD<String, TypedRow> publication = readPathEntity(jsc, getInputPath(), "publication");
 
         // create the union between all the entities
         final String entitiesPath = getOutPath() + "/entities";
@@ -93,31 +102,43 @@ public class GraphJoiner implements Serializable {
                 .map(GraphMappingUtils::serialize)
                 .saveAsTextFile(entitiesPath, GzipCodec.class);
 
-        JavaPairRDD<String, EntityRelEntity> entities = sc.textFile(entitiesPath)
+        JavaPairRDD<String, EntityRelEntity> entities = jsc.textFile(entitiesPath)
                 .map(t -> new ObjectMapper().readValue(t, EntityRelEntity.class))
                 .mapToPair(t -> new Tuple2<>(t.getSource().getSourceId(), t));
 
+        final String relationPath = getOutPath() + "/relation";
         // reads the relationships
-        final JavaPairRDD<String, EntityRelEntity> relation = readPathRelation(sc, getInputPath())
+        final JavaPairRDD<SortableRelationKey, EntityRelEntity> rels = readPathRelation(jsc, getInputPath())
-                .filter(r -> !r.getDeleted()) //only consider those that are not virtually deleted
+                .filter(rel -> !rel.getDeleted()) //only consider those that are not virtually deleted
                 .map(p -> new EntityRelEntity().setRelation(p))
-                .mapToPair(p -> new Tuple2<>(p.getRelation().getSourceId(), p))
+                .mapToPair(p -> new Tuple2<>(SortableRelationKey.from(p), p));
-                .groupByKey()
+        rels
+                .groupByKey(new RelationPartitioner(rels.getNumPartitions()))
                 .map(p -> Iterables.limit(p._2(), MAX_RELS))
                 .flatMap(p -> p.iterator())
+                .map(s -> new ObjectMapper().writeValueAsString(s))
+                .saveAsTextFile(relationPath, GzipCodec.class);
+
+        final JavaPairRDD<String, EntityRelEntity> relation = jsc.textFile(relationPath)
+                .map(s -> new ObjectMapper().readValue(s, EntityRelEntity.class))
                 .mapToPair(p -> new Tuple2<>(p.getRelation().getTargetId(), p));
 
-        //final String bySource = getOutPath() + "/1_join_by_target";
+        final String bySourcePath = getOutPath() + "/join_by_source";
-        JavaPairRDD<String, EntityRelEntity> bySource = relation
+        relation
                 .join(entities
                         .filter(e -> !e._2().getSource().getDeleted())
                         .mapToPair(e -> new Tuple2<>(e._1(), asRelatedEntity(e._2()))))
                 .map(s -> new EntityRelEntity()
                         .setRelation(s._2()._1().getRelation())
                         .setTarget(s._2()._2().getSource()))
+                .map(j -> new ObjectMapper().writeValueAsString(j))
+                .saveAsTextFile(bySourcePath, GzipCodec.class);
+
+        JavaPairRDD<String, EntityRelEntity> bySource = jsc.textFile(bySourcePath)
+                .map(e -> getObjectMapper().readValue(e, EntityRelEntity.class))
                 .mapToPair(t -> new Tuple2<>(t.getRelation().getSourceId(), t));
 
-        final XmlRecordFactory recordFactory = new XmlRecordFactory(contextMapper, false, schemaLocation, new HashSet<>());
+        final XmlRecordFactory recordFactory = new XmlRecordFactory(accumulators, contextMapper, false, schemaLocation, otherDsTypeId);
         entities
                 .union(bySource)
                 .groupByKey()   // by source id
@@ -130,20 +151,6 @@ public class GraphJoiner implements Serializable {
         return this;
     }
 
-    public GraphJoiner asXML() {
-        final JavaSparkContext sc = new JavaSparkContext(getSpark().sparkContext());
-        final XmlRecordFactory recordFactory = new XmlRecordFactory(contextMapper, true, "", new HashSet<>());
-        final ObjectMapper mapper = new ObjectMapper();
-
-        final String joinedEntitiesPath = getOutPath() + "/1_joined_entities";
-        sc.textFile(joinedEntitiesPath)
-                .map(s -> mapper.readValue(s, JoinedEntity.class))
-                .mapToPair(je -> new Tuple2<>(new Text(je.getEntity().getId()), new Text(recordFactory.build(je))))
-                .saveAsHadoopFile(getOutPath() + "/2_xml", Text.class, Text.class, SequenceFileOutputFormat.class, GzipCodec.class);
-
-        return this;
-    }
-
     public SparkSession getSpark() {
         return spark;
     }
@@ -158,24 +165,23 @@ public class GraphJoiner implements Serializable {
 
     // HELPERS
 
-    private OafEntity parseOaf(final String json, final String type) {
+    private OafEntity parseOaf(final String json, final String type, final ObjectMapper mapper) {
-        final ObjectMapper o = new ObjectMapper();
         try {
             switch (GraphMappingUtils.EntityType.valueOf(type)) {
                 case publication:
-                    return o.readValue(json, Publication.class);
+                    return mapper.readValue(json, Publication.class);
                 case dataset:
-                    return o.readValue(json, Dataset.class);
+                    return mapper.readValue(json, Dataset.class);
                 case otherresearchproduct:
-                    return o.readValue(json, OtherResearchProduct.class);
+                    return mapper.readValue(json, OtherResearchProduct.class);
                 case software:
-                    return o.readValue(json, Software.class);
+                    return mapper.readValue(json, Software.class);
                 case datasource:
-                    return o.readValue(json, Datasource.class);
+                    return mapper.readValue(json, Datasource.class);
                 case organization:
-                    return o.readValue(json, Organization.class);
+                    return mapper.readValue(json, Organization.class);
                 case project:
-                    return o.readValue(json, Project.class);
+                    return mapper.readValue(json, Project.class);
                 default:
                     throw new IllegalArgumentException("invalid type: " + type);
             }
@@ -185,26 +191,26 @@ public class GraphJoiner implements Serializable {
     }
 
     private JoinedEntity toJoinedEntity(Tuple2<String, Iterable<EntityRelEntity>> p) {
-        final ObjectMapper o = new ObjectMapper();
+        final ObjectMapper mapper = getObjectMapper();
         final JoinedEntity j = new JoinedEntity();
-        final Links links2 = new Links();
+        final Links links = new Links();
         for(EntityRelEntity rel : p._2()) {
             if (rel.hasMainEntity() & j.getEntity() == null) {
                 j.setType(rel.getSource().getType());
-                j.setEntity(parseOaf(rel.getSource().getOaf(), rel.getSource().getType()));
+                j.setEntity(parseOaf(rel.getSource().getOaf(), rel.getSource().getType(), mapper));
             }
             if (rel.hasRelatedEntity()) {
                 try {
-                    links2.add(
+                    links.add(
                             new eu.dnetlib.dhp.graph.model.Tuple2()
-                                    .setRelation(o.readValue(rel.getRelation().getOaf(), Relation.class))
+                                    .setRelation(mapper.readValue(rel.getRelation().getOaf(), Relation.class))
-                                    .setRelatedEntity(o.readValue(rel.getTarget().getOaf(), RelatedEntity.class)));
+                                    .setRelatedEntity(mapper.readValue(rel.getTarget().getOaf(), RelatedEntity.class)));
                 } catch (IOException e) {
                     throw new IllegalArgumentException(e);
                 }
             }
         }
-        j.setLinks(links2);
+        j.setLinks(links);
         if (j.getEntity() == null) {
             throw new IllegalStateException("missing main entity on '" + p._1() + "'");
         }
@@ -220,9 +226,8 @@ public class GraphJoiner implements Serializable {
      * @return the JavaPairRDD<String, TypedRow> indexed by entity identifier
      */
     private JavaPairRDD<String, TypedRow> readPathEntity(final JavaSparkContext sc, final String inputPath, final String type) {
-        return sc.sequenceFile(inputPath + "/" + type, Text.class, Text.class)
+        return sc.textFile(inputPath + "/" + type)
-                .mapToPair((PairFunction<Tuple2<Text, Text>, String, TypedRow>) item -> {
+                .mapToPair((PairFunction<String, String, TypedRow>) s -> {
-                    final String s = item._2().toString();
                     final DocumentContext json = JsonPath.parse(s);
                     final String id = json.read("$.id");
                     return new Tuple2<>(id, new TypedRow()
@@ -241,17 +246,46 @@ public class GraphJoiner implements Serializable {
      * @return the JavaRDD<TypedRow> containing all the relationships
      */
     private JavaRDD<TypedRow> readPathRelation(final JavaSparkContext sc, final String inputPath) {
-        return sc.sequenceFile(inputPath + "/relation", Text.class, Text.class)
+        return sc.textFile(inputPath + "/relation")
-                .map(item -> {
+                .map(s -> {
-                    final String s = item._2().toString();
                     final DocumentContext json = JsonPath.parse(s);
                     return new TypedRow()
                             .setSourceId(json.read("$.source"))
                             .setTargetId(json.read("$.target"))
                             .setDeleted(json.read("$.dataInfo.deletedbyinference"))
                             .setType("relation")
+                            .setRelType("$.relType")
+                            .setSubRelType("$.subRelType")
+                            .setRelClass("$.relClass")
                             .setOaf(s);
                 });
     }
 
+    private ObjectMapper getObjectMapper() {
+        return new ObjectMapper().configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
+    }
+
+    private void prepareAccumulators(SparkContext sc) {
+        accumulators.put("resultResult_similarity_isAmongTopNSimilarDocuments", sc.longAccumulator("resultResult_similarity_isAmongTopNSimilarDocuments"));
+        accumulators.put("resultResult_similarity_hasAmongTopNSimilarDocuments", sc.longAccumulator("resultResult_similarity_hasAmongTopNSimilarDocuments"));
+        accumulators.put("resultResult_supplement_isSupplementTo", sc.longAccumulator("resultResult_supplement_isSupplementTo"));
+        accumulators.put("resultResult_supplement_isSupplementedBy", sc.longAccumulator("resultResult_supplement_isSupplementedBy"));
+        accumulators.put("resultResult_dedup_isMergedIn", sc.longAccumulator("resultResult_dedup_isMergedIn"));
+        accumulators.put("resultResult_dedup_merges", sc.longAccumulator("resultResult_dedup_merges"));
+
+        accumulators.put("resultResult_publicationDataset_isRelatedTo", sc.longAccumulator("resultResult_publicationDataset_isRelatedTo"));
+        accumulators.put("resultResult_relationship_isRelatedTo", sc.longAccumulator("resultResult_relationship_isRelatedTo"));
+        accumulators.put("resultProject_outcome_isProducedBy", sc.longAccumulator("resultProject_outcome_isProducedBy"));
+        accumulators.put("resultProject_outcome_produces", sc.longAccumulator("resultProject_outcome_produces"));
+        accumulators.put("resultOrganization_affiliation_isAuthorInstitutionOf", sc.longAccumulator("resultOrganization_affiliation_isAuthorInstitutionOf"));
+
+        accumulators.put("resultOrganization_affiliation_hasAuthorInstitution", sc.longAccumulator("resultOrganization_affiliation_hasAuthorInstitution"));
+        accumulators.put("projectOrganization_participation_hasParticipant", sc.longAccumulator("projectOrganization_participation_hasParticipant"));
+        accumulators.put("projectOrganization_participation_isParticipant", sc.longAccumulator("projectOrganization_participation_isParticipant"));
+        accumulators.put("organizationOrganization_dedup_isMergedIn", sc.longAccumulator("organizationOrganization_dedup_isMergedIn"));
+        accumulators.put("organizationOrganization_dedup_merges", sc.longAccumulator("resultProject_outcome_produces"));
+        accumulators.put("datasourceOrganization_provision_isProvidedBy", sc.longAccumulator("datasourceOrganization_provision_isProvidedBy"));
+        accumulators.put("datasourceOrganization_provision_provides", sc.longAccumulator("datasourceOrganization_provision_provides"));
+    }
+
 }

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/graph/SparkXmlRecordBuilderJob.java

@@ -24,6 +24,7 @@ public class SparkXmlRecordBuilderJob {
             final String inputPath = parser.get("sourcePath");
             final String outputPath = parser.get("outputPath");
             final String isLookupUrl = parser.get("isLookupUrl");
+            final String otherDsTypeId = parser.get("otherDsTypeId");
 
             final FileSystem fs = FileSystem.get(spark.sparkContext().hadoopConfiguration());
             if (fs.exists(new Path(outputPath))) {
@@ -31,8 +32,9 @@ public class SparkXmlRecordBuilderJob {
                 fs.mkdirs(new Path(outputPath));
             }
 
-            new GraphJoiner(spark, ContextMapper.fromIS(isLookupUrl), inputPath, outputPath)
+            new GraphJoiner(spark, ContextMapper.fromIS(isLookupUrl), otherDsTypeId, inputPath, outputPath)
                     .adjacencyLists();
+                    //.asXML();
         }
     }
 

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/graph/model/SortableRelationKey.java

@@ -0,0 +1,99 @@
+package eu.dnetlib.dhp.graph.model;
+
+import com.google.common.collect.ComparisonChain;
+import com.google.common.collect.Maps;
+
+import java.io.Serializable;
+import java.util.Map;
+
+/**
+ * Allows to sort relationships according to the priority defined in weights map.
+ */
+public class SortableRelationKey implements Comparable<SortableRelationKey>, Serializable {
+
+    private String sourceId;
+    private String targetId;
+
+    private String relType;
+    private String subRelType;
+    private String relClass;
+
+    private final static Map<String, Integer> weights = Maps.newHashMap();
+
+    static {
+        weights.put("outcome", 0);
+        weights.put("supplement", 1);
+        weights.put("publicationDataset", 2);
+        weights.put("relationship", 3);
+        weights.put("similarity", 4);
+        weights.put("affiliation", 5);
+
+        weights.put("provision", 6);
+        weights.put("participation", 7);
+        weights.put("dedup", 8);
+    }
+
+    public static SortableRelationKey from(final EntityRelEntity e) {
+        return new SortableRelationKey()
+                .setSourceId(e.getRelation().getSourceId())
+                .setTargetId(e.getRelation().getTargetId())
+                .setRelType(e.getRelation().getRelType())
+                .setSubRelType(e.getRelation().getSubRelType())
+                .setRelClass(e.getRelation().getRelClass());
+    }
+
+    public String getSourceId() {
+        return sourceId;
+    }
+
+    public SortableRelationKey setSourceId(String sourceId) {
+        this.sourceId = sourceId;
+        return this;
+    }
+
+    public String getTargetId() {
+        return targetId;
+    }
+
+    public SortableRelationKey setTargetId(String targetId) {
+        this.targetId = targetId;
+        return this;
+    }
+
+    public String getRelType() {
+        return relType;
+    }
+
+    public SortableRelationKey setRelType(String relType) {
+        this.relType = relType;
+        return this;
+    }
+
+    public String getSubRelType() {
+        return subRelType;
+    }
+
+    public SortableRelationKey setSubRelType(String subRelType) {
+        this.subRelType = subRelType;
+        return this;
+    }
+
+    public String getRelClass() {
+        return relClass;
+    }
+
+    public SortableRelationKey setRelClass(String relClass) {
+        this.relClass = relClass;
+        return this;
+    }
+
+    @Override
+    public int compareTo(SortableRelationKey o) {
+        return ComparisonChain.start()
+                .compare(weights.get(getSubRelType()), weights.get(o.getSubRelType()))
+                .compare(getSourceId(), o.getSourceId())
+                .compare(getTargetId(), o.getTargetId())
+                .result();
+    }
+
+}

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/graph/model/TypedRow.java

@@ -12,6 +12,10 @@ public class TypedRow implements Serializable {
 
     private String type;
 
+    private String relType;
+    private String subRelType;
+    private String relClass;
+
     private String oaf;
 
     public String getSourceId() {
@@ -50,6 +54,33 @@ public class TypedRow implements Serializable {
         return this;
     }
 
+    public String getRelType() {
+        return relType;
+    }
+
+    public TypedRow setRelType(String relType) {
+        this.relType = relType;
+        return this;
+    }
+
+    public String getSubRelType() {
+        return subRelType;
+    }
+
+    public TypedRow setSubRelType(String subRelType) {
+        this.subRelType = subRelType;
+        return this;
+    }
+
+    public String getRelClass() {
+        return relClass;
+    }
+
+    public TypedRow setRelClass(String relClass) {
+        this.relClass = relClass;
+        return this;
+    }
+
     public String getOaf() {
         return oaf;
     }

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/graph/utils/GraphMappingUtils.java

@@ -26,6 +26,8 @@ import static org.apache.commons.lang3.StringUtils.*;
 
 public class GraphMappingUtils {
 
+    public static final String SEPARATOR = "_";
+
     public enum EntityType {
         publication, dataset, otherresearchproduct, software, datasource, organization, project
     }
@@ -38,34 +40,6 @@ public class GraphMappingUtils {
 
     public static Set<String> instanceFieldFilter = Sets.newHashSet("instancetype", "hostedby", "license", "accessright", "collectedfrom", "dateofacceptance", "distributionlocation");
 
-    private static BiMap<String, String> relClassMapping = HashBiMap.create();
-
-    static {
-        relClassMapping.put("isAuthorInstitutionOf", "hasAuthorInstitution");
-        relClassMapping.put("isMergedIn", "merges");
-        relClassMapping.put("isProducedBy", "produces");
-        relClassMapping.put("hasParticipant", "isParticipant");
-        relClassMapping.put("isProvidedBy", "provides");
-        relClassMapping.put("isRelatedTo", "isRelatedTo");
-        relClassMapping.put("isAmongTopNSimilarDocuments", "hasAmongTopNSimilarDocuments");
-        relClassMapping.put("isRelatedTo", "isRelatedTo");
-        relClassMapping.put("isSupplementTo", "isSupplementedBy");
-    }
-
-    public static String getInverseRelClass(final String relClass) {
-        String res = relClassMapping.get(relClass);
-        if (isNotBlank(res)) {
-            return res;
-        }
-        res = relClassMapping.inverse().get(relClass);
-
-        if (isNotBlank(res)) {
-            return res;
-        }
-
-        throw new IllegalArgumentException("unable to find an inverse relationship class for term: " + relClass);
-    }
-
     private static final String schemeTemplate = "dnet:%s_%s_relations";
 
     private static Map<EntityType, MainEntityType> entityMapping = Maps.newHashMap();
@@ -158,7 +132,7 @@ public class GraphMappingUtils {
                 re.setLegalname(j.read("$.legalname.value"));
                 re.setLegalshortname(j.read("$.legalshortname.value"));
                 re.setCountry(asQualifier(j.read("$.country")));
-
+                re.setWebsiteurl(j.read("$.websiteurl.value"));
                 break;
             case project:
                 re.setProjectTitle(j.read("$.title.value"));
@@ -250,5 +224,8 @@ public class GraphMappingUtils {
         return s;
     }
 
+    public static String getRelDescriptor(String relType, String subRelType, String relClass) {
+        return relType + SEPARATOR + subRelType + SEPARATOR + relClass;
+    }
 
 }

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/graph/utils/RelationPartitioner.java

@@ -0,0 +1,29 @@
+package eu.dnetlib.dhp.graph.utils;
+
+import eu.dnetlib.dhp.graph.model.SortableRelationKey;
+import org.apache.spark.Partitioner;
+import org.apache.spark.util.Utils;
+
+/**
+ * Used in combination with SortableRelationKey, allows to partition the records by source id, therefore
+ * allowing to sort relations sharing the same source id by the ordering defined in SortableRelationKey.
+ */
+public class RelationPartitioner extends Partitioner {
+
+    private int numPartitions;
+
+    public RelationPartitioner(int numPartitions) {
+        this.numPartitions = numPartitions;
+    }
+
+    @Override
+    public int numPartitions() {
+        return numPartitions;
+    }
+
+    @Override
+    public int getPartition(Object key) {
+        return Utils.nonNegativeMod(((SortableRelationKey) key).getSourceId().hashCode(), numPartitions());
+    }
+
+}

dhp-workflows/dhp-graph-provision/src/main/java/eu/dnetlib/dhp/graph/utils/XmlRecordFactory.java

@@ -3,6 +3,7 @@ package eu.dnetlib.dhp.graph.utils;
 import com.google.common.base.Joiner;
 import com.google.common.base.Splitter;
 import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
 import com.google.common.collect.Sets;
 import com.mycila.xmltool.XMLDoc;
 import com.mycila.xmltool.XMLTag;
@@ -11,6 +12,8 @@ import eu.dnetlib.dhp.graph.model.RelatedEntity;
 import eu.dnetlib.dhp.graph.model.Tuple2;
 import eu.dnetlib.dhp.schema.oaf.Result;
 import eu.dnetlib.dhp.schema.oaf.*;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.spark.util.LongAccumulator;
 import org.dom4j.Document;
 import org.dom4j.DocumentException;
 import org.dom4j.Element;
@@ -27,6 +30,7 @@ import java.io.Serializable;
 import java.io.StringReader;
 import java.io.StringWriter;
 import java.util.List;
+import java.util.Map;
 import java.util.Set;
 import java.util.stream.Collectors;
 
@@ -37,6 +41,8 @@ import static org.apache.commons.lang3.StringUtils.substringBefore;
 
 public class XmlRecordFactory implements Serializable {
 
+    private  Map<String, LongAccumulator> accumulators;
+
     private Set<String> specialDatasourceTypes;
 
     private ContextMapper contextMapper;
@@ -47,11 +53,20 @@ public class XmlRecordFactory implements Serializable {
 
     public XmlRecordFactory(
             final ContextMapper contextMapper, final boolean indent,
-            final String schemaLocation, final Set<String> otherDatasourceTypesUForUI) {
+            final String schemaLocation, final String otherDatasourceTypesUForUI) {
 
+        this(Maps.newHashMap(), contextMapper, indent, schemaLocation, otherDatasourceTypesUForUI);
+    }
+
+    public XmlRecordFactory(
+            final  Map<String, LongAccumulator> accumulators,
+            final ContextMapper contextMapper, final boolean indent,
+            final String schemaLocation, final String otherDatasourceTypesUForUI) {
+
+        this.accumulators = accumulators;
         this.contextMapper = contextMapper;
         this.schemaLocation = schemaLocation;
-        this.specialDatasourceTypes = otherDatasourceTypesUForUI;
+        this.specialDatasourceTypes = Sets.newHashSet(Splitter.on(",").trimResults().split(otherDatasourceTypesUForUI));
 
         this.indent = indent;
     }
@@ -448,7 +463,7 @@ public class XmlRecordFactory implements Serializable {
                 if (ds.getSubjects() != null) {
                     metadata.addAll(ds.getSubjects()
                             .stream()
-                            .map(sp -> mapStructuredProperty("subject", sp))
+                            .map(sp -> mapStructuredProperty("subjects", sp))
                             .collect(Collectors.toList()));
                 }
 
@@ -583,7 +598,7 @@ public class XmlRecordFactory implements Serializable {
                 if (p.getFundingtree() != null) {
                     metadata.addAll(p.getFundingtree()
                             .stream()
-                            .map(ft -> asXmlElement("fundingtree", ft.getValue()))
+                            .map(ft -> ft.getValue())
                             .collect(Collectors.toList()));
                 }
 
@@ -712,13 +727,23 @@ public class XmlRecordFactory implements Serializable {
 
             }
             final DataInfo info = rel.getDataInfo();
+            final String scheme = getScheme(re.getType(), targetType);
+
+            if (StringUtils.isBlank(scheme)) {
+                throw new IllegalArgumentException(String.format("missing scheme for: <%s - %s>", re.getType(), targetType));
+            }
+
+            final String accumulatorName = getRelDescriptor(rel.getRelType(), rel.getSubRelType(), rel.getRelClass());
+            if (accumulators.containsKey(accumulatorName)) {
+                accumulators.get(accumulatorName).add(1);
+            }
 
             rels.add(templateFactory.getRel(
                     targetType,
                     rel.getTarget(),
                     Sets.newHashSet(metadata),
-                    getInverseRelClass(rel.getRelClass()),
+                    rel.getRelClass(),
-                    getScheme(targetType, re.getType()),
+                    scheme,
                     info));
         }
         return rels;
@@ -931,7 +956,7 @@ public class XmlRecordFactory implements Serializable {
 
 
     @SuppressWarnings("unchecked")
-    private String getRelFundingTree(final String xmlTree) {
+    protected static String getRelFundingTree(final String xmlTree) {
         String funding = "<funding>";
         try {
             final Document ftree = new SAXReader().read(new StringReader(xmlTree));
@@ -952,11 +977,11 @@ public class XmlRecordFactory implements Serializable {
         return funding;
     }
 
-    private String getFunderElement(final Document ftree) {
+    private static String getFunderElement(final Document ftree) {
-        final String funderId = ftree.valueOf("//fundingtree/funder/id/text()");
+        final String funderId = ftree.valueOf("//fundingtree/funder/id");
-        final String funderShortName = ftree.valueOf("//fundingtree/funder/shortname/text()");
+        final String funderShortName = ftree.valueOf("//fundingtree/funder/shortname");
-        final String funderName = ftree.valueOf("//fundingtree/funder/name/text()");
+        final String funderName = ftree.valueOf("//fundingtree/funder/name");
-        final String funderJurisdiction = ftree.valueOf("//fundingtree/funder/jurisdiction/text()");
+        final String funderJurisdiction = ftree.valueOf("//fundingtree/funder/jurisdiction");
 
         return "<funder id=\"" + escapeXml(funderId) + "\" shortname=\"" + escapeXml(funderShortName) + "\" name=\"" + escapeXml(funderName)
                 + "\" jurisdiction=\"" + escapeXml(funderJurisdiction) + "\" />";

dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/graph/input_params_build_adjacency_lists.json

@@ -1,6 +1,7 @@
 [
-  {"paramName":"mt",  "paramLongName":"master",             "paramDescription": "should be local or yarn",                                  "paramRequired": true},
+  {"paramName":"mt",  "paramLongName":"master",          "paramDescription": "should be local or yarn",                                     "paramRequired": true},
-  {"paramName":"is",  "paramLongName":"isLookupUrl",        "paramDescription": "URL of the isLookUp Service",                              "paramRequired": true},
+  {"paramName":"is",  "paramLongName":"isLookupUrl",     "paramDescription": "URL of the isLookUp Service",                                 "paramRequired": true},
-  {"paramName":"o",   "paramLongName":"outputPath",         "paramDescription": "the path used to store temporary output files",            "paramRequired": true},
+  {"paramName":"o",   "paramLongName":"outputPath",      "paramDescription": "the path used to store temporary output files",               "paramRequired": true},
-  {"paramName":"s",   "paramLongName":"sourcePath",         "paramDescription": "the path of the sequence file to read",                    "paramRequired": true}
+  {"paramName":"s",   "paramLongName":"sourcePath",      "paramDescription": "the path of the sequence file to read",                       "paramRequired": true},
+  {"paramName":"t",   "paramLongName":"otherDsTypeId",   "paramDescription": "list of datasource types to populate field datasourcetypeui", "paramRequired": true}
 ]

dhp-workflows/dhp-graph-provision/src/main/resources/eu/dnetlib/dhp/graph/oozie_app/workflow.xml

@@ -1,4 +1,5 @@
 <workflow-app name="index_infospace_graph" xmlns="uri:oozie:workflow:0.5">
+
     <parameters>
         <property>
             <name>hive_db_name</name>
@@ -26,6 +27,21 @@
         </property>
     </parameters>
 
+    <global>
+        <job-tracker>${jobTracker}</job-tracker>
+        <name-node>${nameNode}</name-node>
+        <configuration>
+            <property>
+                <name>mapreduce.job.queuename</name>
+                <value>${queueName}</value>
+            </property>
+            <property>
+                <name>oozie.launcher.mapred.job.queue.name</name>
+                <value>${oozieLauncherQueueName}</value>
+            </property>
+        </configuration>
+    </global>
+
     <start to="reuse_records"/>
 
     <decision name="reuse_records">
@@ -42,17 +58,16 @@
 
     <action name="adjancency_lists">
         <spark xmlns="uri:oozie:spark-action:0.2">
-            <job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
             <master>yarn</master>
             <mode>cluster</mode>
             <name>build_adjacency_lists</name>
             <class>eu.dnetlib.dhp.graph.SparkXmlRecordBuilderJob</class>
             <jar>dhp-graph-provision-${projectVersion}.jar</jar>
             <spark-opts>
-                --executor-memory ${sparkExecutorMemory}
+                --executor-cores ${sparkExecutorCoresForJoining}
-                --executor-cores ${sparkExecutorCores}
+                --executor-memory ${sparkExecutorMemoryForJoining}
-                --driver-memory=${sparkDriverMemory}
+                --driver-memory=${sparkDriverMemoryForJoining}
+                --conf spark.dynamicAllocation.maxExecutors=${sparkExecutorCoresForJoining}
                 --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener"
                 --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener"
                 --conf spark.yarn.historyServer.address=${spark2YarnHistoryServerAddress}
@@ -60,6 +75,7 @@
             </spark-opts>
             <arg>-mt</arg> <arg>yarn</arg>
             <arg>-is</arg> <arg>${isLookupUrl}</arg>
+            <arg>-t</arg> <arg>${otherDsTypeId}</arg>
             <arg>--sourcePath</arg><arg>${sourcePath}</arg>
             <arg>--outputPath</arg><arg>${outputPath}</arg>
         </spark>
@@ -69,16 +85,15 @@
 
     <action name="to_solr_index">
         <spark xmlns="uri:oozie:spark-action:0.2">
-            <job-tracker>${jobTracker}</job-tracker>
-            <name-node>${nameNode}</name-node>
             <master>yarn</master>
             <mode>cluster</mode>
             <name>to_solr_index</name>
             <class>eu.dnetlib.dhp.graph.SparkXmlIndexingJob</class>
             <jar>dhp-graph-provision-${projectVersion}.jar</jar>
             <spark-opts>
-                --executor-memory ${sparkExecutorMemory}
+                --executor-cores ${sparkExecutorCoresForIndexing}
-                --driver-memory=${sparkDriverMemory}
+                --executor-memory ${sparkExecutorMemoryForIndexing}
+                --driver-memory=${sparkDriverMemoryForIndexing}
                 --conf spark.dynamicAllocation.maxExecutors=${sparkExecutorCoresForIndexing}
                 --conf spark.extraListeners="com.cloudera.spark.lineage.NavigatorAppListener"
                 --conf spark.sql.queryExecutionListeners="com.cloudera.spark.lineage.NavigatorQueryListener"

dhp-workflows/dhp-graph-provision/src/test/java/eu/dnetlib/dhp/graph/GraphJoinerTest.java

@@ -0,0 +1,38 @@
+package eu.dnetlib.dhp.graph;
+
+import org.junit.Before;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+public class GraphJoinerTest {
+
+    private ClassLoader cl = getClass().getClassLoader();
+    private Path workingDir;
+    private Path inputDir;
+    private Path outputDir;
+
+    @Before
+    public void before() throws IOException {
+        workingDir = Files.createTempDirectory("promote_action_set");
+        inputDir = workingDir.resolve("input");
+        outputDir = workingDir.resolve("output");
+    }
+
+    private static void copyFiles(Path source, Path target) throws IOException {
+        Files.list(source).forEach(f -> {
+            try {
+                if (Files.isDirectory(f)) {
+                    Path subTarget = Files.createDirectories(target.resolve(f.getFileName()));
+                    copyFiles(f, subTarget);
+                } else {
+                    Files.copy(f, target.resolve(f.getFileName()));
+                }
+            } catch (IOException e) {
+                e.printStackTrace();
+                throw new RuntimeException(e);
+            }
+        });
+    }
+}

pom.xml

@@ -110,6 +110,12 @@
 				<version>${dhp.hadoop.version}</version>
 				<scope>provided</scope>
 			</dependency>
+			<dependency>
+				<groupId>org.apache.hadoop</groupId>
+				<artifactId>hadoop-distcp</artifactId>
+				<version>${dhp.hadoop.version}</version>
+				<scope>provided</scope>
+			</dependency>
 			<dependency>
 				<groupId>org.apache.spark</groupId>
 				<artifactId>spark-core_2.11</artifactId>
@@ -142,6 +148,13 @@
 				<version>${dhp.commons.lang.version}</version>
 			</dependency>
 
+			<dependency>
+				<groupId>com.google.guava</groupId>
+				<artifactId>guava</artifactId>
+				<version>${dhp.guava.version}</version>
+			</dependency>
+
+
 			<dependency>
 				<groupId>commons-codec</groupId>
 				<artifactId>commons-codec</artifactId>
@@ -262,6 +275,16 @@
 				<scope>provided</scope>
 			</dependency>
 
+			<dependency>
+				<groupId>eu.dnetlib</groupId>
+				<artifactId>dnet-actionmanager-common</artifactId>
+				<version>6.0.5</version>
+			</dependency>
+			<dependency>
+				<groupId>eu.dnetlib</groupId>
+				<artifactId>dnet-openaire-data-protos</artifactId>
+				<version>3.9.8-proto250</version>
+			</dependency>
 			<dependency>
 				<groupId>eu.dnetlib</groupId>
 				<artifactId>dnet-pace-core</artifactId>
@@ -480,6 +503,7 @@
 		<dhp.spark.version>2.4.0.cloudera2</dhp.spark.version>
 		<dhp.jackson.version>2.9.6</dhp.jackson.version>
 		<dhp.commons.lang.version>3.5</dhp.commons.lang.version>
+		<dhp.guava.version>11.0.2</dhp.guava.version>
 		<scala.version>2.11.12</scala.version>
 		<junit.version>4.12</junit.version>
 		<mongodb.driver.version>3.4.2</mongodb.driver.version>