BrBETA_dnet-hadoop/dhp-workflows/dhp-dedup-openaire/src/main/java/eu/dnetlib/dhp/oa/dedup/SparkPrepareOrgRels.java

266 lines
9.2 KiB
Java

package eu.dnetlib.dhp.oa.dedup;
import java.io.IOException;
import java.util.*;
import org.apache.commons.io.IOUtils;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.function.MapFunction;
import org.apache.spark.sql.Dataset;
import org.apache.spark.sql.Encoders;
import org.apache.spark.sql.SaveMode;
import org.apache.spark.sql.SparkSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.Lists;
import eu.dnetlib.dhp.application.ArgumentApplicationParser;
import eu.dnetlib.dhp.oa.dedup.model.OrgSimRel;
import eu.dnetlib.dhp.schema.common.ModelSupport;
import eu.dnetlib.dhp.schema.oaf.Organization;
import eu.dnetlib.dhp.schema.oaf.Relation;
import eu.dnetlib.dhp.utils.ISLookupClientFactory;
import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
import scala.Tuple2;
import scala.Tuple3;
public class SparkPrepareOrgRels extends AbstractSparkAction {
private static final Logger log = LoggerFactory.getLogger(SparkCreateDedupRecord.class);
public SparkPrepareOrgRels(ArgumentApplicationParser parser, SparkSession spark) {
super(parser, spark);
}
public static void main(String[] args) throws Exception {
ArgumentApplicationParser parser = new ArgumentApplicationParser(
IOUtils
.toString(
SparkCreateSimRels.class
.getResourceAsStream(
"/eu/dnetlib/dhp/oa/dedup/prepareOrgRels_parameters.json")));
parser.parseArgument(args);
SparkConf conf = new SparkConf();
conf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer");
conf.registerKryoClasses(ModelSupport.getOafModelClasses());
new SparkPrepareOrgRels(parser, getSparkSession(conf))
.run(ISLookupClientFactory.getLookUpService(parser.get("isLookUpUrl")));
}
@Override
public void run(ISLookUpService isLookUpService) throws IOException {
final String graphBasePath = parser.get("graphBasePath");
final String isLookUpUrl = parser.get("isLookUpUrl");
final String actionSetId = parser.get("actionSetId");
final String workingPath = parser.get("workingPath");
final int numConnections = Optional
.ofNullable(parser.get("numConnections"))
.map(Integer::valueOf)
.orElse(NUM_CONNECTIONS);
final String dbUrl = parser.get("dbUrl");
final String dbTable = parser.get("dbTable");
final String dbUser = parser.get("dbUser");
final String dbPwd = parser.get("dbPwd");
log.info("graphBasePath: '{}'", graphBasePath);
log.info("isLookUpUrl: '{}'", isLookUpUrl);
log.info("actionSetId: '{}'", actionSetId);
log.info("workingPath: '{}'", workingPath);
log.info("numPartitions: '{}'", numConnections);
log.info("dbUrl: '{}'", dbUrl);
log.info("dbUser: '{}'", dbUser);
log.info("table: '{}'", dbTable);
log.info("dbPwd: '{}'", "xxx");
final String mergeRelPath = DedupUtility.createMergeRelPath(workingPath, actionSetId, "organization");
final String entityPath = DedupUtility.createEntityPath(graphBasePath, "organization");
Dataset<OrgSimRel> relations = createRelations(spark, mergeRelPath, entityPath);
final Properties connectionProperties = new Properties();
connectionProperties.put("user", dbUser);
connectionProperties.put("password", dbPwd);
relations
.repartition(numConnections)
.write()
.mode(SaveMode.Overwrite)
.jdbc(dbUrl, dbTable, connectionProperties);
}
public static Dataset<OrgSimRel> createRelations(
final SparkSession spark,
final String mergeRelsPath,
final String entitiesPath) {
Dataset<Tuple2<String, Organization>> entities = spark
.read()
.textFile(entitiesPath)
.map(
(MapFunction<String, Tuple2<String, Organization>>) it -> {
Organization entity = OBJECT_MAPPER.readValue(it, Organization.class);
return new Tuple2<>(entity.getId(), entity);
},
Encoders.tuple(Encoders.STRING(), Encoders.kryo(Organization.class)));
Dataset<Tuple3<String, String, String>> relations = spark
.createDataset(
spark
.read()
.load(mergeRelsPath)
.as(Encoders.bean(Relation.class))
.where("relClass == 'merges'")
.toJavaRDD()
.mapToPair(r -> new Tuple2<>(r.getSource(), r.getTarget()))
.filter(t -> !t._2().contains("openorgsmesh"))
.groupByKey()
.map(g -> Lists.newArrayList(g._2()))
.filter(l -> l.size() > 1)
.flatMap(l -> {
String groupId = "group::" + UUID.randomUUID();
List<String> ids = sortIds(l);
List<Tuple3<String, String, String>> rels = new ArrayList<>();
String source = ids.get(0);
for (String target : ids) {
rels.add(new Tuple3<>(source, target, groupId));
}
return rels.iterator();
})
.rdd(),
Encoders.tuple(Encoders.STRING(), Encoders.STRING(), Encoders.STRING()));
Dataset<Tuple2<String, OrgSimRel>> relations2 = relations // <openorgs, corda>
.joinWith(entities, relations.col("_2").equalTo(entities.col("_1")), "inner")
.map(
(MapFunction<Tuple2<Tuple3<String, String, String>, Tuple2<String, Organization>>, OrgSimRel>) r -> new OrgSimRel(
r._1()._1(),
r._2()._2().getOriginalId().get(0),
r._2()._2().getLegalname() != null ? r._2()._2().getLegalname().getValue() : "",
r._2()._2().getLegalshortname() != null ? r._2()._2().getLegalshortname().getValue() : "",
r._2()._2().getCountry() != null ? r._2()._2().getCountry().getClassid() : "",
r._2()._2().getWebsiteurl() != null ? r._2()._2().getWebsiteurl().getValue() : "",
r._2()._2().getCollectedfrom().get(0).getValue(),
r._1()._3()),
Encoders.bean(OrgSimRel.class))
.map(
(MapFunction<OrgSimRel, Tuple2<String, OrgSimRel>>) o -> new Tuple2<>(o.getLocal_id(), o),
Encoders.tuple(Encoders.STRING(), Encoders.bean(OrgSimRel.class)));
return relations2
.joinWith(entities, relations2.col("_1").equalTo(entities.col("_1")), "inner")
.map(
(MapFunction<Tuple2<Tuple2<String, OrgSimRel>, Tuple2<String, Organization>>, OrgSimRel>) r -> {
OrgSimRel orgSimRel = r._1()._2();
orgSimRel.setLocal_id(r._2()._2().getOriginalId().get(0));
return orgSimRel;
},
Encoders.bean(OrgSimRel.class));
}
// select best ids from the list. Priority: 1) openorgs, 2)corda, 3)alphabetic
public static List<String> sortIds(List<String> ids) {
ids.sort((o1, o2) -> {
if (o1.contains("openorgs____") && o2.contains("openorgs____"))
return o1.compareTo(o2);
if (o1.contains("corda") && o2.contains("corda"))
return o1.compareTo(o2);
if (o1.contains("openorgs____"))
return -1;
if (o2.contains("openorgs____"))
return 1;
if (o1.contains("corda"))
return -1;
if (o2.contains("corda"))
return 1;
return o1.compareTo(o2);
});
return ids;
}
public static Dataset<OrgSimRel> createRelationsFromScratch(
final SparkSession spark,
final String mergeRelsPath,
final String entitiesPath) {
// <id, json_entity>
Dataset<Tuple2<String, Organization>> entities = spark
.read()
.textFile(entitiesPath)
.map(
(MapFunction<String, Tuple2<String, Organization>>) it -> {
Organization entity = OBJECT_MAPPER.readValue(it, Organization.class);
return new Tuple2<>(entity.getId(), entity);
},
Encoders.tuple(Encoders.STRING(), Encoders.kryo(Organization.class)));
Dataset<Tuple2<String, String>> relations = spark
.createDataset(
spark
.read()
.load(mergeRelsPath)
.as(Encoders.bean(Relation.class))
.where("relClass == 'merges'")
.toJavaRDD()
.mapToPair(r -> new Tuple2<>(r.getSource(), r.getTarget()))
.groupByKey()
.flatMap(g -> {
List<Tuple2<String, String>> rels = new ArrayList<>();
for (String id1 : g._2()) {
for (String id2 : g._2()) {
if (!id1.equals(id2))
if (id1.contains("openorgs____") && !id2.contains("openorgsmesh"))
rels.add(new Tuple2<>(id1, id2));
}
}
return rels.iterator();
})
.rdd(),
Encoders.tuple(Encoders.STRING(), Encoders.STRING()));
Dataset<Tuple2<String, OrgSimRel>> relations2 = relations // <openorgs, corda>
.joinWith(entities, relations.col("_2").equalTo(entities.col("_1")), "inner")
.map(
(MapFunction<Tuple2<Tuple2<String, String>, Tuple2<String, Organization>>, OrgSimRel>) r -> new OrgSimRel(
r._1()._1(),
r._2()._2().getOriginalId().get(0),
r._2()._2().getLegalname() != null ? r._2()._2().getLegalname().getValue() : "",
r._2()._2().getLegalshortname() != null ? r._2()._2().getLegalshortname().getValue() : "",
r._2()._2().getCountry() != null ? r._2()._2().getCountry().getClassid() : "",
r._2()._2().getWebsiteurl() != null ? r._2()._2().getWebsiteurl().getValue() : "",
r._2()._2().getCollectedfrom().get(0).getValue(),
"group::" + r._1()._1()),
Encoders.bean(OrgSimRel.class))
.map(
(MapFunction<OrgSimRel, Tuple2<String, OrgSimRel>>) o -> new Tuple2<>(o.getLocal_id(), o),
Encoders.tuple(Encoders.STRING(), Encoders.bean(OrgSimRel.class)));
return relations2
.joinWith(entities, relations2.col("_1").equalTo(entities.col("_1")), "inner")
.map(
(MapFunction<Tuple2<Tuple2<String, OrgSimRel>, Tuple2<String, Organization>>, OrgSimRel>) r -> {
OrgSimRel orgSimRel = r._1()._2();
orgSimRel.setLocal_id(r._2()._2().getOriginalId().get(0));
return orgSimRel;
},
Encoders.bean(OrgSimRel.class));
}
}