propagation of result to community through semantic relation: C -> R and R -> isSupplementedBy R1 => C -> R1
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package eu.dnetlib.dhp.communitytoresultthroughsemrel;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import eu.dnetlib.dhp.TypedRow;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.resulttoorganizationfrominstrepo.SparkResultToOrganizationFromIstRepoJob;
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import eu.dnetlib.dhp.schema.oaf.*;
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import org.apache.commons.io.IOUtils;
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import org.apache.hadoop.io.Text;
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import org.apache.spark.api.java.JavaPairRDD;
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import org.apache.spark.api.java.JavaRDD;
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import org.apache.spark.api.java.JavaSparkContext;
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import org.apache.spark.sql.SparkSession;
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import scala.Tuple2;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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import java.util.Set;
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import static eu.dnetlib.dhp.PropagationConstant.*;
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import static eu.dnetlib.dhp.PropagationConstant.PROPAGATION_RELATION_RESULT_ORGANIZATION_INST_REPO_CLASS_NAME;
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public class SparkResultToCommunityThroughSemRelJob {
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public static void main(String[] args) throws Exception {
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(IOUtils.toString(SparkResultToCommunityThroughSemRelJob.class.getResourceAsStream("/eu/dnetlib/dhp/communitytoresultthroughsemrel/input_communitytoresultthroughsemrel_parameters.json")));
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parser.parseArgument(args);
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final SparkSession spark = SparkSession
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.builder()
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.appName(SparkResultToCommunityThroughSemRelJob.class.getSimpleName())
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.master(parser.get("master"))
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.enableHiveSupport()
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.getOrCreate();
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final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext());
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final String inputPath = parser.get("sourcePath");
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final String outputPath = "/tmp/provision/propagation/communitytoresultthroughsemrel";
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final List<String> allowedsemrel = Arrays.asList(parser.get("allowedsemrel").split(";"));
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final List<String> communityIdList = Arrays.asList(parser.get("communityidlist").split(";"));
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File directory = new File(outputPath);
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if (!directory.exists()) {
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directory.mkdirs();
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}
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/*
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//get the institutional repositories
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JavaPairRDD<String, TypedRow> datasources = sc.sequenceFile(inputPath + "/datasource", Text.class, Text.class)
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.map(item -> new ObjectMapper().readValue(item._2().toString(), Datasource.class))
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.filter(ds -> INSTITUTIONAL_REPO_TYPE.equals(ds.getDatasourcetype().getClassid()))
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.map(ds -> new TypedRow().setSourceId(ds.getId()))
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.mapToPair(toPair());
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JavaPairRDD<String, TypedRow> rel_datasource_organization = sc.sequenceFile(inputPath + "/relation", Text.class, Text.class)
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.map(item -> new ObjectMapper().readValue(item._2().toString(), Relation.class))
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.filter(r -> !r.getDataInfo().getDeletedbyinference())
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.filter(r -> RELATION_DATASOURCEORGANIZATION_REL_TYPE.equals(r.getRelClass()) && RELATION_DATASOURCE_ORGANIZATION_REL_CLASS.equals(r.getRelType()))
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.map(r -> new TypedRow().setSourceId(r.getSource()).setTargetId(r.getTarget()))
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.mapToPair(toPair());
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JavaPairRDD<String, TypedRow> instdatasource_organization = datasources.join(rel_datasource_organization)
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.map(x -> x._2()._2())
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.mapToPair(toPair());
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JavaRDD<Relation> relations = sc.sequenceFile(inputPath + "/relation", Text.class, Text.class)
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.map(item -> new ObjectMapper().readValue(item._2().toString(), Relation.class));
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JavaRDD<Publication> publications = sc.sequenceFile(inputPath + "/publication", Text.class, Text.class)
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.map(item -> new ObjectMapper().readValue(item._2().toString(), Publication.class));
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JavaRDD<Dataset> datasets = sc.sequenceFile(inputPath + "/dataset", Text.class, Text.class)
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.map(item -> new ObjectMapper().readValue(item._2().toString(), Dataset.class));
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JavaRDD<Software> software = sc.sequenceFile(inputPath + "/software", Text.class, Text.class)
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.map(item -> new ObjectMapper().readValue(item._2().toString(), Software.class));
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JavaRDD<OtherResearchProduct> other = sc.sequenceFile(inputPath + "/otherresearchproduct", Text.class, Text.class)
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.map(item -> new ObjectMapper().readValue(item._2().toString(), OtherResearchProduct.class));
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JavaPairRDD<String, TypedRow> datasource_results = publications
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.map(oaf -> getTypedRowsDatasourceResult(oaf))
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.flatMapToPair(f -> {
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ArrayList<Tuple2<String, TypedRow>> ret = new ArrayList<>();
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for (TypedRow t : f) {
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ret.add(new Tuple2<>(t.getSourceId(), t));
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}
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return ret.iterator();
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})
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.union(datasets
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.map(oaf -> getTypedRowsDatasourceResult(oaf))
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.flatMapToPair(f -> {
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ArrayList<Tuple2<String, TypedRow>> ret = new ArrayList<>();
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for (TypedRow t : f) {
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ret.add(new Tuple2<>(t.getSourceId(), t));
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}
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return ret.iterator();
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}))
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.union(software
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.map(oaf -> getTypedRowsDatasourceResult(oaf))
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.flatMapToPair(f -> {
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ArrayList<Tuple2<String, TypedRow>> ret = new ArrayList<>();
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for (TypedRow t : f) {
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ret.add(new Tuple2<>(t.getSourceId(), t));
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}
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return ret.iterator();
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}))
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.union(other
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.map(oaf -> getTypedRowsDatasourceResult(oaf))
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.flatMapToPair(f -> {
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ArrayList<Tuple2<String, TypedRow>> ret = new ArrayList<>();
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for (TypedRow t : f) {
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ret.add(new Tuple2<>(t.getSourceId(), t));
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}
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return ret.iterator();
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}));
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JavaRDD<Relation> newRels = instdatasource_organization.join(datasource_results)
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.flatMap(c -> {
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List<Relation> rels = new ArrayList();
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String orgId = c._2()._1().getTargetId();
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String resId = c._2()._2().getTargetId();
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rels.add(getRelation(orgId, resId, RELATION_ORGANIZATION_RESULT_REL_CLASS,
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RELATION_RESULTORGANIZATION_REL_TYPE, RELATION_RESULTORGANIZATION_SUBREL_TYPE, PROPAGATION_DATA_INFO_TYPE,
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PROPAGATION_RELATION_RESULT_ORGANIZATION_INST_REPO_CLASS_ID, PROPAGATION_RELATION_RESULT_ORGANIZATION_INST_REPO_CLASS_NAME));
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rels.add(getRelation(resId, orgId, RELATION_RESULT_ORGANIZATION_REL_CLASS,
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RELATION_RESULTORGANIZATION_REL_TYPE, RELATION_RESULTORGANIZATION_SUBREL_TYPE, PROPAGATION_DATA_INFO_TYPE,
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PROPAGATION_RELATION_RESULT_ORGANIZATION_INST_REPO_CLASS_ID, PROPAGATION_RELATION_RESULT_ORGANIZATION_INST_REPO_CLASS_NAME));
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return rels.iterator();
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});
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newRels.map(p -> new ObjectMapper().writeValueAsString(p))
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.saveAsTextFile(outputPath + "/relation_new");
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newRels.union(relations).map(p -> new ObjectMapper().writeValueAsString(p))
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.saveAsTextFile(outputPath + "/relation");*/
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}
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}
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/*
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package eu.dnetlib.data.mapreduce.hbase.propagation.communitytoresult;
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import com.google.common.collect.Maps;
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import com.google.gson.Gson;
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import eu.dnetlib.data.mapreduce.hbase.propagation.Value;
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import eu.dnetlib.data.mapreduce.util.OafRowKeyDecoder;
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import eu.dnetlib.data.proto.OafProtos;
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import eu.dnetlib.data.proto.ResultProtos;
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import eu.dnetlib.data.proto.TypeProtos;
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import org.apache.hadoop.hbase.client.Delete;
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import org.apache.hadoop.hbase.client.Result;
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import org.apache.hadoop.hbase.io.ImmutableBytesWritable;
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import org.apache.hadoop.hbase.mapreduce.TableMapper;
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import org.apache.hadoop.hbase.util.Bytes;
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import org.apache.hadoop.io.Text;
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import java.io.IOException;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.NavigableMap;
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import java.util.Set;
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import java.util.stream.Collectors;
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import static eu.dnetlib.data.mapreduce.hbase.propagation.PropagationConstants.COUNTER_PROPAGATION;
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import static eu.dnetlib.data.mapreduce.hbase.propagation.PropagationConstants.DEFAULT_COMMUNITY_RELATION_SET;
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import static eu.dnetlib.data.mapreduce.hbase.propagation.Utils.getEntity;
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import static eu.dnetlib.data.mapreduce.hbase.propagation.Utils.getRelationTarget;
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public class CommunityToResultMapper extends TableMapper<Text, Text> {
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private Text keyOut;
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private Text valueOut;
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private String[] sem_rels;
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private String trust;
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CommunityList idCommunityList;
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@Override
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protected void setup(final Context context) throws IOException, InterruptedException {
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idCommunityList = new Gson().fromJson(context.getConfiguration().get("community.id.list"), CommunityList.class);
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keyOut = new Text();
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valueOut = new Text();
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sem_rels = context.getConfiguration().getStrings("propagatetocommunity.semanticrelations", DEFAULT_COMMUNITY_RELATION_SET);
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trust = context.getConfiguration().get("propagatetocommunity.trust","0.85");
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}
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@Override
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protected void map(final ImmutableBytesWritable keyIn, final Result value, final Context context) throws IOException, InterruptedException {
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final TypeProtos.Type type = OafRowKeyDecoder.decode(keyIn.copyBytes()).getType();
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//If the type is not result I do not need to process it
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if (!type.equals(TypeProtos.Type.result)) {
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return;
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}
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//verify if entity is valid
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final OafProtos.OafEntity entity = getEntity(value, type);
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if (entity == null) {
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context.getCounter(COUNTER_PROPAGATION, "Del by inference or null body for result").increment(1);
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return;
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}
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final Set<String> toemitrelations = new HashSet<>();
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//verify if we have some relation
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for (String sem_rel : sem_rels)
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toemitrelations.addAll(getRelationTarget(value, sem_rel, context, COUNTER_PROPAGATION));
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if (toemitrelations.isEmpty()) {
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context.getCounter(COUNTER_PROPAGATION, "No allowed semantic relation present in result").increment(1);
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return;
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}
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//verify if we have a relation to a context in the body
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Set<String> contextIds = entity.getResult().getMetadata().getContextList()
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.stream()
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.map(ResultProtos.Result.Context::getId)
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.collect(Collectors.toSet());
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//verify if we have a relation to a context in the update part made by the inference
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NavigableMap<byte[], byte[]> map = value.getFamilyMap(Bytes.toBytes(TypeProtos.Type.result.toString()));
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final Map<String, byte[]> stringMap = Maps.newHashMap();
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for (Map.Entry<byte[], byte[]> e : map.entrySet()) {
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stringMap.put(Bytes.toString(e.getKey()), e.getValue());
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}
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// we fetch all the body updates
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for (final String o : stringMap.keySet()) {
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if (o.startsWith("update_")) {
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final OafProtos.Oaf update = OafProtos.Oaf.parseFrom(stringMap.get(o));
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contextIds.addAll(update.getEntity().getResult().getMetadata().getContextList()
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.stream()
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.map(ResultProtos.Result.Context::getId)
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.map(s -> s.split("::")[0])
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.collect(Collectors.toSet()));
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}
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}
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//we verify if we have something
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if (contextIds.isEmpty()) {
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context.getCounter(COUNTER_PROPAGATION, "No context in the body and in the update of the result").increment(1);
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return;
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}
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//verify if some of the context collected for the result are associated to a community in the communityIdList
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for (String id : idCommunityList) {
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if (contextIds.contains(id)) {
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for (String target : toemitrelations) {
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keyOut.set(target);
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valueOut.set(Value.newInstance(id).setTrust(trust).toJson());
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context.write(keyOut, valueOut);
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context.getCounter(COUNTER_PROPAGATION, "Emit propagation for " + id).increment(1);
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}
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}
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}
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}
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}
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*/
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