117 lines
3.9 KiB
Java
117 lines
3.9 KiB
Java
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package eu.dnetlib.dhp.oa.graph.dump.subset;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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import static eu.dnetlib.dhp.oa.graph.dump.Utils.getEntitiesId;
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import static eu.dnetlib.dhp.oa.graph.dump.Utils.getValidRelations;
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import java.io.Serializable;
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import java.util.Optional;
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import org.apache.commons.io.IOUtils;
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import org.apache.spark.SparkConf;
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import org.apache.spark.api.java.function.MapFunction;
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import org.apache.spark.sql.Dataset;
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import org.apache.spark.sql.Encoders;
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import org.apache.spark.sql.SaveMode;
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import org.apache.spark.sql.SparkSession;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.oa.graph.dump.Utils;
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import eu.dnetlib.dhp.oa.model.graph.GraphResult;
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import eu.dnetlib.dhp.oa.model.graph.Relation;
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import eu.dnetlib.dhp.oa.model.graph.ResearchCommunity;
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import scala.Tuple2;
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/**
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* @author miriam.baglioni
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* @Date 15/11/22
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*/
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public class SparkSelectValidRelation implements Serializable {
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private static final Logger log = LoggerFactory.getLogger(SparkSelectValidRelation.class);
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public static void main(String[] args) throws Exception {
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String jsonConfiguration = IOUtils
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.toString(
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SparkSelectValidRelation.class
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.getResourceAsStream(
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"/eu/dnetlib/dhp/oa/graph/dump/input_select_valid_relation_parameters.json"));
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(jsonConfiguration);
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parser.parseArgument(args);
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Boolean isSparkSessionManaged = Optional
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.ofNullable(parser.get("isSparkSessionManaged"))
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.map(Boolean::valueOf)
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.orElse(Boolean.TRUE);
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log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
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// results dumped
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final String inputPath = parser.get("sourcePath");
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log.info("inputPath: {}", inputPath);
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// all relations plus those produced via context and extracted from results
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final String relationPath = parser.get("relationPath");
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log.info("relationPath: {}", relationPath);
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SparkConf conf = new SparkConf();
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runWithSparkSession(
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conf,
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isSparkSessionManaged,
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spark -> {
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selectValidRelation(spark, inputPath, relationPath);
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});
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}
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private static void selectValidRelation(SparkSession spark, String inputPath,
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String relationPath) {
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// read the results
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getValidRelations(
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spark, Utils
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.readPath(spark, relationPath, Relation.class),
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getEntitiesId(spark, inputPath))
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// Dataset<Tuple2<String, Relation>> relJoinSource = relationSource
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// .joinWith(dumpedIds, relationSource.col("_1").equalTo(dumpedIds.col("value")))
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// .map(
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// (MapFunction<Tuple2<Tuple2<String, Relation>, String>, Tuple2<String, Relation>>) t2 -> new Tuple2<>(
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// t2._1()._2().getTarget().getId(), t2._1()._2()),
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// Encoders.tuple(Encoders.STRING(), Encoders.bean(Relation.class)));
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//
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// relJoinSource
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// .joinWith(dumpedIds, relJoinSource.col("_1").equalTo(dumpedIds.col("value")))
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// .map(
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// (MapFunction<Tuple2<Tuple2<String, Relation>, String>, Relation>) t2 -> t2._1()._2(),
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// Encoders.bean(Relation.class))
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.write()
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.mode(SaveMode.Overwrite)
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.option("compression", "gzip")
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.json(inputPath + "/relation");
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// relJoinSource = relationSource
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// .joinWith(dumpedIds, relationSource.col("_1").equalTo(dumpedIds.col("value")))
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// .map(
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// (MapFunction<Tuple2<Tuple2<String, Relation>, String>, Tuple2<String, Relation>>) t2 -> new Tuple2<>(
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// t2._1()._2().getTarget().getId(), t2._1()._2()),
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// Encoders.tuple(Encoders.STRING(), Encoders.bean(Relation.class)));
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//
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// relJoinSource
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// .joinWith(dumpedIds, relJoinSource.col("_1").equalTo(dumpedIds.col("value")))
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// .map(
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// (MapFunction<Tuple2<Tuple2<String, Relation>, String>, Relation>) t2 -> t2._1()._2(),
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// Encoders.bean(Relation.class))
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// .write()
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// .mode(SaveMode.Append)
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// .option("compression", "gzip")
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// .json(inputPath + "/relation");
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}
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}
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