forked from D-Net/dnet-hadoop
97 lines
3.6 KiB
Java
97 lines
3.6 KiB
Java
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package eu.dnetlib.dhp.broker.oa;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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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.FilterFunction;
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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.Encoder;
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import org.apache.spark.sql.Encoders;
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import org.apache.spark.util.LongAccumulator;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import eu.dnetlib.broker.objects.OaBrokerRelatedSoftware;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.broker.oa.util.BrokerConstants;
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import eu.dnetlib.dhp.broker.oa.util.ClusterUtils;
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import eu.dnetlib.dhp.broker.oa.util.ConversionUtils;
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import eu.dnetlib.dhp.broker.oa.util.aggregators.withRels.RelatedSoftware;
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import eu.dnetlib.dhp.schema.common.ModelConstants;
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import eu.dnetlib.dhp.schema.oaf.Relation;
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import eu.dnetlib.dhp.schema.oaf.Software;
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import scala.Tuple2;
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public class PrepareRelatedSoftwaresJob {
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private static final Logger log = LoggerFactory.getLogger(PrepareRelatedSoftwaresJob.class);
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public static void main(final String[] args) throws Exception {
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(
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IOUtils
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.toString(
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PrepareRelatedSoftwaresJob.class
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.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/common_params.json")));
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parser.parseArgument(args);
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final 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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final String graphPath = parser.get("graphPath");
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log.info("graphPath: {}", graphPath);
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final String workingDir = parser.get("workingDir");
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log.info("workingDir: {}", workingDir);
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final String relsPath = workingDir + "/relatedSoftwares";
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log.info("relsPath: {}", relsPath);
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final SparkConf conf = new SparkConf();
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runWithSparkSession(conf, isSparkSessionManaged, spark -> {
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ClusterUtils.removeDir(spark, relsPath);
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final LongAccumulator total = spark.sparkContext().longAccumulator("total_rels");
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final Encoder<OaBrokerRelatedSoftware> obrsEncoder = Encoders.bean(OaBrokerRelatedSoftware.class);
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final Dataset<OaBrokerRelatedSoftware> softwares = ClusterUtils
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.readPath(spark, graphPath + "/software", Software.class)
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.filter((FilterFunction<Software>) sw -> !ClusterUtils.isDedupRoot(sw.getId()))
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.map(
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(MapFunction<Software, OaBrokerRelatedSoftware>) ConversionUtils::oafSoftwareToBrokerSoftware,
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obrsEncoder);
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final Dataset<Relation> rels;
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rels = ClusterUtils
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.loadRelations(graphPath, spark)
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.filter((FilterFunction<Relation>) r -> r.getDataInfo().getDeletedbyinference())
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.filter((FilterFunction<Relation>) r -> r.getRelType().equals(ModelConstants.RESULT_RESULT))
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.filter((FilterFunction<Relation>) r -> !r.getRelClass().equals(BrokerConstants.IS_MERGED_IN_CLASS))
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.filter((FilterFunction<Relation>) r -> !ClusterUtils.isDedupRoot(r.getSource()))
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.filter((FilterFunction<Relation>) r -> !ClusterUtils.isDedupRoot(r.getTarget()));
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final Encoder<RelatedSoftware> rsEncoder = Encoders.bean(RelatedSoftware.class);
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final Dataset<RelatedSoftware> dataset = rels
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.joinWith(softwares, softwares.col("openaireId").equalTo(rels.col("target")), "inner")
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.map(
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(MapFunction<Tuple2<Relation, OaBrokerRelatedSoftware>, RelatedSoftware>) t -> new RelatedSoftware(
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t._1.getSource(), t._2),
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rsEncoder);
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ClusterUtils.save(dataset, relsPath, RelatedSoftware.class, total);
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});
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}
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}
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