90 lines
3.0 KiB
Java
90 lines
3.0 KiB
Java
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package eu.dnetlib.dhp.oa.dedup;
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import java.io.IOException;
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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.hadoop.conf.Configuration;
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import org.apache.hadoop.fs.FileStatus;
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import org.apache.hadoop.fs.FileSystem;
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import org.apache.hadoop.fs.Path;
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import org.apache.hadoop.io.compress.GzipCodec;
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import org.apache.spark.SparkConf;
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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.api.java.function.MapFunction;
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import org.apache.spark.api.java.function.PairFunction;
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import org.apache.spark.sql.*;
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import org.apache.spark.sql.Dataset;
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import org.dom4j.DocumentException;
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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.schema.common.ModelSupport;
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import eu.dnetlib.dhp.schema.oaf.*;
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import eu.dnetlib.dhp.utils.ISLookupClientFactory;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpService;
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import eu.dnetlib.pace.util.MapDocumentUtil;
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import scala.Tuple2;
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public class SparkCopyRelationsNoOpenorgs extends AbstractSparkAction {
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private static final Logger log = LoggerFactory.getLogger(SparkCopyRelationsNoOpenorgs.class);
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public SparkCopyRelationsNoOpenorgs(ArgumentApplicationParser parser, SparkSession spark) {
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super(parser, spark);
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}
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public static void main(String[] args) throws Exception {
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ArgumentApplicationParser parser = new ArgumentApplicationParser(
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IOUtils
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.toString(
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SparkCopyRelationsNoOpenorgs.class
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.getResourceAsStream(
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"/eu/dnetlib/dhp/oa/dedup/updateEntity_parameters.json")));
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parser.parseArgument(args);
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SparkConf conf = new SparkConf();
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conf.set("spark.serializer", "org.apache.spark.serializer.KryoSerializer");
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conf.registerKryoClasses(ModelSupport.getOafModelClasses());
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new SparkCopyRelationsNoOpenorgs(parser, getSparkSession(conf))
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.run(ISLookupClientFactory.getLookUpService(parser.get("isLookUpUrl")));
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}
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public void run(ISLookUpService isLookUpService) throws IOException {
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final String graphBasePath = parser.get("graphBasePath");
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final String workingPath = parser.get("workingPath");
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final String dedupGraphPath = parser.get("dedupGraphPath");
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log.info("graphBasePath: '{}'", graphBasePath);
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log.info("workingPath: '{}'", workingPath);
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log.info("dedupGraphPath: '{}'", dedupGraphPath);
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final String relationPath = DedupUtility.createEntityPath(graphBasePath, "relation");
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final String outputPath = DedupUtility.createEntityPath(dedupGraphPath, "relation");
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JavaRDD<Relation> simRels = spark
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.read()
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.textFile(relationPath)
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.map(patchRelFn(), Encoders.bean(Relation.class))
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.toJavaRDD()
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.filter(x -> !isOpenorgs(x));
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log.info("Number of non-Openorgs relations collected: {}", simRels.count());
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spark
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.createDataset(simRels.rdd(), Encoders.bean(Relation.class))
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.write()
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.mode(SaveMode.Overwrite)
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.json(outputPath);
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}
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}
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