81 lines
2.4 KiB
Java
81 lines
2.4 KiB
Java
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package eu.dnetlib.dhp.oa.graph.dump;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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import java.io.Serializable;
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import java.util.Optional;
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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.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 eu.dnetlib.dhp.eosc.model.Result;
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import eu.dnetlib.dhp.oa.graph.dump.eosc.CommunityMap;
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import eu.dnetlib.dhp.oa.graph.dump.eosc.Utils;
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import eu.dnetlib.dhp.oa.graph.dump.exceptions.CardinalityTooHighException;
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import eu.dnetlib.dhp.oa.graph.dump.exceptions.NoAvailableEntityTypeException;
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import eu.dnetlib.dhp.schema.oaf.DataInfo;
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import eu.dnetlib.dhp.schema.oaf.OafEntity;
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/**
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* It fires the execution of the actual dump for result entities. If the dump is for RC/RI products its checks for each
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* result its belongingess to at least one RC/RI before "asking" for its mapping.
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*/
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public class DumpProducts implements Serializable {
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public void run(Boolean isSparkSessionManaged, String inputPath, String outputPath, String communityMapPath,
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Class<? extends OafEntity> inputClazz) {
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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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Utils.removeOutputDir(spark, outputPath);
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execDump(
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spark, inputPath, outputPath, communityMapPath, inputClazz);
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});
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}
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public static <I extends OafEntity> void execDump(
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SparkSession spark,
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String inputPath,
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String outputPath,
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String communityMapPath,
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Class<I> inputClazz) {
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CommunityMap communityMap = Utils.getCommunityMap(spark, communityMapPath);
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Utils
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.readPath(spark, inputPath, inputClazz)
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.map((MapFunction<I, Result>) value -> execMap(value, communityMap), Encoders.bean(Result.class))
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.filter((FilterFunction<Result>) value -> value != null)
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.write()
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.mode(SaveMode.Overwrite)
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.option("compression", "gzip")
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.json(outputPath);
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}
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private static <I extends OafEntity> Result execMap(I value,
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CommunityMap communityMap) throws NoAvailableEntityTypeException, CardinalityTooHighException {
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Optional<DataInfo> odInfo = Optional.ofNullable(value.getDataInfo());
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if (odInfo.isPresent()) {
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if (odInfo.get().getDeletedbyinference() || odInfo.get().getInvisible()) {
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return null;
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}
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} else {
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return null;
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}
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return ResultMapper.map(value, communityMap, null);
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}
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}
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