86 lines
2.9 KiB
Java
86 lines
2.9 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.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.broker.objects.OaBrokerMainEntity;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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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.schema.oaf.Publication;
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import eu.dnetlib.dhp.schema.oaf.Result;
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public class GenerateSimpleEntitities {
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private static final Logger log = LoggerFactory.getLogger(GenerateSimpleEntitities.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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GenerateSimpleEntitities.class
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.getResourceAsStream("/eu/dnetlib/dhp/broker/oa/generate_simple_entities.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 simpleEntitiesPath = parser.get("simpleEntitiesPath");
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log.info("simpleEntitiesPath: {}", simpleEntitiesPath);
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final SparkConf conf = new SparkConf();
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runWithSparkSession(conf, isSparkSessionManaged, spark -> {
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ClusterUtils.removeDir(spark, simpleEntitiesPath);
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expandResultsWithRelations(spark, graphPath, Publication.class)
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.write()
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.mode(SaveMode.Overwrite)
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.json(simpleEntitiesPath);
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// TODO UNCOMMENT THIS
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// spark
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// .emptyDataset(Encoders.bean(Event.class))
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// .union(generateEvents(spark, graphPath, Publication.class, dedupConfig))
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// .union(generateEvents(spark, graphPath, eu.dnetlib.dhp.schema.oaf.Dataset.class, dedupConfig))
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// .union(generateEvents(spark, graphPath, Software.class, dedupConfig))
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// .union(generateEvents(spark, graphPath, OtherResearchProduct.class, dedupConfig))
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// .write()
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// .mode(SaveMode.Overwrite)
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// .option("compression", "gzip")
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// .json(eventsPath);
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});
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}
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private static <SRC extends Result> Dataset<OaBrokerMainEntity> expandResultsWithRelations(
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final SparkSession spark,
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final String graphPath,
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final Class<SRC> sourceClass) {
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return ClusterUtils
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.readPath(spark, graphPath + "/" + sourceClass.getSimpleName().toLowerCase(), sourceClass)
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.filter(r -> r.getDataInfo().getDeletedbyinference())
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.map(ConversionUtils::oafResultToBrokerResult, Encoders.bean(OaBrokerMainEntity.class));
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}
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}
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