forked from D-Net/dnet-hadoop
60 lines
2.6 KiB
Java
60 lines
2.6 KiB
Java
package eu.dnetlib.dhp.dedup;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.schema.oaf.OafEntity;
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import eu.dnetlib.enabling.is.lookup.rmi.ISLookUpException;
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import eu.dnetlib.pace.config.DedupConfig;
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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.JavaRDD;
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import org.apache.spark.api.java.JavaSparkContext;
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import org.apache.spark.sql.SparkSession;
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import org.dom4j.DocumentException;
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public class SparkCreateDedupRecord {
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public static void main(String[] args) throws Exception {
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(IOUtils.toString(SparkCreateDedupRecord.class.getResourceAsStream("/eu/dnetlib/dhp/dedup/createDedupRecord_parameters.json")));
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parser.parseArgument(args);
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new SparkCreateDedupRecord().run(parser);
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}
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private void run(ArgumentApplicationParser parser) throws ISLookUpException, DocumentException {
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final String graphBasePath = parser.get("graphBasePath");
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final String isLookUpUrl = parser.get("isLookUpUrl");
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final String actionSetId = parser.get("actionSetId");
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final String workingPath = parser.get("workingPath");
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try (SparkSession spark = getSparkSession(parser)) {
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final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext());
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for (DedupConfig dedupConf: DedupUtility.getConfigurations(isLookUpUrl, actionSetId)) {
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String subEntity = dedupConf.getWf().getSubEntityValue();
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final JavaRDD<OafEntity> dedupRecord =
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DedupRecordFactory.createDedupRecord(sc, spark, DedupUtility.createMergeRelPath(workingPath, actionSetId, subEntity), DedupUtility.createEntityPath(graphBasePath, subEntity), OafEntityType.valueOf(subEntity), dedupConf);
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dedupRecord.map(r -> {
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ObjectMapper mapper = new ObjectMapper();
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return mapper.writeValueAsString(r);
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}).saveAsTextFile(DedupUtility.createDedupRecordPath(workingPath, actionSetId, subEntity));
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}
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}
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}
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private static SparkSession getSparkSession(ArgumentApplicationParser parser) {
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SparkConf conf = new SparkConf();
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return SparkSession
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.builder()
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.appName(SparkCreateDedupRecord.class.getSimpleName())
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.master(parser.get("master"))
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.config(conf)
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.enableHiveSupport()
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.getOrCreate();
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}
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}
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