51 lines
1.5 KiB
Java
51 lines
1.5 KiB
Java
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package eu.dnetlib.doiboost.orcid;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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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.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.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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public class SparkPartitionLambdaFile {
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public static void main(String[] args) throws IOException, Exception {
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Logger logger = LoggerFactory.getLogger(SparkOrcidGenerateAuthors.class);
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(
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IOUtils
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.toString(
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SparkOrcidGenerateAuthors.class
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.getResourceAsStream(
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"/eu/dnetlib/dhp/doiboost/gen_orcid_authors_parameters.json")));
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parser.parseArgument(args);
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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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final String workingPath = parser.get("workingPath");
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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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JavaSparkContext sc = JavaSparkContext.fromSparkContext(spark.sparkContext());
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JavaRDD<String> lamdaFileRDD = sc.textFile(workingPath + "last_modified.csv");
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lamdaFileRDD
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.repartition(20)
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.saveAsTextFile(workingPath.concat("lamdafiles"));
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});
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}
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}
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