107 lines
3.6 KiB
Java
107 lines
3.6 KiB
Java
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package eu.dnetlib.dhp.provision;
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import org.apache.commons.io.IOUtils;
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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.sql.Dataset;
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import org.apache.spark.sql.Encoders;
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import org.apache.spark.sql.SparkSession;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.provision.scholix.summary.ScholixSummary;
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import eu.dnetlib.dhp.utils.DHPUtils;
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import scala.Tuple2;
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public class SparkGenerateSummary {
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private static final String jsonIDPath = "$.id";
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public static void main(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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SparkGenerateSummary.class
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.getResourceAsStream(
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"/eu/dnetlib/dhp/provision/input_generate_summary_parameters.json")));
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parser.parseArgument(args);
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final SparkSession spark = SparkSession
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.builder()
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.appName(SparkExtractRelationCount.class.getSimpleName())
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.master(parser.get("master"))
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.getOrCreate();
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final String graphPath = parser.get("graphPath");
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final String workingDirPath = parser.get("workingDirPath");
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final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext());
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Dataset<RelatedItemInfo> rInfo = spark
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.read()
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.load(workingDirPath + "/relatedItemCount")
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.as(Encoders.bean(RelatedItemInfo.class));
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Dataset<ScholixSummary> entity = spark
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.createDataset(
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sc
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.textFile(
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graphPath + "/publication," + graphPath + "/dataset," + graphPath + "/unknown")
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.map(
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s -> ScholixSummary
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.fromJsonOAF(
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ProvisionUtil.getItemTypeFromId(DHPUtils.getJPathString(jsonIDPath, s)),
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s))
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.rdd(),
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Encoders.bean(ScholixSummary.class));
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Dataset<ScholixSummary> summaryComplete = rInfo
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.joinWith(entity, rInfo.col("source").equalTo(entity.col("id")))
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.map(
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(MapFunction<Tuple2<RelatedItemInfo, ScholixSummary>, ScholixSummary>) t -> {
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ScholixSummary scholixSummary = t._2();
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RelatedItemInfo relatedItemInfo = t._1();
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scholixSummary.setRelatedDatasets(relatedItemInfo.getRelatedDataset());
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scholixSummary
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.setRelatedPublications(
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relatedItemInfo.getRelatedPublication());
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scholixSummary.setRelatedUnknown(relatedItemInfo.getRelatedUnknown());
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return scholixSummary;
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},
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Encoders.bean(ScholixSummary.class));
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summaryComplete.write().save(workingDirPath + "/summary");
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// JavaPairRDD<String, String> relationCount =
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// sc.textFile(workingDirPath+"/relatedItemCount").mapToPair((PairFunction<String, String,
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// String>) i -> new Tuple2<>(DHPUtils.getJPathString(jsonIDPath, i), i));
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//
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// JavaPairRDD<String, String> entities =
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// sc.textFile(graphPath + "/publication")
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// .filter(ProvisionUtil::isNotDeleted)
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// .mapToPair((PairFunction<String, String, String>) i -> new
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// Tuple2<>(DHPUtils.getJPathString(jsonIDPath, i), i))
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// .union(
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// sc.textFile(graphPath + "/dataset")
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// .filter(ProvisionUtil::isNotDeleted)
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// .mapToPair((PairFunction<String, String, String>)
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// i ->
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// new Tuple2<>(DHPUtils.getJPathString(jsonIDPath, i), i))
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// )
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// .union(
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// sc.textFile(graphPath + "/unknown")
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// .filter(ProvisionUtil::isNotDeleted)
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// .mapToPair((PairFunction<String, String, String>)
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// i ->
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// new Tuple2<>(DHPUtils.getJPathString(jsonIDPath, i), i))
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// );
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// entities.join(relationCount).map((Function<Tuple2<String, Tuple2<String, String>>,
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// String>) k ->
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// ScholixSummary.fromJsonOAF(ProvisionUtil.getItemTypeFromId(k._1()),
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// k._2()._1(), k._2()._2())).saveAsTextFile(workingDirPath+"/summary", GzipCodec.class);
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//
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//
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// ;
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}
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}
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