85 lines
3.5 KiB
Java
85 lines
3.5 KiB
Java
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package eu.dnetlib.dhp.oa.graph.dump.community;
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import eu.dnetlib.dhp.oa.graph.dump.ResultMapper;
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import eu.dnetlib.dhp.oa.graph.dump.Utils;
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import eu.dnetlib.dhp.schema.oaf.Context;
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import eu.dnetlib.dhp.schema.oaf.Result;
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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 java.io.Serializable;
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import java.util.List;
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import java.util.Objects;
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import java.util.Optional;
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import java.util.Set;
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import java.util.stream.Collectors;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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public class DumpProducts implements Serializable {
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public void run(Boolean isSparkSessionManaged, String inputPath, String outputPath, CommunityMap communityMap, Class<? extends Result> inputClazz, boolean graph) {
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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(spark, inputPath, outputPath, communityMap, inputClazz, graph);// , dumpClazz);
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});
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}
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public static <I extends Result, O extends eu.dnetlib.dhp.schema.dump.oaf.Result> void execDump(SparkSession spark,
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String inputPath,
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String outputPath,
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CommunityMap communityMap,
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Class<I> inputClazz,
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boolean graph) {
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Dataset<I> tmp = Utils.readPath(spark, inputPath, inputClazz);
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tmp
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.map(value -> execMap(value, communityMap, graph), Encoders.bean(eu.dnetlib.dhp.schema.dump.oaf.Result.class))
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.filter(Objects::nonNull)
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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 Result> eu.dnetlib.dhp.schema.dump.oaf.Result execMap(I value,
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CommunityMap communityMap,
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boolean graph) {
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if (!graph) {
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Set<String> communities = communityMap.keySet();
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Optional<List<Context>> inputContext = Optional.ofNullable(value.getContext());
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if (!inputContext.isPresent()) {
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return null;
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}
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List<String> toDumpFor = inputContext.get().stream().map(c -> {
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if (communities.contains(c.getId())) {
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return c.getId();
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}
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if (c.getId().contains("::") && communities.contains(c.getId().substring(0, c.getId().indexOf("::")))) {
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return c.getId().substring(0, 3);
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}
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return null;
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}).filter(Objects::nonNull).collect(Collectors.toList());
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if (toDumpFor.size() == 0) {
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return null;
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}
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}
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return ResultMapper.map(value, communityMap);
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}
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}
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