200 lines
6.6 KiB
Java
200 lines
6.6 KiB
Java
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package eu.dnetlib.dhp.oa.graph.dump.subset;
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import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
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import java.io.Serializable;
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import java.io.StringReader;
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import java.util.*;
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import java.util.stream.Collectors;
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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.function.MapFunction;
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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.dom4j.Document;
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import org.dom4j.DocumentException;
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import org.dom4j.Node;
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import org.dom4j.io.SAXReader;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.google.gson.Gson;
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import com.jayway.jsonpath.DocumentContext;
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import com.jayway.jsonpath.JsonPath;
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import eu.dnetlib.dhp.application.ArgumentApplicationParser;
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import eu.dnetlib.dhp.oa.graph.dump.Constants;
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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.oa.graph.dump.subset.criteria.VerbResolver;
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import eu.dnetlib.dhp.oa.graph.dump.subset.criteria.VerbResolverFactory;
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import eu.dnetlib.dhp.oa.graph.dump.subset.selectionconstraints.Param;
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import eu.dnetlib.dhp.oa.graph.dump.subset.selectionconstraints.SelectionConstraints;
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import eu.dnetlib.dhp.oa.model.graph.*;
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import eu.dnetlib.dhp.schema.oaf.*;
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/**
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* Spark Job that fires the dump for the entities
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*/
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public class SparkDumpResult implements Serializable {
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private static final Logger log = LoggerFactory.getLogger(SparkDumpResult.class);
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private static final VerbResolver resolver = VerbResolverFactory.newInstance();
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public static final String COMPRESSION = "compression";
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public static final String GZIP = "gzip";
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public static void main(String[] args) throws Exception {
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String jsonConfiguration = IOUtils
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.toString(
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SparkDumpResult.class
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.getResourceAsStream(
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"/eu/dnetlib/dhp/oa/graph/dump/input_parameters.json"));
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final ArgumentApplicationParser parser = new ArgumentApplicationParser(jsonConfiguration);
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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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log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
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final String inputPath = parser.get("sourcePath");
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log.info("inputPath: {}", inputPath);
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final String outputPath = parser.get("outputPath");
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log.info("outputPath: {}", outputPath);
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final String resultType = parser.get("resultType");
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log.info("resultType: {}", resultType);
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final String resultClassName = parser.get("resultTableName");
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log.info("resultTableName: {}", resultClassName);
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Optional<String> pathString = Optional.ofNullable(parser.get("pathMap"));
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HashMap<String, String> pathMap = null;
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if (pathString.isPresent()) {
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pathMap = new Gson().fromJson(parser.get("pathMap"), HashMap.class);
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log.info("pathMap: {}", new Gson().toJson(pathMap));
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}
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final Optional<String> parameter = Optional.ofNullable(parser.get("selectionCriteria"));
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SelectionConstraints selectionConstraints = null;
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if (parameter.isPresent()) {
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selectionConstraints = new ObjectMapper().readValue(parameter.get(), SelectionConstraints.class);
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selectionConstraints.addResolver(resolver);
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}
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Class<? extends eu.dnetlib.dhp.schema.oaf.Result> inputClazz = (Class<? extends eu.dnetlib.dhp.schema.oaf.Result>) Class
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.forName(resultClassName);
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run(
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isSparkSessionManaged, inputPath, outputPath, pathMap, selectionConstraints, inputClazz,
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resultType);
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}
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private static void run(Boolean isSparkSessionManaged, String inputPath, String outputPath,
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HashMap<String, String> pathMap, SelectionConstraints selectionConstraints,
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Class<? extends eu.dnetlib.dhp.schema.oaf.Result> inputClazz, String resultType) {
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SparkConf conf = new SparkConf();
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HashMap<String, String> finalPathMap = pathMap;
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SelectionConstraints finalSelectionConstraints = selectionConstraints;
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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 + "/original/" + resultType);
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Utils.removeOutputDir(spark, outputPath + "/dump/" + resultType);
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resultDump(
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spark, inputPath, outputPath, inputClazz, finalPathMap,
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finalSelectionConstraints, resultType);
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});
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}
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public static <I extends eu.dnetlib.dhp.schema.oaf.Result> void resultDump(
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SparkSession spark,
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String inputPath,
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String outputPath,
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Class<I> inputClazz,
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Map<String, String> pathMap,
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SelectionConstraints selectionConstraints,
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String resultType) {
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Utils
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.readPath(spark, inputPath, inputClazz)
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.map(
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(MapFunction<I, I>) value -> filterResult(
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value, pathMap, selectionConstraints, inputClazz, resultType),
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Encoders.bean(inputClazz))
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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 + "/original/" + resultType);
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Utils
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.readPath(spark, outputPath + "/original/" + resultType, inputClazz)
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.map(
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(MapFunction<I, GraphResult>) value -> (GraphResult) ResultMapper
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.map(
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value, null,
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Constants.DUMPTYPE.COMPLETE.getType()),
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Encoders.bean(GraphResult.class))
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.map((MapFunction<GraphResult, String>) r -> new ObjectMapper().writeValueAsString(r), Encoders.STRING())
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.write()
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.mode(SaveMode.Overwrite)
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.option(COMPRESSION, GZIP)
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.text(outputPath + "/dump/" + resultType);
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}
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private static <I extends eu.dnetlib.dhp.schema.oaf.Result> I filterResult(I value, Map<String, String> pathMap,
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SelectionConstraints selectionConstraints, Class<I> inputClazz,
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String resultType) {
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Optional<DataInfo> odInfo = Optional.ofNullable(value.getDataInfo());
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if (Boolean.FALSE.equals(odInfo.isPresent())) {
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return null;
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}
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if (Boolean.TRUE.equals(odInfo.get().getDeletedbyinference())
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|| Boolean.TRUE.equals(odInfo.get().getInvisible())) {
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return null;
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}
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if (!isCompatible(value.getResulttype().getClassid(), resultType)) {
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return null;
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}
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if (selectionConstraints != null) {
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Param param = new Param();
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String json = new Gson().toJson(value, inputClazz);
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DocumentContext jsonContext = JsonPath.parse(json);
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for (String key : pathMap.keySet()) {
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try {
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param.insert(key, jsonContext.read(pathMap.get(key)));
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} catch (com.jayway.jsonpath.PathNotFoundException e) {
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param.insert(key, new ArrayList<>());
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}
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}
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if (!selectionConstraints.verifyCriteria(param)) {
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return null;
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}
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}
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return value;
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}
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private static boolean isCompatible(String classid, String resultType) {
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return (classid.equals(resultType) || (classid.equals("other") && resultType.equals("otherresearchproduct")));
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}
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}
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