dnet-hadoop/dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/oa/graph/dump/pid/SparkDumpOrganization.java

88 lines
2.8 KiB
Java

package eu.dnetlib.dhp.oa.graph.dump.pid;
import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import org.apache.commons.io.IOUtils;
import org.apache.spark.SparkConf;
import org.apache.spark.api.java.function.FlatMapFunction;
import org.apache.spark.api.java.function.MapFunction;
import org.apache.spark.sql.Dataset;
import org.apache.spark.sql.Encoders;
import org.apache.spark.sql.SaveMode;
import org.apache.spark.sql.SparkSession;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.gson.Gson;
import eu.dnetlib.dhp.application.ArgumentApplicationParser;
import eu.dnetlib.dhp.oa.graph.dump.Utils;
import eu.dnetlib.dhp.schema.dump.pidgraph.Entity;
import eu.dnetlib.dhp.schema.oaf.Organization;
public class SparkDumpOrganization implements Serializable {
private static final Logger log = LoggerFactory.getLogger(SparkDumpOrganization.class);
public static void main(String[] args) throws Exception {
String jsonConfiguration = IOUtils
.toString(
SparkDumpOrganization.class
.getResourceAsStream(
"/eu/dnetlib/dhp/oa/graph/dump_pid/input_dump_organization.json"));
final ArgumentApplicationParser parser = new ArgumentApplicationParser(jsonConfiguration);
parser.parseArgument(args);
Boolean isSparkSessionManaged = Optional
.ofNullable(parser.get("isSparkSessionManaged"))
.map(Boolean::valueOf)
.orElse(Boolean.TRUE);
log.info("isSparkSessionManaged: {}", isSparkSessionManaged);
final String inputPath = parser.get("sourcePath");
log.info("inputPath: {}", inputPath);
final String outputPath = parser.get("outputPath");
log.info("outputPath: {}", outputPath);
final List<String> allowedOrgPid = new Gson().fromJson(parser.get("allowedOrganizationPids"), List.class);
SparkConf conf = new SparkConf();
runWithSparkSession(
conf,
isSparkSessionManaged,
spark -> {
Utils.removeOutputDir(spark, outputPath);
dumpPidOrgs(spark, allowedOrgPid, inputPath, outputPath);
});
}
private static void dumpPidOrgs(SparkSession spark, List<String> allowedOrgPid, String inputPath,
String outputPath) {
Dataset<Organization> resultPids = Utils.readPath(spark, inputPath, Organization.class);
resultPids.flatMap((FlatMapFunction<Organization, Entity>) r -> {
List<Entity> ret = new ArrayList<>();
r.getPid().forEach(pid -> {
if (allowedOrgPid.contains(pid.getQualifier().getClassid().toLowerCase())) {
ret.add(Entity.newInstance(pid.getQualifier().getClassid() + ":" + pid.getValue()));
}
});
return ret.iterator();
}, Encoders.bean(Entity.class))
.write()
.mode(SaveMode.Overwrite)
.option("compression", "gzip")
.json(outputPath + "/organization");
}
}