2020-06-09 15:37:46 +02:00
|
|
|
package eu.dnetlib.dhp.oa.graph.dump;
|
|
|
|
|
2020-06-09 15:39:03 +02:00
|
|
|
import com.fasterxml.jackson.databind.ObjectMapper;
|
|
|
|
import eu.dnetlib.dhp.application.ArgumentApplicationParser;
|
|
|
|
import eu.dnetlib.dhp.schema.dump.oaf.Projects;
|
|
|
|
import eu.dnetlib.dhp.schema.dump.oaf.Result;
|
|
|
|
import eu.dnetlib.dhp.schema.oaf.Project;
|
|
|
|
import eu.dnetlib.dhp.schema.oaf.Relation;
|
|
|
|
import org.apache.commons.io.IOUtils;
|
|
|
|
import org.apache.spark.SparkConf;
|
|
|
|
import org.apache.spark.api.java.function.MapFunction;
|
|
|
|
import org.apache.spark.api.java.function.MapGroupsFunction;
|
|
|
|
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 scala.Tuple2;
|
|
|
|
|
|
|
|
import java.io.Serializable;
|
|
|
|
import java.util.Arrays;
|
|
|
|
import java.util.List;
|
|
|
|
import java.util.Optional;
|
|
|
|
import java.util.stream.Collectors;
|
|
|
|
|
|
|
|
import static eu.dnetlib.dhp.common.SparkSessionSupport.runWithSparkSession;
|
|
|
|
|
|
|
|
public class SparkPrepareResultProject implements Serializable {
|
|
|
|
private static final Logger log = LoggerFactory.getLogger(SparkPrepareResultProject.class);
|
|
|
|
|
|
|
|
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
String jsonConfiguration = IOUtils
|
|
|
|
.toString(
|
|
|
|
SparkPrepareResultProject.class
|
|
|
|
.getResourceAsStream(
|
|
|
|
"/eu/dnetlib/dhp/oa/graph/dump/project_prepare_parameters.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);
|
|
|
|
|
|
|
|
|
|
|
|
SparkConf conf = new SparkConf();
|
|
|
|
|
|
|
|
runWithSparkSession(
|
|
|
|
conf,
|
|
|
|
isSparkSessionManaged,
|
|
|
|
spark -> {
|
|
|
|
Utils.removeOutputDir(spark, outputPath);
|
|
|
|
prepareResultProjectList(spark, inputPath, outputPath);
|
|
|
|
});
|
|
|
|
}
|
|
|
|
|
|
|
|
private static void prepareResultProjectList(SparkSession spark, String inputPath, String outputPath) {
|
|
|
|
Dataset<Relation> relation = Utils.readPath(spark, inputPath + "/relation" , Relation.class)
|
|
|
|
.filter("dataInfo.deletedbyinference = false and relClass = 'produces'");
|
|
|
|
Dataset<Project> projects = Utils.readPath(spark, inputPath + "/project" , Project.class);
|
|
|
|
|
|
|
|
projects.joinWith(relation, projects.col("id").equalTo(relation.col("source")))
|
|
|
|
.groupByKey((MapFunction<Tuple2<Project,Relation>,String>)value -> value._2().getTarget(), Encoders.STRING())
|
|
|
|
.mapGroups((MapGroupsFunction<String, Tuple2<Project,Relation>, ResultProject>) (s, it) ->
|
|
|
|
{
|
|
|
|
Tuple2<Project, Relation> first = it.next();
|
|
|
|
ResultProject rp = new ResultProject();
|
|
|
|
rp.setResultId(first._2().getTarget());
|
|
|
|
Project p = first._1();
|
|
|
|
Projects ps = Projects.newInstance(p.getId(), p.getCode().getValue(), p.getAcronym().getValue(),
|
|
|
|
p.getTitle().getValue(), p.getFundingtree()
|
|
|
|
.stream()
|
|
|
|
.map(ft -> ft.getValue()).collect(Collectors.toList()));
|
|
|
|
List<Projects> projList = Arrays.asList(ps);
|
|
|
|
rp.setProjectsList(projList);
|
|
|
|
it.forEachRemaining(c -> {
|
|
|
|
Project op = c._1();
|
|
|
|
projList.add(Projects.newInstance(op.getId(), op.getCode().getValue(),
|
|
|
|
op.getAcronym().getValue(), op.getTitle().getValue(),
|
|
|
|
op.getFundingtree().stream().map(ft -> ft.getValue()).collect(Collectors.toList())));
|
|
|
|
});
|
|
|
|
return rp;
|
|
|
|
} ,Encoders.bean(ResultProject.class))
|
|
|
|
.write()
|
|
|
|
.mode(SaveMode.Overwrite)
|
|
|
|
.option("compression", "gzip")
|
|
|
|
.json(outputPath);
|
|
|
|
}
|
2020-06-09 15:37:46 +02:00
|
|
|
}
|