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dnet-hadoop
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changed the way to save the results to aviod NegativeArray... error

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Miriam Baglioni 2020-04-16 10:50:09 +02:00
parent 79b978ec57
commit a8100baed6
1 changed files with 32 additions and 16 deletions
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48
dhp-workflows/dhp-propagation/src/main/java/eu/dnetlib/dhp/resulttoorganizationfrominstrepo/PrepareResultInstRepoAssociation.java
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@ -6,8 +6,10 @@ import eu.dnetlib.dhp.schema.oaf.Datasource;
import eu.dnetlib.dhp.schema.oaf.Organization; import eu.dnetlib.dhp.schema.oaf.Organization;
import eu.dnetlib.dhp.schema.oaf.Relation; import eu.dnetlib.dhp.schema.oaf.Relation;
import org.apache.commons.io.IOUtils; import org.apache.commons.io.IOUtils;
import org.apache.hadoop.io.compress.GzipCodec;
import org.apache.spark.SparkConf; import org.apache.spark.SparkConf;
import org.apache.spark.api.java.JavaSparkContext; import org.apache.spark.api.java.JavaSparkContext;
import org.apache.spark.sql.Dataset;
import org.apache.spark.sql.Encoders; import org.apache.spark.sql.Encoders;
import org.apache.spark.sql.SaveMode; import org.apache.spark.sql.SaveMode;
import org.apache.spark.sql.SparkSession; import org.apache.spark.sql.SparkSession;
@ -50,12 +52,34 @@ public class PrepareResultInstRepoAssociation {
runWithSparkHiveSession(conf, isSparkSessionManaged, runWithSparkHiveSession(conf, isSparkSessionManaged,
spark -> { spark -> {
prepareAssociations(spark, inputPath, datasourceOrganizationPath, alreadyLinkedPath); readNeededResources(spark, inputPath);
prepareDatasourceOrganizationAssociations(spark, datasourceOrganizationPath, alreadyLinkedPath);
prepareAlreadyLinkedAssociation(spark, alreadyLinkedPath);
}); });
} }
private static void prepareAssociations(SparkSession spark, String inputPath, String datasourceOrganizationPath, private static void prepareAlreadyLinkedAssociation(SparkSession spark, String alreadyLinkedPath) {
String alreadyLinkedPath){ String query = "Select source resultId, collect_set(target) organizationSet " +
"from relation " +
"where datainfo.deletedbyinference = false " +
"and relClass = '" + RELATION_RESULT_ORGANIZATION_REL_CLASS +"' " +
"group by source";
spark.sql(query)
.as(Encoders.bean(ResultOrganizationSet.class))
.toJavaRDD()
.map(r -> OBJECT_MAPPER.writeValueAsString(r))
.saveAsTextFile(alreadyLinkedPath, GzipCodec.class);
// .as(Encoders.bean(ResultOrganizationSet.class))
// .toJSON()
// .write()
// .mode(SaveMode.Overwrite)
// .option("compression","gzip")
// .text(alreadyLinkedPath);
}
private static void readNeededResources(SparkSession spark, String inputPath) {
final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext()); final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext());
org.apache.spark.sql.Dataset<Datasource> datasource = spark.createDataset(sc.textFile(inputPath + "/datasource") org.apache.spark.sql.Dataset<Datasource> datasource = spark.createDataset(sc.textFile(inputPath + "/datasource")
@ -70,6 +94,11 @@ public class PrepareResultInstRepoAssociation {
datasource.createOrReplaceTempView("datasource"); datasource.createOrReplaceTempView("datasource");
relation.createOrReplaceTempView("relation"); relation.createOrReplaceTempView("relation");
organization.createOrReplaceTempView("organization"); organization.createOrReplaceTempView("organization");
}
private static void prepareDatasourceOrganizationAssociations(SparkSession spark, String datasourceOrganizationPath,
String alreadyLinkedPath){
String query = "SELECT source datasourceId, target organizationId " + String query = "SELECT source datasourceId, target organizationId " +
"FROM ( SELECT id " + "FROM ( SELECT id " +
@ -90,19 +119,6 @@ public class PrepareResultInstRepoAssociation {
.option("compression","gzip") .option("compression","gzip")
.text(datasourceOrganizationPath); .text(datasourceOrganizationPath);
query = "Select source, collect_set(target) organizationSet " +
"from relation " +
"where datainfo.deletedbyinference = false " +
"and relClass = '" + RELATION_RESULT_ORGANIZATION_REL_CLASS +"' " +
"group by source";
spark.sql(query)
.as(Encoders.bean(ResultOrganizationSet.class))
.toJSON()
.write()
.mode(SaveMode.Overwrite)
.option("compression","gzip")
.text(alreadyLinkedPath);
} }