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close the SparkSession at the end

This commit is contained in:
Claudio Atzori 2020-03-04 10:53:31 +01:00
parent 25ceec29ab
commit 9af3e904be
1 changed files with 24 additions and 19 deletions
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19
dhp-workflows/dhp-graph-mapper/src/main/java/eu/dnetlib/dhp/graph/SparkGraphImporterJob.java
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@ -15,13 +15,8 @@ public class SparkGraphImporterJob {
final ArgumentApplicationParser parser = new ArgumentApplicationParser(IOUtils.toString(SparkGraphImporterJob.class.getResourceAsStream("/eu/dnetlib/dhp/graph/input_graph_parameters.json"))); final ArgumentApplicationParser parser = new ArgumentApplicationParser(IOUtils.toString(SparkGraphImporterJob.class.getResourceAsStream("/eu/dnetlib/dhp/graph/input_graph_parameters.json")));
parser.parseArgument(args); parser.parseArgument(args);
final SparkSession spark = SparkSession
.builder() try(SparkSession spark = getSparkSession(parser)) {
.appName(SparkGraphImporterJob.class.getSimpleName())
.master(parser.get("master"))
.config("hive.metastore.uris", parser.get("hive_metastore_uris"))
.enableHiveSupport()
.getOrCreate();
final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext()); final JavaSparkContext sc = new JavaSparkContext(spark.sparkContext());
final String inputPath = parser.get("sourcePath"); final String inputPath = parser.get("sourcePath");
@ -39,6 +34,16 @@ public class SparkGraphImporterJob {
.mode(SaveMode.Overwrite) .mode(SaveMode.Overwrite)
.saveAsTable(hiveDbName + "." + name); .saveAsTable(hiveDbName + "." + name);
}); });
}
}
private static SparkSession getSparkSession(ArgumentApplicationParser parser) {
return SparkSession
.builder()
.appName(SparkGraphImporterJob.class.getSimpleName())
.master(parser.get("master"))
.config("hive.metastore.uris", parser.get("hive_metastore_uris"))
.enableHiveSupport()
.getOrCreate();
} }
} }