/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*/
package org.apache.tinkerpop.gremlin.spark.process.computer;
import org.apache.spark.serializer.KryoSerializer;
import org.apache.tinkerpop.gremlin.LoadGraphWith;
import org.apache.tinkerpop.gremlin.hadoop.Constants;
import org.apache.tinkerpop.gremlin.spark.structure.Spark;
import org.apache.tinkerpop.gremlin.spark.structure.io.gryo.GryoRegistrator;
import org.apache.tinkerpop.gremlin.spark.structure.io.gryo.kryoshim.unshaded.UnshadedKryoShimService;
import org.apache.tinkerpop.gremlin.structure.io.gryo.kryoshim.KryoShimServiceLoader;
import java.util.Map;
import static org.apache.tinkerpop.gremlin.structure.io.gryo.kryoshim.KryoShimServiceLoader.KRYO_SHIM_SERVICE;
/**
* @author Marko A. Rodriguez (http://markorodriguez.com)
*/
public final class SparkHadoopGraphGryoRegistratorProvider extends SparkHadoopGraphProvider {
public Map<String, Object> getBaseConfiguration(final String graphName, final Class<?> test, final String testMethodName, final LoadGraphWith.GraphData loadGraphWith) {
Spark.close();
final Map<String, Object> config = super.getBaseConfiguration(graphName, test, testMethodName, loadGraphWith);
// ensure the context doesn't stay open for the GryoSerializer tests to follow
// this is primarily to ensure that the KryoShimService loaded specifically in these tests don't leak to the other tests
config.put(Constants.GREMLIN_SPARK_PERSIST_CONTEXT, false);
config.put("spark.serializer", KryoSerializer.class.getCanonicalName());
config.put("spark.kryo.registrator", GryoRegistrator.class.getCanonicalName());
System.setProperty(KRYO_SHIM_SERVICE, UnshadedKryoShimService.class.getCanonicalName());
KryoShimServiceLoader.load(true);
System.clearProperty(KRYO_SHIM_SERVICE);
return config;
}
}