| /* |
| * 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 |
| * under the License. |
| */ |
| package org.apache.tinkerpop.gremlin.spark.structure.io; |
| |
| import org.apache.commons.configuration2.BaseConfiguration; |
| import org.apache.commons.configuration2.Configuration; |
| import org.apache.tinkerpop.gremlin.TestHelper; |
| import org.apache.tinkerpop.gremlin.hadoop.Constants; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.HadoopGraph; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.io.gryo.GryoOutputFormat; |
| import org.apache.tinkerpop.gremlin.process.traversal.P; |
| import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource; |
| import org.apache.tinkerpop.gremlin.spark.AbstractSparkTest; |
| import org.apache.tinkerpop.gremlin.spark.process.computer.SparkGraphComputer; |
| import org.apache.tinkerpop.gremlin.spark.structure.io.gryo.GryoSerializer; |
| import org.apache.tinkerpop.gremlin.structure.Graph; |
| import org.apache.tinkerpop.gremlin.structure.util.GraphFactory; |
| import org.junit.Test; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| /** |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| */ |
| public class InputRDDTest extends AbstractSparkTest { |
| |
| @Test |
| public void shouldReadFromArbitraryRDD() { |
| final Configuration configuration = new BaseConfiguration(); |
| configuration.setProperty("spark.master", "local[4]"); |
| configuration.setProperty("spark.serializer", GryoSerializer.class.getCanonicalName()); |
| configuration.setProperty(Graph.GRAPH, HadoopGraph.class.getName()); |
| configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_READER, ExampleInputRDD.class.getCanonicalName()); |
| configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_WRITER, GryoOutputFormat.class.getCanonicalName()); |
| configuration.setProperty(Constants.GREMLIN_HADOOP_OUTPUT_LOCATION, TestHelper.makeTestDataDirectory(this.getClass(), "shouldReadFromArbitraryRDD")); |
| configuration.setProperty(Constants.GREMLIN_HADOOP_JARS_IN_DISTRIBUTED_CACHE, false); |
| //////// |
| Graph graph = GraphFactory.open(configuration); |
| assertEquals(123l, graph.traversal().withComputer(SparkGraphComputer.class).V().values("age").sum().next()); |
| assertEquals(Long.valueOf(4l), graph.traversal().withComputer(SparkGraphComputer.class).V().count().next()); |
| } |
| |
| @Test |
| public void shouldSupportHadoopGraphOLTP() { |
| final Configuration configuration = new BaseConfiguration(); |
| configuration.setProperty("spark.master", "local[4]"); |
| configuration.setProperty("spark.serializer", GryoSerializer.class.getCanonicalName()); |
| configuration.setProperty(Graph.GRAPH, HadoopGraph.class.getName()); |
| configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_READER, ExampleInputRDD.class.getCanonicalName()); |
| configuration.setProperty(Constants.GREMLIN_HADOOP_GRAPH_WRITER, GryoOutputFormat.class.getCanonicalName()); |
| configuration.setProperty(Constants.GREMLIN_HADOOP_OUTPUT_LOCATION, TestHelper.makeTestDataDirectory(this.getClass(), "shouldSupportHadoopGraphOLTP")); |
| configuration.setProperty(Constants.GREMLIN_HADOOP_JARS_IN_DISTRIBUTED_CACHE, false); |
| //////// |
| Graph graph = GraphFactory.open(configuration); |
| GraphTraversalSource g = graph.traversal(); // OLTP; |
| assertEquals("person", g.V().has("age", 29).next().label()); |
| assertEquals(Long.valueOf(4), g.V().count().next()); |
| assertEquals(Long.valueOf(0), g.E().count().next()); |
| assertEquals(Long.valueOf(2), g.V().has("age", P.gt(30)).count().next()); |
| } |
| } |