| /* |
| * 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.hadoop; |
| |
| import org.apache.commons.configuration.Configuration; |
| import org.apache.tinkerpop.gremlin.AbstractGraphProvider; |
| import org.apache.tinkerpop.gremlin.LoadGraphWith; |
| import org.apache.tinkerpop.gremlin.TestHelper; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.HadoopEdge; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.HadoopElement; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.HadoopGraph; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.HadoopProperty; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.HadoopVertex; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.HadoopVertexProperty; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.io.graphson.GraphSONInputFormat; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.io.gryo.GryoInputFormat; |
| import org.apache.tinkerpop.gremlin.hadoop.structure.io.gryo.GryoOutputFormat; |
| import org.apache.tinkerpop.gremlin.process.computer.util.ComputerGraph; |
| import org.apache.tinkerpop.gremlin.structure.Graph; |
| import org.apache.tinkerpop.gremlin.structure.io.graphson.GraphSONResourceAccess; |
| import org.apache.tinkerpop.gremlin.structure.io.gryo.GryoResourceAccess; |
| import org.apache.tinkerpop.gremlin.structure.io.script.ScriptResourceAccess; |
| |
| import java.util.Arrays; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Random; |
| import java.util.Set; |
| |
| /** |
| * @author Marko A. Rodriguez (http://markorodriguez.com) |
| * @author Stephen Mallette (http://stephen.genoprime.com) |
| * @author Daniel Kuppitz (http://gremlin.guru) |
| */ |
| public class HadoopGraphProvider extends AbstractGraphProvider { |
| |
| private static final Random RANDOM = new Random(); |
| private boolean graphSONInput = false; |
| |
| public static Map<String, String> PATHS = new HashMap<>(); |
| private static final Set<Class> IMPLEMENTATION = new HashSet<Class>() {{ |
| add(HadoopEdge.class); |
| add(HadoopElement.class); |
| add(HadoopGraph.class); |
| add(HadoopProperty.class); |
| add(HadoopVertex.class); |
| add(HadoopVertexProperty.class); |
| add(ComputerGraph.class); |
| add(ComputerGraph.ComputerElement.class); |
| add(ComputerGraph.ComputerVertex.class); |
| add(ComputerGraph.ComputerEdge.class); |
| add(ComputerGraph.ComputerVertexProperty.class); |
| add(ComputerGraph.ComputerAdjacentVertex.class); |
| add(ComputerGraph.ComputerProperty.class); |
| }}; |
| |
| static { |
| try { |
| final List<String> kryoResources = Arrays.asList( |
| "tinkerpop-modern.kryo", |
| "grateful-dead.kryo", |
| "tinkerpop-classic.kryo", |
| "tinkerpop-crew.kryo"); |
| for (final String fileName : kryoResources) { |
| PATHS.put(fileName, TestHelper.generateTempFileFromResource(GryoResourceAccess.class, fileName, "").getAbsolutePath().replace('\\', '/')); |
| } |
| |
| final List<String> graphsonResources = Arrays.asList( |
| "tinkerpop-modern.json", |
| "grateful-dead.json", |
| "tinkerpop-classic.json", |
| "tinkerpop-crew.json"); |
| for (final String fileName : graphsonResources) { |
| PATHS.put(fileName, TestHelper.generateTempFileFromResource(GraphSONResourceAccess.class, fileName, "").getAbsolutePath().replace('\\', '/')); |
| } |
| |
| final List<String> scriptResources = Arrays.asList( |
| "tinkerpop-classic.txt", |
| "script-input.groovy", |
| "script-output.groovy", |
| "grateful-dead.txt", |
| "script-input-grateful-dead.groovy", |
| "script-output-grateful-dead.groovy"); |
| for (final String fileName : scriptResources) { |
| PATHS.put(fileName, TestHelper.generateTempFileFromResource(ScriptResourceAccess.class, fileName, "").getAbsolutePath().replace('\\', '/')); |
| } |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| @Override |
| public Map<String, Object> getBaseConfiguration(final String graphName, final Class<?> test, final String testMethodName, final LoadGraphWith.GraphData loadGraphWith) { |
| this.graphSONInput = RANDOM.nextBoolean(); |
| return new HashMap<String, Object>() {{ |
| put(Graph.GRAPH, HadoopGraph.class.getName()); |
| put(Constants.GREMLIN_HADOOP_GRAPH_INPUT_FORMAT, graphSONInput ? GraphSONInputFormat.class.getCanonicalName() : GryoInputFormat.class.getCanonicalName()); |
| put(Constants.GREMLIN_HADOOP_GRAPH_OUTPUT_FORMAT, GryoOutputFormat.class.getCanonicalName()); |
| put(Constants.GREMLIN_HADOOP_OUTPUT_LOCATION, getWorkingDirectory()); |
| put(Constants.GREMLIN_HADOOP_JARS_IN_DISTRIBUTED_CACHE, false); |
| }}; |
| } |
| |
| @Override |
| public void clear(final Graph graph, final Configuration configuration) throws Exception { |
| if (graph != null) |
| graph.close(); |
| } |
| |
| @Override |
| public void loadGraphData(final Graph graph, final LoadGraphWith loadGraphWith, final Class testClass, final String testName) { |
| if (loadGraphWith != null) this.loadGraphDataViaHadoopConfig(graph, loadGraphWith.value()); |
| } |
| |
| @Override |
| public Set<Class> getImplementations() { |
| return IMPLEMENTATION; |
| } |
| |
| public void loadGraphDataViaHadoopConfig(final Graph g, final LoadGraphWith.GraphData graphData) { |
| final String type = this.graphSONInput ? "json" : "kryo"; |
| |
| if (graphData.equals(LoadGraphWith.GraphData.GRATEFUL)) { |
| ((HadoopGraph) g).configuration().setInputLocation(PATHS.get("grateful-dead." + type)); |
| } else if (graphData.equals(LoadGraphWith.GraphData.MODERN)) { |
| ((HadoopGraph) g).configuration().setInputLocation(PATHS.get("tinkerpop-modern." + type)); |
| } else if (graphData.equals(LoadGraphWith.GraphData.CLASSIC)) { |
| ((HadoopGraph) g).configuration().setInputLocation(PATHS.get("tinkerpop-classic." + type)); |
| } else if (graphData.equals(LoadGraphWith.GraphData.CREW)) { |
| ((HadoopGraph) g).configuration().setInputLocation(PATHS.get("tinkerpop-crew." + type)); |
| } else { |
| throw new RuntimeException("Could not load graph with " + graphData); |
| } |
| } |
| } |