| /** |
| * 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.atlas.repository.graphdb.titan1; |
| |
| import org.apache.atlas.graph.GraphSandboxUtil; |
| import org.apache.atlas.repository.Constants; |
| import org.apache.atlas.repository.graphdb.AtlasCardinality; |
| import org.apache.atlas.repository.graphdb.AtlasGraph; |
| import org.apache.atlas.repository.graphdb.AtlasGraphManagement; |
| import org.apache.atlas.repository.graphdb.AtlasPropertyKey; |
| import org.apache.atlas.repository.graphdb.AtlasVertex; |
| import org.testng.annotations.AfterClass; |
| import org.testng.annotations.AfterMethod; |
| import org.testng.annotations.BeforeClass; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * |
| */ |
| public abstract class AbstractGraphDatabaseTest { |
| |
| protected static final String WEIGHT_PROPERTY = "weight"; |
| protected static final String TRAIT_NAMES = Constants.TRAIT_NAMES_PROPERTY_KEY; |
| protected static final String TYPE_PROPERTY_NAME = "__type"; |
| protected static final String TYPESYSTEM = "TYPESYSTEM"; |
| |
| private static final String BACKING_INDEX_NAME = "backing"; |
| |
| private AtlasGraph<?, ?> graph = null; |
| |
| @BeforeClass |
| public static void createIndices() { |
| GraphSandboxUtil.create(); |
| |
| Titan1GraphDatabase db = new Titan1GraphDatabase(); |
| AtlasGraphManagement mgmt = db.getGraph().getManagementSystem(); |
| |
| if (mgmt.getGraphIndex(BACKING_INDEX_NAME) == null) { |
| mgmt.createVertexIndex(BACKING_INDEX_NAME, Constants.BACKING_INDEX, |
| Collections.<AtlasPropertyKey>emptyList()); |
| } |
| mgmt.makePropertyKey("age13", Integer.class, AtlasCardinality.SINGLE); |
| |
| createIndices(mgmt, "name", String.class, false, AtlasCardinality.SINGLE); |
| createIndices(mgmt, WEIGHT_PROPERTY, Integer.class, false, AtlasCardinality.SINGLE); |
| createIndices(mgmt, "size15", String.class, false, AtlasCardinality.SINGLE); |
| createIndices(mgmt, "typeName", String.class, false, AtlasCardinality.SINGLE); |
| createIndices(mgmt, "__type", String.class, false, AtlasCardinality.SINGLE); |
| createIndices(mgmt, Constants.GUID_PROPERTY_KEY, String.class, true, AtlasCardinality.SINGLE); |
| createIndices(mgmt, Constants.TRAIT_NAMES_PROPERTY_KEY, String.class, false, AtlasCardinality.SET); |
| createIndices(mgmt, Constants.SUPER_TYPES_PROPERTY_KEY, String.class, false, AtlasCardinality.SET); |
| mgmt.commit(); |
| } |
| |
| @AfterMethod |
| public void commitGraph() { |
| //force any pending actions to be committed so we can be sure they don't cause errors. |
| pushChangesAndFlushCache(); |
| getGraph().commit(); |
| } |
| |
| @AfterClass |
| public static void cleanUp() { |
| Titan1Graph graph = new Titan1Graph(); |
| graph.clear(); |
| |
| } |
| |
| protected <V, E> void pushChangesAndFlushCache() { |
| getGraph().commit(); |
| } |
| |
| private static void createIndices(AtlasGraphManagement management, String propertyName, Class propertyClass, |
| boolean isUnique, AtlasCardinality cardinality) { |
| |
| if (management.containsPropertyKey(propertyName)) { |
| //index was already created |
| return; |
| } |
| |
| AtlasPropertyKey key = management.makePropertyKey(propertyName, propertyClass, cardinality); |
| try { |
| if (propertyClass != Integer.class) { |
| management.addVertexIndexKey(BACKING_INDEX_NAME, key); |
| } |
| } catch(Throwable t) { |
| //ok |
| t.printStackTrace(); |
| } |
| try { |
| management.createExactMatchIndex(propertyName, isUnique, Collections.singletonList(key)); |
| |
| } catch(Throwable t) { |
| //ok |
| t.printStackTrace(); |
| } |
| |
| |
| } |
| |
| |
| |
| |
| protected final <V, E> AtlasGraph<V, E> getGraph() { |
| if (graph == null) { |
| graph = new Titan1Graph(); |
| } |
| return (AtlasGraph<V, E>)graph; |
| } |
| |
| protected Titan1Graph getTitan1Graph() { |
| AtlasGraph g = getGraph(); |
| return (Titan1Graph)g; |
| } |
| |
| |
| protected List<AtlasVertex> newVertices = new ArrayList<>(); |
| |
| protected final <V, E> AtlasVertex<V, E> createVertex(AtlasGraph<V, E> theGraph) { |
| AtlasVertex<V, E> vertex = theGraph.addVertex(); |
| newVertices.add(vertex); |
| return vertex; |
| } |
| |
| @AfterMethod |
| public void removeVertices() { |
| for(AtlasVertex vertex : newVertices) { |
| if (vertex.exists()) { |
| getGraph().removeVertex(vertex); |
| } |
| } |
| getGraph().commit(); |
| newVertices.clear(); |
| } |
| protected void runSynchronouslyInNewThread(final Runnable r) throws Throwable { |
| |
| RunnableWrapper wrapper = new RunnableWrapper(r); |
| Thread th = new Thread(wrapper); |
| th.start(); |
| th.join(); |
| Throwable ex = wrapper.getExceptionThrown(); |
| if (ex != null) { |
| throw ex; |
| } |
| } |
| |
| private static final class RunnableWrapper implements Runnable { |
| private final Runnable r; |
| private Throwable exceptionThrown = null; |
| |
| private RunnableWrapper(Runnable r) { |
| this.r = r; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| r.run(); |
| } catch(Throwable e) { |
| exceptionThrown = e; |
| } |
| |
| } |
| |
| public Throwable getExceptionThrown() { |
| return exceptionThrown; |
| } |
| } |
| |
| } |