1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
4 * All rights reserved. This program and the accompanying materials
5 * are made available under the terms of the Eclipse Public License v1.0
6 * which accompanies this distribution, and is available at
7 * http://www.eclipse.org/legal/epl-v10.html
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.tests.api.request.listening;
14 import java.util.Collection;
16 import org.junit.Test;
17 import org.simantics.db.ReadGraph;
18 import org.simantics.db.Resource;
19 import org.simantics.db.Session;
20 import org.simantics.db.WriteGraph;
21 import org.simantics.db.common.procedure.adapter.ListenerAdapter;
22 import org.simantics.db.common.request.WriteRequest;
23 import org.simantics.db.common.request.WriteResultRequest;
24 import org.simantics.db.exception.DatabaseException;
25 import org.simantics.db.request.Read;
26 import org.simantics.db.testing.base.ExistingDatabaseTest;
27 import org.simantics.layer0.Layer0;
29 public class QueryResultCompareTest1 extends ExistingDatabaseTest {
32 public void testNullArrayCompare() throws Exception {
34 final Session session = getSession();
36 final Resource newResource = getSession().syncRequest(new WriteResultRequest<Resource>() {
38 public Resource perform(WriteGraph graph) throws DatabaseException {
39 return graph.newResource();
43 session.syncRequest(new Read<Resource[]>() {
45 public Resource[] perform(ReadGraph graph) throws DatabaseException {
46 Layer0 b = Layer0.getInstance(graph);
47 Collection<Resource> coll = graph.getObjects(newResource, b.ConsistsOf);
48 if(coll.isEmpty()) return null;
49 else return coll.toArray(Resource.NONE);
51 }, new ListenerAdapter<Resource[]>() {
53 public boolean isDisposed() {
58 getSession().syncRequest(new WriteRequest() {
60 public void perform(WriteGraph graph) throws DatabaseException {
61 Layer0 b = Layer0.getInstance(graph);
62 graph.claim(newResource, b.ConsistsOf, graph.newResource());