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.readGraph.getSingleType;
14 import org.simantics.db.ReadGraph;
15 import org.simantics.db.Resource;
16 import org.simantics.db.WriteGraph;
17 import org.simantics.db.exception.DatabaseException;
18 import org.simantics.db.exception.NoSingleResultException;
19 import org.simantics.db.testing.base.WriteReadTest;
20 import org.simantics.db.tests.common.Writes;
22 public class GetSingleTypeTest3 extends WriteReadTest {
24 private Resource type1;
25 private Resource type2;
26 private Resource type3;
27 private Resource named1;
28 private Resource instance1;
31 protected void write(WriteGraph graph) throws DatabaseException {
33 type1 = graph.newResource();
34 graph.claim(type1, L0.Inherits, L0.Entity);
35 type2 = graph.newResource();
36 graph.claim(type2, L0.Inherits, L0.Entity);
37 type3 = graph.newResource();
38 graph.claim(type3, L0.Inherits, L0.Entity);
41 graph.claim(type3, L0.Asserts, Writes.assertion(graph, L0.Inherits, type1));
42 graph.claim(type3, L0.Asserts, Writes.assertion(graph, L0.Inherits, type2));
44 instance1 = graph.newResource();
45 graph.claim(instance1, L0.InstanceOf, type3);
49 protected void read(ReadGraph graph) throws DatabaseException {
51 Resource result = graph.getSingleType(instance1);
52 assertNotNull("Null not allowed", result);
53 assertTrue("Wrong type", result.equals(type3));
55 } catch (NoSingleResultException e) {
56 fail("More than single results");
57 } catch (Throwable t) {
58 fail("Wrong exception: " + t.getClass().getCanonicalName());