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;
21 public class GetSingleTypeTest1 extends WriteReadTest {
23 private Resource type1;
24 private Resource type2;
25 private Resource instance1;
28 protected void write(WriteGraph graph) throws DatabaseException {
29 type1 = graph.newResource();
30 graph.claim(type1, L0.Inherits, L0.Entity);
32 type2 = graph.newResource();
33 graph.claim(type2, L0.Inherits, L0.Entity);
35 instance1 = graph.newResource();
36 graph.claim(instance1, L0.InstanceOf,type1);
37 graph.claim(instance1, L0.InstanceOf,type2);
42 protected void read(ReadGraph graph) throws DatabaseException {
44 assertNotNull("Null not allowed",graph.getSingleType(instance1));
45 } catch (NoSingleResultException e) {
47 } catch (Throwable t) {
48 fail("Wrong exception");