01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one
03: * or more contributor license agreements. See the NOTICE file
04: * distributed with this work for additional information
05: * regarding copyright ownership. The ASF licenses this file
06: * to you under the Apache License, Version 2.0 (the
07: * "License"); you may not use this file except in compliance
08: * with the License. You may obtain a copy of the License at
09: *
10: * http://www.apache.org/licenses/LICENSE-2.0
11: *
12: * Unless required by applicable law or agreed to in writing,
13: * software distributed under the License is distributed on an
14: * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15: * KIND, either express or implied. See the License for the
16: * specific language governing permissions and limitations
17: * under the License.
18: */
19: package org.apache.openjpa.persistence.inheritance;
20:
21: import javax.persistence.EntityManager;
22:
23: import junit.textui.TestRunner;
24: import org.apache.openjpa.persistence.test.SingleEMFTestCase;
25:
26: /**
27: * Test that you can find a concrete subclass record when passing in its
28: * abstract base class to EntityManager.find().
29: *
30: * @author Abe White
31: */
32: public class TestFindAbstractClass extends SingleEMFTestCase {
33:
34: public void setUp() {
35: setUp(AbstractBase.class, ConcreteSubclass.class);
36:
37: ConcreteSubclass e = new ConcreteSubclass();
38: e.setId("id");
39: e.setSubclassData(1);
40:
41: EntityManager em = emf.createEntityManager();
42: em.getTransaction().begin();
43: em.persist(e);
44: em.getTransaction().commit();
45: em.close();
46: }
47:
48: public void testFind() {
49: EntityManager em = emf.createEntityManager();
50: AbstractBase e = em.find(AbstractBase.class, "id");
51: assertNotNull(e);
52: assertTrue(e instanceof ConcreteSubclass);
53: assertEquals(1, ((ConcreteSubclass) e).getSubclassData());
54: em.close();
55: }
56:
57: public static void main(String[] args) {
58: TestRunner.run(TestFindAbstractClass.class);
59: }
60: }
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