| /* |
| * 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.openjpa.persistence.detachment; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.OptimisticLockException; |
| |
| import org.apache.openjpa.persistence.test.SingleEMFTestCase; |
| |
| import junit.textui.TestRunner; |
| |
| /** |
| * Test that attaching an instance without having changed it still overwrites |
| * any changes to the managed copy. |
| * |
| * @author Abe White |
| */ |
| public class TestAttachWithNoChanges |
| extends SingleEMFTestCase { |
| |
| @Override |
| public void setUp() { |
| setUp(DetachmentOneManyParent.class, DetachmentOneManyChild.class); |
| } |
| |
| public void testAttachWithNoChangesChecksVersion() { |
| DetachmentOneManyChild e = new DetachmentOneManyChild(); |
| DetachmentOneManyParent p = new DetachmentOneManyParent(); |
| e.setName("orig"); |
| p.addChild(e); |
| |
| EntityManager em = emf.createEntityManager(); |
| em.getTransaction().begin(); |
| em.persist(p); |
| em.persist(e); |
| em.flush(); |
| em.clear(); |
| |
| DetachmentOneManyChild changed = em.find(DetachmentOneManyChild.class, |
| e.getId()); |
| changed.setName("newname"); |
| em.flush(); |
| |
| em.merge(e); |
| try { |
| em.flush(); |
| fail("Should not be able to flush old version over new."); |
| } catch (OptimisticLockException ole) { |
| // expected |
| } finally { |
| if (em.getTransaction().isActive()) |
| em.getTransaction().rollback(); |
| em.close(); |
| } |
| } |
| |
| public static void main(String[] args) { |
| TestRunner.run(TestAttachWithNoChanges.class); |
| } |
| } |
| |