| /* |
| * 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.simple; |
| |
| import java.io.*; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.EntityManagerFactory; |
| import javax.persistence.EntityTransaction; |
| |
| import junit.textui.TestRunner; |
| import org.apache.openjpa.persistence.OpenJPAEntityManager; |
| import org.apache.openjpa.persistence.test.SingleEMFTestCase; |
| |
| /** |
| * Tests that a EntityManagerFactory can be used after serialization. |
| * |
| * @author David Ezzio |
| */ |
| public class TestSerializedFactory extends SingleEMFTestCase { |
| |
| public void setUp() { |
| setUp(AllFieldTypes.class); |
| } |
| |
| /** |
| * This test case assumes that OpenJPA creates EMF objects that are |
| * instances of the Serializable interface. If this changes, the test logic |
| * has to change. |
| * <p> |
| * Currently, although the EMF objects implement Serializable, they do not |
| * successfully pass through serialization. Once they do (assuming they |
| * should), the catch block in the test and the fail method invocation can |
| * be removed. |
| */ |
| public void testSerializedEntityManagerFactory() throws Exception { |
| // correct the logic if and when EMFs do not implement |
| // the serializable interface |
| assertTrue("EntityManagerFactory object is not serializable", |
| emf instanceof Serializable); |
| |
| // serialize and deserialize the entity manager factory |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| ObjectOutputStream oos = new ObjectOutputStream(baos); |
| oos.writeObject(emf); |
| EntityManagerFactory emf2 = |
| (EntityManagerFactory) new ObjectInputStream( |
| new ByteArrayInputStream(baos.toByteArray())).readObject(); |
| |
| // use the deserialized entity manager factory |
| assertTrue("The deserialized entity manager factory is not open", |
| emf2.isOpen()); |
| EntityManager em = emf2.createEntityManager(); |
| assertTrue("The newly created entity manager is not open", |
| em.isOpen()); |
| |
| // exercise the entity manager produced from the deserialized EMF |
| em.getTransaction().begin(); |
| em.persist(new AllFieldTypes()); |
| em.getTransaction().commit(); |
| |
| // close the extra resources |
| em.close(); |
| assertFalse("The entity manager is not closed", em.isOpen()); |
| |
| // clean up any committed records, etc. |
| clear(emf2); |
| if (emf2.isOpen()) |
| emf2.close(); |
| assertFalse("The entity manager factory is not closed", |
| emf2.isOpen()); |
| } |
| |
| public static void main(String[] args) { |
| TestRunner.run(TestSerializedFactory.class); |
| } |
| } |