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* Licensed to the Apache Software Foundation (ASF) under one
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* 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 agEmployee_Last_Name to in writing,
* software distributed under the License is distributed on an
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* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
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*/
package org.apache.openjpa.persistence.compat;
import javax.persistence.Query;
import org.apache.openjpa.persistence.callbacks.Message;
import org.apache.openjpa.persistence.callbacks.MessageListenerImpl;
import org.apache.openjpa.conf.OpenJPAVersion;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
import org.apache.openjpa.persistence.OpenJPAEntityManager;
/**
* <b>TestCompatibile</b> is used to test various backwards compatibility scenarios between JPA 2.0 and JPA 1.2
*
* <p>The following scenarios are tested:
* <ol>
* <li>preUpdate and postUpdate behavior in JPA 2.0 is different than in 1.2
* <li>TBD
* </ol>
* <p>
* <b>Note(s):</b>
* <ul>
* <li>The proper openjpa.Compatibility value(s) must be provided in order for the testcases to succeed
* </ul>
*/
public class TestMessageListener extends SingleEMFTestCase {
public void setUp() {
setUp(Message.class,
"openjpa.Compatibility", "default",
DROP_TABLES);
}
public void testUpdateInPreUpdate() {
// Create a new EntityManager from the EntityManagerFactory. The
// EntityManager is the main object in the persistence API, and is
// used to create, delete, and query objects, as well as access
// the current transaction
OpenJPAEntityManager em = emf.createEntityManager();
try {
// Begin a new local transaction so that we can persist a new entity
em.getTransaction().begin();
MessageListenerImpl.resetCounters();
// Create and persist a new Message entity
Message message = new Message("Hello Persistence!");
assertNull("Test message's created field to be null.", message.getCreated());
assertNull("Test message's updated field to be null.", message.getUpdated());
em.persist(message);
// Pre-persist invoked, created and updated fields set
assertStatus(1, 0, 0, 0, 0, 0, 0);
assertNotNull("Test message's created field being set.", message.getCreated());
assertNotNull("Test message's updated field being set.", message.getUpdated());
// Perform a simple query to get the Message
Query q = em.createQuery("select m from Message m where m.id=" + message.getId());
Message m = (Message) q.getSingleResult();
assertEquals("Test first expected message.", "Hello Persistence!",m.getMessage());
assertNotNull("Test message's created field being set.", m.getCreated());
assertNotNull("Test message's updated field being set.", m.getUpdated());
// Query cause flush to occur, hence fire the postPersist event
assertStatus(1, 1, 0, 0, 0, 0, 0);
// Create and persist another new Message entity
message = new Message("Hello Persistence 2!");
assertNull("Test message's created field to be null.", message.getCreated());
assertNull("Test message's updated field to be null.", message.getUpdated());
em.persist(message);
// Pre-persist invoked, created and updated fields set
assertStatus(2, 1, 0, 0, 0, 0, 0);
assertNotNull("Test message's created field being set.", message.getCreated());
assertNotNull("Test message's updated field being set.", message.getUpdated());
em.getTransaction().commit();
// Complete the 2nd @postPersist
// preUpdate and postUpdate are called in 1.2.x but not in 1.3 or later
// See JPA2 Spec 3.5.2 Note about this being implementation dependent
if ((OpenJPAVersion.MAJOR_RELEASE >= 2) ||
((OpenJPAVersion.MAJOR_RELEASE == 1) &&
(OpenJPAVersion.MINOR_RELEASE >= 3))) {
assertStatus(2, 2, 0, 0, 0, 0, 0);
} else {
// prior to 2.0, pre/postUpdate was called
assertStatus(2, 2, 1, 1, 0, 0, 0);
}
// Make an update to trigger the pre/postUpdater callbacks
em.getTransaction().begin();
message = em.find(Message.class,message.getId());
message.setMessage("Update field and trigger pre/postUpdate");
em.getTransaction().commit();
// Complete the 2nd @postPersist
if ((OpenJPAVersion.MAJOR_RELEASE >= 2) ||
((OpenJPAVersion.MAJOR_RELEASE == 1) &&
(OpenJPAVersion.MINOR_RELEASE >= 3))) {
assertStatus(2, 2, 1, 1, 0, 0, 0);
} else {
assertStatus(2, 2, 2, 2, 0, 0, 0);
}
}
finally {
if (em != null && em.getTransaction().isActive())
em.getTransaction().rollback();
if (em != null && em.isOpen())
em.close();
}
}
public void testUpdateInPreUpdate2() {
// Create a new EntityManager from the EntityManagerFactory. The
// EntityManager is the main object in the persistence API, and is
// used to create, delete, and query objects, as well as access
// the current transaction
OpenJPAEntityManager em = emf.createEntityManager();
try {
// Begin a new local transaction so that we can persist a new entity
em.getTransaction().begin();
MessageListenerImpl.resetCounters();
// Create and persist a new Message entity
Message message = new Message("Hello Persistence!");
assertNull("Test message's created field to be null.", message.getCreated());
assertNull("Test message's updated field to be null.", message.getUpdated());
em.persist(message);
// Pre-persist invoked, created and updated fields set
assertStatus(1, 0, 0, 0, 0, 0, 0);
assertNotNull("Test message's created field being set.", message.getCreated());
assertNotNull("Test message's updated field being set.", message.getUpdated());
// Perform a simple query to get the Message
Query q = em.createQuery("select m from Message m where m.id=" + message.getId());
Message m = (Message) q.getSingleResult();
assertEquals("Test first expected message.", "Hello Persistence!",m.getMessage());
assertNotNull("Test message's created field being set.", m.getCreated());
assertNotNull("Test message's updated field being set.", m.getUpdated());
// Query cause flush to occur, hence fire the postPersist event
assertStatus(1, 1, 0, 0, 0, 0, 0);
// Create and persist another new Message entity
message = new Message("Hello Persistence 2!");
assertNull("Test message's created field to be null.", message.getCreated());
assertNull("Test message's updated field to be null.", message.getUpdated());
em.persist(message);
// Pre-persist invoked, created and updated fields set
assertStatus(2, 1, 0, 0, 0, 0, 0);
assertNotNull("Test message's created field being set.", message.getCreated());
assertNotNull("Test message's updated field being set.", message.getUpdated());
// Update the entity before committing
message.setMessage("Combined Create and Update triggers");
// preUpdate and postUpdate are called in 1.2.x but not in 1.3 or later
// See JPA2 Spec 3.5.2 Note about this being implementation dependent
if ((OpenJPAVersion.MAJOR_RELEASE >= 2) ||
((OpenJPAVersion.MAJOR_RELEASE == 1) &&
(OpenJPAVersion.MINOR_RELEASE >= 3))) {
assertStatus(2, 1, 0, 0, 0, 0, 0);
} else {
// prior to 2.0, pre/postUpdate was called
assertStatus(2, 1, 1, 1, 0, 0, 0);
}
em.getTransaction().commit();
// Complete the 2nd @postPersist
// preUpdate and postUpdate are called in 1.2.x but not in 1.3 or later
if ((OpenJPAVersion.MAJOR_RELEASE >= 2) ||
((OpenJPAVersion.MAJOR_RELEASE == 1) &&
(OpenJPAVersion.MINOR_RELEASE >= 3))) {
assertStatus(2, 2, 0, 0, 0, 0, 0);
} else {
assertStatus(2, 2, 1, 1, 0, 0, 0);
}
// Make an update to trigger the pre/postUpdater callbacks
em.getTransaction().begin();
message = em.find(Message.class,message.getId());
message.setMessage("Update field and trigger pre/postUpdate");
em.getTransaction().commit();
// Complete the 2nd @postPersist
if ((OpenJPAVersion.MAJOR_RELEASE >= 2) ||
((OpenJPAVersion.MAJOR_RELEASE == 1) &&
(OpenJPAVersion.MINOR_RELEASE >= 3))) {
assertStatus(2, 2, 1, 1, 0, 0, 0);
} else {
assertStatus(2, 2, 2, 2, 0, 0, 0);
}
}
finally {
if (em != null && em.getTransaction().isActive())
em.getTransaction().rollback();
if (em != null && em.isOpen())
em.close();
}
}
private void assertStatus(int prePersist, int postPersist, int preUpdate,
int postUpdate, int preRemove, int postRemove, int postLoad) {
assertEquals("prePersist", prePersist, MessageListenerImpl.prePersistCount);
assertEquals("postPersist", postPersist, MessageListenerImpl.postPersistCount);
assertEquals("preUpdate", preUpdate, MessageListenerImpl.preUpdateCount);
assertEquals("postUpdate", postUpdate, MessageListenerImpl.postUpdateCount);
assertEquals("preRemove", preRemove, MessageListenerImpl.preRemoveCount);
assertEquals("postRemove", postRemove, MessageListenerImpl.postRemoveCount);
assertEquals("postLoad", postLoad, MessageListenerImpl.postLoadCount);
}
}