Author: dezzio
Date: Wed Jan 30 16:59:02 2008
New Revision: 616972
URL: http://svn.apache.org/viewvc?rev=616972&view=rev
Log:
Allow EntityManagerFactory objects to be serialized and deserialized
successfully.
Added:
openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestSerializedFactory.java
(with props)
Modified:
openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/AbstractBrokerFactory.java
Modified:
openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/AbstractBrokerFactory.java
URL:
http://svn.apache.org/viewvc/openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/AbstractBrokerFactory.java?rev=616972&r1=616971&r2=616972&view=diff
==============================================================================
---
openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/AbstractBrokerFactory.java
(original)
+++
openjpa/trunk/openjpa-kernel/src/main/java/org/apache/openjpa/kernel/AbstractBrokerFactory.java
Wed Jan 30 16:59:02 2008
@@ -147,8 +147,7 @@
*/
protected AbstractBrokerFactory(OpenJPAConfiguration config) {
_conf = config;
- _pcClassLoaders = new ConcurrentReferenceHashSet(
- ConcurrentReferenceHashSet.WEAK);
+ getPcClassLoaders();
}
/**
@@ -287,13 +286,13 @@
if (needsSub(cls))
toRedefine.add(cls);
}
- _pcClassLoaders.add(loader);
+ getPcClassLoaders().add(loader);
_pcClassNames = c;
}
_persistentTypesLoaded = true;
} else {
// reload with this loader
- if (_pcClassLoaders.add(loader)) {
+ if (getPcClassLoaders().add(loader)) {
for (Iterator itr = _pcClassNames.iterator();
itr.hasNext();) {
try {
Class cls =
@@ -818,4 +817,15 @@
_transactional.remove (_trans);
}
}
+
+ /**
+ * Method insures that deserialized EMF has this reference
re-instantiated
+ */
+ private Collection getPcClassLoaders() {
+ if (_pcClassLoaders == null)
+ _pcClassLoaders = new ConcurrentReferenceHashSet(
+ ConcurrentReferenceHashSet.WEAK);
+
+ return _pcClassLoaders;
+ }
}
Added:
openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestSerializedFactory.java
URL:
http://svn.apache.org/viewvc/openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestSerializedFactory.java?rev=616972&view=auto
==============================================================================
---
openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestSerializedFactory.java
(added)
+++
openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestSerializedFactory.java
Wed Jan 30 16:59:02 2008
@@ -0,0 +1,74 @@
+/*
+ * 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);
+ }
+
+ public void testSerializedEntityManagerFactory() throws
Exception {
+ // 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());
+ emf2.close();
+ assertFalse("The entity manager factory is not closed",
emf2.isOpen());
+ }
+
+ public static void main(String[] args) {
+ TestRunner.run(TestSerializedFactory.class);
+ }
+}
+
Propchange:
openjpa/trunk/openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/simple/TestSerializedFactory.java
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