/* | |
* 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.kernel; | |
import java.util.List; | |
import javax.persistence.EntityManager; | |
import org.apache.openjpa.persistence.kernel.common.apps.RuntimeTest1; | |
import org.apache.openjpa.persistence.common.utils.AbstractTestCase; | |
public class TestEJBRetainValues extends AbstractTestCase { | |
public TestEJBRetainValues(String testName) { | |
super(testName, "kernelcactusapp"); | |
} | |
public void setUp() { | |
deleteAll(RuntimeTest1.class); | |
} | |
/** | |
* tests the behavior of the same object being viewed from | |
* different PersistenceManagers with RetainValues set to true | |
*/ | |
public void testRetainValues() { | |
// persist the object with field == "x" | |
RuntimeTest1 test = new RuntimeTest1(); | |
test.setStringField("x"); | |
EntityManager pm = currentEntityManager(); | |
startTx(pm); | |
pm.persist(test); | |
endTx(pm); | |
// find the object in a different PM | |
EntityManager pm2 = currentEntityManager(); | |
List l = (buildSelectQuery(pm2, "x")); | |
assertNotNull("l is null in testRetainValues", l); | |
RuntimeTest1 sameThing = (RuntimeTest1) l.iterator().next(); | |
assertEquals("x", sameThing.getStringField()); | |
assertEquals("x", test.getStringField()); | |
// set the second object field to "y" | |
startTx(pm2); | |
sameThing.setStringField("y"); | |
endTx(pm2); | |
assertEquals("y", sameThing.getStringField()); | |
assertEquals("x", test.getStringField()); | |
// do some searching in the first PM | |
List l2 = buildSelectQuery(pm, "x"); | |
assertEquals(0, | |
l2.size()); //should be zero if retainvalue is set to true but that is kodo specific. | |
List l3 = buildSelectQuery(pm, "y"); | |
assertEquals(1, l3.size()); | |
assertEquals(test, l3.iterator().next()); | |
assertEquals("x", test.getStringField()); | |
endEm(pm2); | |
endEm(pm); | |
} | |
public static List buildSelectQuery(EntityManager em, String param) { | |
return em.createQuery( | |
"SELECT c FROM RuntimeTest1 c where c.stringField = :username") | |
.setParameter("username", param) | |
.getResultList(); | |
} | |
} |