| /* |
| * 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.common.utils.AbstractTestCase; |
| import org.apache.openjpa.persistence.kernel.common.apps.RuntimeTest1; |
| |
| public class TestEJBRetainValues extends AbstractTestCase { |
| |
| public TestEJBRetainValues(String testName) { |
| super(testName, "kernelcactusapp"); |
| } |
| |
| @Override |
| 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"); |
| //should be zero if retainvalue is set to true but that is kodo |
| //specific. |
| assertEquals(0, l2.size()); |
| |
| 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(); |
| } |
| } |