/* | |
* 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.conf; | |
import javax.persistence.EntityManager; | |
import org.apache.openjpa.lib.conf.Value; | |
import org.apache.openjpa.meta.ClassMetaData; | |
import org.apache.openjpa.persistence.OpenJPAEntityManagerFactory; | |
import org.apache.openjpa.persistence.OpenJPAEntityManagerFactorySPI; | |
import org.apache.openjpa.persistence.datacache.common.apps.PObject; | |
import org.apache.openjpa.persistence.test.SingleEMFTestCase; | |
/** | |
* Tests dynamic modification of configuration property. | |
* | |
* @author Pinaki Poddar | |
* | |
*/ | |
public class TestDynamicConfiguration extends SingleEMFTestCase { | |
public void setUp() throws Exception { | |
super.setUp(PObject.class); | |
} | |
public void testConfigurationIsEqualByValueAndHashCode() { | |
OpenJPAEntityManagerFactorySPI emf1 = createEMF(); | |
assertNotNull(emf1); | |
OpenJPAConfiguration conf1 = emf1.getConfiguration(); | |
OpenJPAEntityManagerFactorySPI emf2 = createEMF(); | |
assertNotNull(emf2); | |
OpenJPAConfiguration conf2 = emf2.getConfiguration(); | |
assertFalse(emf1==emf2); | |
assertFalse(emf1.equals(emf2)); | |
assertFalse(conf1==conf2); | |
assertEquals(conf1, conf2); | |
assertEquals(conf1.hashCode(), conf2.hashCode()); | |
assertEquals(conf1.toProperties(false), conf2.toProperties(false)); | |
} | |
public void testConfigurationIsReadOnlyAfterFirstConstruction() { | |
OpenJPAConfiguration conf = emf.getConfiguration(); | |
assertFalse(conf.isReadOnly()); | |
emf.createEntityManager(); | |
assertTrue(conf.isReadOnly()); | |
} | |
public void testNonDynamicValuesCanNotBeChanged() { | |
emf.createEntityManager(); | |
OpenJPAConfiguration conf = emf.getConfiguration(); | |
String oldValue = conf.getConnectionURL(); | |
String newValue = "jdbc://mydb:8087/DBDoesNotExist"; | |
try { | |
conf.setConnectionURL(newValue); | |
fail("Expected exception to modify configuration"); | |
} catch (Exception ex) { // good | |
assertEquals(oldValue, conf.getConnectionURL()); | |
} | |
} | |
public void testDynamicValuesCanBeChanged() { | |
OpenJPAConfiguration conf = emf.getConfiguration(); | |
int oldValue = conf.getLockTimeout(); | |
int newValue = oldValue + 10; | |
conf.setLockTimeout(newValue); | |
assertEquals(newValue, conf.getLockTimeout()); | |
} | |
public void testDynamicValuesAreCorrectlySet() { | |
OpenJPAConfiguration conf = emf.getConfiguration(); | |
Value lockTimeoutValue = conf.getValue("LockTimeout"); | |
assertNotNull(lockTimeoutValue); | |
assertTrue(lockTimeoutValue.isDynamic()); | |
Value connectionURLValue = conf.getValue("ConnectionURL"); | |
assertNotNull(connectionURLValue); | |
assertFalse(connectionURLValue.isDynamic()); | |
} | |
public void testDynamicChangeDoesNotChangeHashCode() { | |
OpenJPAConfiguration conf1 = emf.getConfiguration(); | |
int oldValue = conf1.getLockTimeout(); | |
int newValue = oldValue+10; | |
int oldHash = conf1.hashCode(); | |
conf1.setLockTimeout(newValue); | |
int newHash = conf1.hashCode(); | |
assertEquals(oldHash, newHash); | |
} | |
public void testClassMetaDataRecognizesDataCacheTimeoutValueChange() { | |
OpenJPAConfiguration conf = emf.getConfiguration(); | |
// ensure that PObject is in metadata repository | |
EntityManager em = emf.createEntityManager(); | |
em.getTransaction().begin(); | |
PObject pc = new PObject(); | |
em.persist(pc); | |
int oldValue = conf.getDataCacheTimeout(); | |
ClassMetaData meta = conf.getMetaDataRepositoryInstance() | |
.getCachedMetaData(PObject.class); | |
assertNotNull(meta); | |
assertEquals(oldValue, meta.getDataCacheTimeout()); | |
int newValue = oldValue + 10; | |
conf.setDataCacheTimeout(newValue); | |
assertEquals(newValue, conf.getDataCacheTimeout()); | |
assertEquals(newValue, meta.getDataCacheTimeout()); | |
} | |
} |