| /* |
| * 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.jdo.tck.lifecycle; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import javax.jdo.Extent; |
| import javax.jdo.Transaction; |
| |
| import org.apache.jdo.tck.JDO_Test; |
| import org.apache.jdo.tck.pc.lifecycle.StateTransitionObj; |
| import org.apache.jdo.tck.util.BatchTestRunner; |
| |
| /** |
| *<B>Title:</B> Test that ObjectId is not modified even if ObjectId returned by GetObjectId() is modified |
| *<BR> |
| *<B>Keywords:</B> lifecycle GetObjectId |
| *<BR> |
| *<B>Assertion IDs:</B> A5.4-6 |
| *<BR> |
| *<B>Assertion Description: </B> |
| The object returned by any call to getObjectId might be modified by the user, |
| but that modification does not affect the identity of the object that was originally referred. |
| */ |
| |
| public class ObjectIdNotModifiedWhenObjectIdInstanceModified extends JDO_Test { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = |
| "Assertion A5.4-6 (ObjectIdNotModifiedWhenObjectIdInstanceModified) failed: "; |
| |
| private static final int NUM_OBJECTS = 50; |
| |
| /** The persistent instances of this test. */ |
| private Object[] obj; |
| |
| /** |
| * The <code>main</code> is called when the class |
| * is directly executed from the command line. |
| * @param args The arguments passed to the program. |
| */ |
| public static void main(String[] args) { |
| BatchTestRunner.run(ObjectIdNotModifiedWhenObjectIdInstanceModified.class); |
| } |
| |
| /** |
| * @see JDO_Test#localSetUp() |
| */ |
| protected void localSetUp() { |
| pm = getPM(); |
| addTearDownClass(StateTransitionObj.class); |
| obj = generatePersistentInstances(); |
| } |
| |
| public void test() throws Exception { |
| pm.currentTransaction().begin(); |
| try { |
| Extent extent = pm.getExtent(StateTransitionObj.class, false); |
| Iterator iter = extent.iterator(); |
| if( !iter.hasNext() ){ |
| fail(ASSERTION_FAILED, |
| "Extent for StateTransitionObj should not be empty"); |
| } |
| extent.close(iter); |
| int failures = 0; |
| StringBuffer report = new StringBuffer("Failures comparing oids.\n"); |
| for (int i=0; i<NUM_OBJECTS; i++) { |
| Object objId1=pm.getObjectId(obj[i]); |
| String before=objId1.toString(); |
| int objId1HashCode = objId1.hashCode(); |
| Object objId2=pm.getObjectId(obj[i]); |
| if (!mangleObject(objId2)) { |
| /* The object id class is immutable, so the test succeeds. */ |
| break; |
| } |
| int objId2HashCode = objId2.hashCode(); |
| Object objId3 = pm.getObjectId(obj[i]); // get another ObjectId copy |
| if (!(objId1.equals(objId3) && objId1HashCode != objId2HashCode)) { |
| /* The object id obtained after mangling the second object id |
| * must equal the original object id, and the mangling must |
| * have changed the mangled id. |
| */ |
| report.append("Index= "); |
| report.append(i); |
| report.append("\n"); |
| report.append(" before= "); |
| report.append(before); |
| report.append("\n"); |
| report.append("mangled= "); |
| report.append(objId2.toString()); |
| report.append("\n"); |
| report.append(" after= "); |
| report.append(objId3.toString()); |
| report.append("\n"); |
| ++failures; |
| } |
| } |
| if (failures != 0) { |
| if (debug) { |
| logger.debug(report.toString()); |
| } |
| fail(ASSERTION_FAILED, "Failed to compare " + failures + " object ids."); |
| } |
| pm.currentTransaction().commit(); |
| } finally { |
| if (pm!=null && pm.currentTransaction().isActive()) { |
| pm.currentTransaction().rollback(); |
| } |
| } |
| } |
| |
| private Object[] generatePersistentInstances() |
| { |
| StateTransitionObj[] objects = new StateTransitionObj[NUM_OBJECTS]; |
| try { |
| Transaction t = pm.currentTransaction(); |
| t.begin(); |
| for(int i = 0; i < NUM_OBJECTS; ++i ){ |
| objects[i]=new StateTransitionObj(i); |
| objects[i].writeField(i); |
| pm.makePersistent(objects[i]); |
| } |
| t.commit(); |
| return objects; |
| } |
| finally { |
| Transaction tx = pm.currentTransaction(); |
| if (tx.isActive()) { |
| tx.rollback(); |
| } |
| } |
| } |
| } |