| /* |
| * Copyright 2005 The Apache Software Foundation. |
| * |
| * Licensed 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 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 Transient Transactional Rollback |
| *<BR> |
| *<B>Keywords:</B> lifecycle transienttransactional rollback |
| *<BR> |
| *<B>Assertion IDs:</B> A5.1-4 |
| *<B>Assertion Description: </B> |
| If <code>TransientTransactional</code> is supported, a transient transactional instance |
| will have its state restored to its state prior to becoming transactional when |
| its associated transaction aborts or on rollback. |
| */ |
| |
| public class TransientTransactionalStateRollback extends JDO_Test { |
| |
| /** */ |
| private static final String ASSERTION_FAILED = |
| "Assertion A5.1-4 (TransientTransactionalStateRollback) failed: "; |
| |
| private static final int CLEAN_VALUE = 12; |
| private static final int DIRTY_VALUE = 123; |
| |
| /** |
| * 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(TransientTransactionalStateRollback.class); |
| } |
| |
| /** */ |
| public void test() { |
| if (!isTransientTransactionalSupported()) { |
| logger.debug("Transient transactional instances are not supported"); |
| } |
| else { |
| pm = getPM(); |
| |
| // Get transient instance and read field value |
| StateTransitionObj obj = getTransientInstance(); |
| |
| int beforeValue=obj.readField(); |
| |
| // Start transaction |
| Transaction tx = pm.currentTransaction(); |
| tx.begin(); |
| |
| // Get transient dirty instance |
| makeTransientDirty(obj); |
| |
| // Rollback |
| tx.rollback(); |
| int curr = currentState(obj); |
| if( curr != TRANSIENT_CLEAN ){ |
| fail(ASSERTION_FAILED, |
| "StateTransition: Unable to create transient-clean instance " + |
| "from a transient-dirty instance via tx.rollback(), state is " + states[curr]); |
| } |
| |
| // Check that field value has been rolled back |
| int afterValue=obj.readField(); |
| if (beforeValue!=afterValue) |
| { |
| fail(ASSERTION_FAILED, |
| "Field value incorrect after rollback. Expected: "+beforeValue+" Found: "+afterValue); |
| } |
| } |
| } |
| |
| protected StateTransitionObj getTransientInstance() { |
| StateTransitionObj obj = new StateTransitionObj(CLEAN_VALUE); |
| int curr = currentState(obj); |
| if( curr != TRANSIENT ){ |
| fail(ASSERTION_FAILED, |
| "Unable to create transient instance, state is " + states[curr]); |
| } |
| return obj; |
| } |
| |
| protected void makeTransientClean(StateTransitionObj obj) { |
| if( obj == null ) return; |
| pm.makeTransactional(obj); |
| int curr = currentState(obj); |
| if( curr != TRANSIENT_CLEAN ){ |
| fail(ASSERTION_FAILED, |
| "Unable to create transient-clean instance " + |
| "from a transient instance via makeTransactional(), state is " + states[curr]); |
| } |
| } |
| |
| protected void makeTransientDirty(StateTransitionObj obj) { |
| if( obj == null ) return; |
| makeTransientClean(obj); |
| obj.writeField(DIRTY_VALUE); |
| int curr = currentState(obj); |
| if( curr != TRANSIENT_DIRTY ){ |
| fail(ASSERTION_FAILED, |
| "Unable to create transient-dirty instance " + |
| "from a transient-clean instance via modifying a field, state is " + states[curr]); |
| } |
| } |
| } |