001 /** 002 * 003 * Copyright 2004 Hiram Chirino 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 * 017 **/ 018 package org.activemq.service.impl; 019 020 import javax.jms.JMSException; 021 import javax.transaction.xa.XAException; 022 023 import org.activemq.service.Transaction; 024 import org.activemq.service.TransactionTask; 025 import org.activemq.util.JMSExceptionHelper; 026 027 /** 028 * Keeps track of all the actions the need to be done when 029 * a transaction does a commit or rollback. 030 * 031 * @version $Revision: 1.1.1.1 $ 032 */ 033 public class AutoCommitTransaction implements Transaction { 034 035 static final public AutoCommitTransaction AUTO_COMMIT_TRANSACTION = new AutoCommitTransaction(); 036 037 private AutoCommitTransaction() {} 038 039 public void addPostCommitTask(TransactionTask task) throws JMSException { 040 try { 041 task.execute(); 042 } catch (Throwable e) { 043 if( e instanceof JMSException ) { 044 throw (JMSException)e; 045 } 046 JMSExceptionHelper.newJMSException("Commit task failed: "+e,e); 047 } 048 } 049 050 public void addPostRollbackTask(TransactionTask task) throws JMSException { 051 // Canot rollback an auto commit transaction. 052 } 053 054 public void commit(boolean onePhase) throws XAException { 055 XAException xae = new XAException("Commit not implemented on Auto Commit Transactions."); 056 xae.errorCode = XAException.XAER_RMERR; 057 throw xae; 058 } 059 060 public void rollback() throws XAException { 061 XAException xae = new XAException("Rollback not implemented on Auto Commit Transactions."); 062 xae.errorCode = XAException.XAER_RMERR; 063 throw xae; 064 } 065 066 public int prepare() throws XAException { 067 XAException xae = new XAException("Prepare not implemented on Auto Commit Transactions."); 068 xae.errorCode = XAException.XAER_RMERR; 069 throw xae; 070 } 071 072 public boolean isXaTransacted() { 073 return false; 074 } 075 076 public Object getTransactionId() { 077 return null; 078 } 079 }