001 /** 002 * 003 * Copyright 2004 Protique Ltd 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 java.util.Map; 021 022 import javax.transaction.xa.XAException; 023 024 import org.apache.commons.logging.Log; 025 import org.apache.commons.logging.LogFactory; 026 import org.activemq.store.TransactionStore; 027 028 /** 029 * @version $Revision: 1.1.1.1 $ 030 */ 031 public class LocalTransactionCommand extends AbstractTransaction { 032 private static final Log log = LogFactory.getLog(LocalTransactionCommand.class); 033 034 private Map localTxs; 035 private String txid; 036 037 private final TransactionStore transactionStore; 038 039 040 public LocalTransactionCommand(Map localTxs, String txid, TransactionStore transactionStore) { 041 this.localTxs = localTxs; 042 this.txid = txid; 043 this.transactionStore = transactionStore; 044 } 045 046 public void commit(boolean onePhase) throws XAException { 047 // Get ready for commit. 048 try { 049 prePrepare(); 050 } 051 catch (XAException e) { 052 throw e; 053 } 054 catch (Throwable e) { 055 log.warn("COMMIT FAILED: ", e); 056 rollback(); 057 // Let them know we rolled back. 058 XAException xae = new XAException("COMMIT FAILED: Transaction rolled back."); 059 xae.errorCode = XAException.XA_RBOTHER; 060 xae.initCause(e); 061 throw xae; 062 } 063 064 setState(AbstractTransaction.FINISHED_STATE); 065 localTxs.remove(txid); 066 transactionStore.commit(getTransactionId(), false); 067 068 try { 069 postCommit(); 070 } 071 catch (Throwable e) { 072 // I guess this could happen. Post commit task failed 073 // to execute properly. 074 log.warn("POST COMMIT FAILED: ", e); 075 XAException xae = new XAException("POST COMMIT FAILED"); 076 xae.errorCode = XAException.XAER_RMERR; 077 xae.initCause(e); 078 throw xae; 079 } 080 } 081 082 public void rollback() throws XAException { 083 084 setState(AbstractTransaction.FINISHED_STATE); 085 localTxs.remove(txid); 086 transactionStore.rollback(getTransactionId()); 087 088 try { 089 postRollback(); 090 } 091 catch (Throwable e) { 092 log.warn("POST ROLLBACK FAILED: ", e); 093 XAException xae = new XAException("POST ROLLBACK FAILED"); 094 xae.errorCode = XAException.XAER_RMERR; 095 xae.initCause(e); 096 throw xae; 097 } 098 } 099 100 public int prepare() throws XAException { 101 XAException xae = new XAException("Prepare not implemented on Local Transactions."); 102 xae.errorCode = XAException.XAER_RMERR; 103 throw xae; 104 } 105 106 public boolean isXaTransacted() { 107 return false; 108 } 109 110 public Object getTransactionId() { 111 return txid; 112 } 113 114 }