001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. 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 package org.apache.activemq.ra; 018 019 import javax.jms.JMSException; 020 import javax.transaction.xa.XAException; 021 import javax.transaction.xa.XAResource; 022 import javax.transaction.xa.Xid; 023 024 import org.apache.activemq.TransactionContext; 025 import org.apache.activemq.command.TransactionId; 026 import org.apache.activemq.transaction.Synchronization; 027 028 /** 029 * Allows us to switch between using a shared transaction context, or using a 030 * local transaction context. 031 * 032 * @version $Revision$ 033 */ 034 public class ManagedTransactionContext extends TransactionContext { 035 036 private final TransactionContext sharedContext; 037 private boolean useSharedTxContext; 038 039 public ManagedTransactionContext(TransactionContext sharedContext) { 040 super(sharedContext.getConnection()); 041 this.sharedContext = sharedContext; 042 setLocalTransactionEventListener(sharedContext.getLocalTransactionEventListener()); 043 } 044 045 public void setUseSharedTxContext(boolean enable) throws JMSException { 046 if (isInLocalTransaction() || isInXATransaction()) { 047 throw new JMSException("The resource is allready being used in transaction context."); 048 } 049 useSharedTxContext = enable; 050 } 051 052 public void begin() throws JMSException { 053 if (useSharedTxContext) { 054 sharedContext.begin(); 055 } else { 056 super.begin(); 057 } 058 } 059 060 public void commit() throws JMSException { 061 if (useSharedTxContext) { 062 sharedContext.commit(); 063 } else { 064 super.commit(); 065 } 066 } 067 068 public void commit(Xid xid, boolean onePhase) throws XAException { 069 if (useSharedTxContext) { 070 sharedContext.commit(xid, onePhase); 071 } else { 072 super.commit(xid, onePhase); 073 } 074 } 075 076 public void end(Xid xid, int flags) throws XAException { 077 if (useSharedTxContext) { 078 sharedContext.end(xid, flags); 079 } else { 080 super.end(xid, flags); 081 } 082 } 083 084 public void forget(Xid xid) throws XAException { 085 if (useSharedTxContext) { 086 sharedContext.forget(xid); 087 } else { 088 super.forget(xid); 089 } 090 } 091 092 public TransactionId getTransactionId() { 093 if (useSharedTxContext) { 094 return sharedContext.getTransactionId(); 095 } else { 096 return super.getTransactionId(); 097 } 098 } 099 100 public int getTransactionTimeout() throws XAException { 101 if (useSharedTxContext) { 102 return sharedContext.getTransactionTimeout(); 103 } else { 104 return super.getTransactionTimeout(); 105 } 106 } 107 108 public boolean isInLocalTransaction() { 109 if (useSharedTxContext) { 110 return sharedContext.isInLocalTransaction(); 111 } else { 112 return super.isInLocalTransaction(); 113 } 114 } 115 116 public boolean isInXATransaction() { 117 if (useSharedTxContext) { 118 return sharedContext.isInXATransaction(); 119 } else { 120 return super.isInXATransaction(); 121 } 122 } 123 124 @Override 125 public boolean isInTransaction() { 126 return isInXATransaction() || isInLocalTransaction(); 127 } 128 129 public boolean isSameRM(XAResource xaResource) throws XAException { 130 if (useSharedTxContext) { 131 return sharedContext.isSameRM(xaResource); 132 } else { 133 return super.isSameRM(xaResource); 134 } 135 } 136 137 public int prepare(Xid xid) throws XAException { 138 if (useSharedTxContext) { 139 return sharedContext.prepare(xid); 140 } else { 141 return super.prepare(xid); 142 } 143 } 144 145 public Xid[] recover(int flag) throws XAException { 146 if (useSharedTxContext) { 147 return sharedContext.recover(flag); 148 } else { 149 return super.recover(flag); 150 } 151 } 152 153 public void rollback() throws JMSException { 154 if (useSharedTxContext) { 155 sharedContext.rollback(); 156 } else { 157 super.rollback(); 158 } 159 } 160 161 public void rollback(Xid xid) throws XAException { 162 if (useSharedTxContext) { 163 sharedContext.rollback(xid); 164 } else { 165 super.rollback(xid); 166 } 167 } 168 169 public boolean setTransactionTimeout(int seconds) throws XAException { 170 if (useSharedTxContext) { 171 return sharedContext.setTransactionTimeout(seconds); 172 } else { 173 return super.setTransactionTimeout(seconds); 174 } 175 } 176 177 public void start(Xid xid, int flags) throws XAException { 178 if (useSharedTxContext) { 179 sharedContext.start(xid, flags); 180 } else { 181 super.start(xid, flags); 182 } 183 } 184 185 public void addSynchronization(Synchronization s) { 186 if (useSharedTxContext) { 187 sharedContext.addSynchronization(s); 188 } else { 189 super.addSynchronization(s); 190 } 191 } 192 }