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1   /***
2    * 
3    * Copyright 2004 Protique Ltd
4    * 
5    * Licensed under the Apache License, Version 2.0 (the "License"); 
6    * you may not use this file except in compliance with the License. 
7    * You may obtain a copy of the License at 
8    * 
9    * http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License. 
16   * 
17   **/
18  package org.codehaus.activemq.service.impl;
19  
20  import org.apache.commons.logging.Log;
21  import org.apache.commons.logging.LogFactory;
22  import org.codehaus.activemq.broker.Broker;
23  
24  import javax.transaction.xa.XAException;
25  import java.util.Map;
26  
27  /***
28   * @version $Revision: 1.1 $
29   */
30  public class LocalTransactionCommand extends AbstractTransaction {
31      private static final long serialVersionUID = -5754338187296859149L;
32      private static final Log log = LogFactory.getLog(LocalTransactionCommand.class);
33  
34      private Map localTxs;
35      private Object txid;
36  
37  
38      public LocalTransactionCommand(Broker broker, Map localTxs, Object txid) {
39          super(broker);
40          this.localTxs = localTxs;
41          this.txid = txid;
42      }
43  
44      public void commit(boolean onePhase) throws XAException {
45          // Get ready for commit.
46          try {
47              prePrepare();
48          }
49          catch (XAException e) {
50              throw e;
51          }
52          catch (Throwable e) {
53              log.warn("COMMIT FAILED: ", e);
54              rollback();
55              // Let them know we rolled back.
56              XAException xae = new XAException("COMMIT FAILED: Transaction rolled back.");
57              xae.errorCode = XAException.XA_RBOTHER;
58              xae.initCause(e);
59              throw xae;
60          }
61  
62          setState(AbstractTransaction.FINISHED_STATE);
63          localTxs.remove(txid);
64  
65          try {
66              postCommit();
67          }
68          catch (Throwable e) {
69              // I guess this could happen.  Post commit task failed
70              // to execute properly.
71              log.warn("POST COMMIT FAILED: ", e);
72              XAException xae = new XAException("POST COMMIT FAILED");
73              xae.errorCode = XAException.XAER_RMERR;
74              xae.initCause(e);
75              throw xae;
76          }
77      }
78  
79      public void rollback() throws XAException {
80  
81          setState(AbstractTransaction.FINISHED_STATE);
82          localTxs.remove(txid);
83  
84          try {
85              postRollback();
86          }
87          catch (Throwable e) {
88              log.warn("POST ROLLBACK FAILED: ", e);
89              XAException xae = new XAException("POST ROLLBACK FAILED");
90              xae.errorCode = XAException.XAER_RMERR;
91              xae.initCause(e);
92              throw xae;
93          }
94      }
95  
96      public int prepare() throws XAException {
97          XAException xae = new XAException("Prepare not implemented on Local Transactions.");
98          xae.errorCode = XAException.XAER_RMERR;
99          throw xae;
100     }
101 
102 }