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1   /*
2    * $Id: VMTransaction.java 19191 2010-08-25 21:05:23Z tcarlson $
3    * --------------------------------------------------------------------------------------
4    * Copyright (c) MuleSoft, Inc.  All rights reserved.  http://www.mulesoft.com
5    *
6    * The software in this package is published under the terms of the CPAL v1.0
7    * license, a copy of which has been included with this distribution in the
8    * LICENSE.txt file.
9    */
10  
11  package org.mule.transport.vm;
12  
13  import org.mule.api.MuleContext;
14  import org.mule.api.transaction.TransactionException;
15  import org.mule.config.i18n.CoreMessages;
16  import org.mule.transaction.AbstractSingleResourceTransaction;
17  import org.mule.transaction.IllegalTransactionStateException;
18  import org.mule.util.queue.QueueManager;
19  import org.mule.util.queue.QueueSession;
20  import org.mule.util.xa.ResourceManagerException;
21  
22  public class VMTransaction extends AbstractSingleResourceTransaction
23  {
24  
25      public VMTransaction(MuleContext muleContext) throws TransactionException
26      {
27          super(muleContext);
28          QueueManager qm = muleContext.getQueueManager();
29          QueueSession qs = qm.getQueueSession();
30          bindResource(qm, qs);
31      }
32  
33      public void bindResource(Object key, Object resource) throws TransactionException
34      {
35          if (!(key instanceof QueueManager) || !(resource instanceof QueueSession))
36          {
37              throw new IllegalTransactionStateException(
38                  CoreMessages.transactionCanOnlyBindToResources("QueueManager/QueueSession"));
39          }
40          super.bindResource(key, resource);
41      }
42  
43      protected void doBegin() throws TransactionException
44      {
45          try
46          {
47              ((QueueSession)resource).begin();
48          }
49          catch (ResourceManagerException e)
50          {
51              throw new TransactionException(CoreMessages.cannotStartTransaction("VMTransaction"), e);
52          }
53      }
54  
55      protected void doCommit() throws TransactionException
56      {
57          try
58          {
59              ((QueueSession)resource).commit();
60          }
61          catch (ResourceManagerException e)
62          {
63              throw new TransactionException(CoreMessages.transactionCommitFailed(), e);
64          }
65      }
66  
67      protected void doRollback() throws TransactionException
68      {
69          try
70          {
71              ((QueueSession)resource).rollback();
72          }
73          catch (ResourceManagerException e)
74          {
75              throw new TransactionException(CoreMessages.transactionRollbackFailed(), e);
76          }
77      }
78  
79  }