ClientTxPropagationInterceptor


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7     * This is free software; you can redistribute it and/or modify it
8     * under the terms of the GNU Lesser General Public License as
9     * published by the Free Software Foundation; either version 2.1 of
10    * the License, or (at your option) any later version.
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14    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15    * Lesser General Public License for more details.
16    *
17    * You should have received a copy of the GNU Lesser General Public
18    * License along with this software; if not, write to the Free
19    * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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21    */
22  package org.jboss.aspects.tx;
23  
24  import org.jboss.aop.advice.Interceptor;
25  import org.jboss.aop.joinpoint.Invocation;
26  import org.jboss.tm.TransactionPropagationContextFactory;
27  import org.jboss.tm.TransactionPropagationContextUtil;
28  
29  import java.io.ObjectStreamException  ;
30  
31  /**
32   * Comment
33   *
34   * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
35   * @version $Revision: 37406 $
36   */
37  public class ClientTxPropagationInterceptor implements Interceptor, java.io.Serializable  
38  {
39     private static final long serialVersionUID = 4536126296306191076L;
40  
41     public static String   TRANSACTION_PROPAGATION_CONTEXT = "TransactionPropagationContext";
42  
43     public static final ClientTxPropagationInterceptor singleton = new ClientTxPropagationInterceptor();
44  
45     public String   getName()
46     {
47        return "ClientTxPropagationInterceptor";
48     }
49  
50     public Object   invoke(Invocation invocation) throws Throwable  
51     {
52        TransactionPropagationContextFactory tpcFactory = TransactionPropagationContextUtil.getTPCFactoryClientSide();
53        if (tpcFactory != null)
54        {
55           Object   tpc = tpcFactory.getTransactionPropagationContext();
56           if (tpc != null)
57           {
58              invocation.getMetaData().addMetaData(TRANSACTION_PROPAGATION_CONTEXT, TRANSACTION_PROPAGATION_CONTEXT, tpc);
59           }
60        }
61        return invocation.invokeNext();
62     }
63  
64     Object   readResolve() throws ObjectStreamException   {
65        return singleton;
66     }
67  }
68
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