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Java > Open Source Codes > org > jboss > ejb3 > entity > ExtendedPersistenceContextPropagationInterceptor


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
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.
11   *
12   * This software is distributed in the hope that it will be useful,
13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
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
20   * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21   */
22 package org.jboss.ejb3.entity;
23
24 import java.util.Map JavaDoc;
25 import javax.persistence.EntityManager;
26 import javax.transaction.TransactionManager JavaDoc;
27 import org.jboss.aop.advice.Interceptor;
28 import org.jboss.aop.joinpoint.Invocation;
29 import org.jboss.ejb3.PersistenceUnitRegistry;
30 import org.jboss.ejb3.stateful.StatefulBeanContext;
31 import org.jboss.ejb3.stateful.StatefulContainerInvocation;
32 import org.jboss.ejb3.tx.TxUtil;
33 import org.jboss.logging.Logger;
34
35 /**
36  * @author <a HREF="mailto:bill@jboss.org">Bill Burke</a>
37  * @version $Revision: 42263 $
38  */
39 public class ExtendedPersistenceContextPropagationInterceptor implements Interceptor
40 {
41    private static final Logger log = Logger.getLogger(ExtendedPersistenceContextPropagationInterceptor.class);
42
43    public String JavaDoc getName()
44    {
45       return this.getClass().getName();
46    }
47
48    public Object JavaDoc invoke(Invocation invocation) throws Throwable JavaDoc
49    {
50       log.debug("++++ LongLivedSessionPropagationInterceptor");
51       StatefulContainerInvocation ejb = (StatefulContainerInvocation) invocation;
52       StatefulBeanContext ctx = (StatefulBeanContext) ejb.getBeanContext();
53
54       Map JavaDoc<String JavaDoc, EntityManager> extendedPCs = ctx.getExtendedPersistenceContexts();
55       if (extendedPCs == null || extendedPCs.size() == 0)
56       {
57          return invocation.invokeNext();
58       }
59
60       TransactionManager JavaDoc tm = TxUtil.getTransactionManager();
61       if (tm.getTransaction() != null)
62       {
63          for (String JavaDoc kernelname : extendedPCs.keySet())
64          {
65             EntityManager manager = extendedPCs.get(kernelname);
66             ManagedEntityManagerFactory factory = PersistenceUnitRegistry.getPersistenceUnit(kernelname).getManagedFactory();
67             factory.registerExtendedWithTransaction(manager);
68          }
69       }
70
71       return invocation.invokeNext();
72    }
73 }
74
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