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Java > Open Source Codes > org > jboss > ejb3 > test > mdbtransactions > StatelessFacadeBean


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.test.mdbtransactions;
23
24 import javax.ejb.Remote JavaDoc;
25 import javax.ejb.Stateless JavaDoc;
26 import javax.ejb.TransactionAttribute JavaDoc;
27 import javax.ejb.TransactionAttributeType JavaDoc;
28 import javax.persistence.EntityManager;
29 import javax.persistence.PersistenceContext;
30
31 import org.jboss.annotation.ejb.RemoteBinding;
32 import org.jboss.logging.Logger;
33
34 /**
35  * @author <a HREF="mailto:bdecoste@jboss.com">William DeCoste</a>
36  */
37 @Stateless JavaDoc(name="Stateless")
38 @Remote JavaDoc(StatelessFacade.class)
39 @RemoteBinding(jndiBinding = "StatelessFacade")
40 public class StatelessFacadeBean implements StatelessFacade
41 {
42    private static final Logger log = Logger.getLogger(StatelessFacadeBean.class);
43    
44    private @PersistenceContext EntityManager manager;
45    
46    @TransactionAttribute JavaDoc(TransactionAttributeType.REQUIRES_NEW)
47    public void clear(Entity entity)
48    {
49       try
50       {
51          entity = manager.find(Entity.class, entity.getId());
52          if (entity != null)
53             manager.remove(entity);
54       }
55       catch (Throwable JavaDoc t)
56       {
57          t.printStackTrace();
58       }
59    }
60    
61    @TransactionAttribute JavaDoc(TransactionAttributeType.REQUIRES_NEW)
62    public void persist(Entity entity)
63    {
64       try
65       {
66          manager.persist(entity);
67       }
68       catch (Throwable JavaDoc t)
69       {
70          t.printStackTrace();
71       }
72    }
73 }
74
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