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.ejb.plugins.local;
23
24 import java.lang.reflect.InvocationHandler;
25 import java.lang.reflect.Method;
26
27 /** The EJBLocal proxy for an entity
28
29 @author <a href="mailto:scott.stark@jboss.org">Scott Stark</a>
30 @version $Revision: 37459 $
31 */
32 class EntityProxy extends LocalProxy
33 implements InvocationHandler
34 {
35 static final long serialVersionUID = 5196148608172665115L;
36 private Object cacheKey;
37 private boolean removed;
38
39 EntityProxy(String jndiName, Object id, BaseLocalProxyFactory factory)
40 {
41 super(jndiName, factory);
42 cacheKey = id;
43 }
44
45 protected Object getId()
46 {
47 return cacheKey;
48 }
49
50 public final Object invoke(final Object proxy, final Method m, Object[] args)
51 throws Throwable
52 {
53 if(removed)
54 {
55 throw new javax.ejb.NoSuchObjectLocalException("The instance has been removed: " + toStringImpl());
56 }
57
58 if (args == null)
59 args = EMPTY_ARGS;
60
61 Object retValue = super.invoke( proxy, m, args );
62 if( retValue == null )
63 {
64 // If not taken care of, go on and call the container
65 retValue = factory.invoke(cacheKey, m, args);
66 }
67
68 if(m.equals(REMOVE))
69 {
70 removed = true;
71 }
72
73 return retValue;
74 }
75
76 }
Save This Page