01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * 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 javax.ejb.EJBObject;
25: import javax.ejb.EJBLocalObject;
26: import javax.ejb.EJBException;
27: import java.lang.reflect.InvocationHandler;
28: import java.lang.reflect.Method;
29: import java.rmi.RemoteException;
30:
31: /** The EJBLocal proxy for a stateful session
32:
33: @author <a href="mailto:scott.stark@jboss.org">Scott Stark</a>
34: @version $Revision: 57209 $
35: */
36: class StatefulSessionProxy extends LocalProxy implements
37: InvocationHandler {
38: static final long serialVersionUID = -3113762511947535929L;
39: private Object id;
40:
41: StatefulSessionProxy(String jndiName, Object id,
42: BaseLocalProxyFactory factory) {
43: super (jndiName, factory);
44: this .id = id;
45: }
46:
47: protected Object getId() {
48: return id;
49: }
50:
51: public final Object invoke(final Object proxy, final Method m,
52: Object[] args) throws Throwable {
53: if (args == null)
54: args = EMPTY_ARGS;
55:
56: // The object identifier of a session object is, in general, opaque to the client.
57: // The result of getPrimaryKey() on a session EJBObject reference results in java.rmi.RemoteException.
58: // The result of getPrimaryKey() on a session EJBLocalObject reference results in javax.ejb.EJBException.
59: if (m.equals(GET_PRIMARY_KEY)) {
60: if (proxy instanceof EJBObject) {
61: throw new RemoteException(
62: "Call to getPrimaryKey not allowed on session bean");
63: }
64: if (proxy instanceof EJBLocalObject) {
65: throw new EJBException(
66: "Call to getPrimaryKey not allowed on session bean");
67: }
68: }
69:
70: Object retValue = super .invoke(proxy, m, args);
71: if (retValue == null) {
72: // If not taken care of, go on and call the container
73: retValue = factory.invoke(id, m, args);
74: }
75:
76: return retValue;
77: }
78: }
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