1 /***
2 * Redistribution and use of this software and associated documentation
3 * ("Software"), with or without modification, are permitted provided
4 * that the following conditions are met:
5 *
6 * 1. Redistributions of source code must retain copyright
7 * statements and notices. Redistributions must also contain a
8 * copy of this document.
9 *
10 * 2. Redistributions in binary form must reproduce the
11 * above copyright notice, this list of conditions and the
12 * following disclaimer in the documentation and/or other
13 * materials provided with the distribution.
14 *
15 * 3. The name "Exolab" must not be used to endorse or promote
16 * products derived from this Software without prior written
17 * permission of Exoffice Technologies. For written permission,
18 * please contact info@exolab.org.
19 *
20 * 4. Products derived from this Software may not be called "Exolab"
21 * nor may "Exolab" appear in their names without prior written
22 * permission of Exoffice Technologies. Exolab is a registered
23 * trademark of Exoffice Technologies.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39 * OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Copyright 2003-2004 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: RMIInvokerImpl.java,v 1.2 2006/12/16 12:37:17 tanderson Exp $
44 */
45 package org.exolab.jms.net.rmi;
46
47 import java.rmi.MarshalException;
48 import java.rmi.MarshalledObject;
49 import java.rmi.server.RemoteObject;
50 import java.rmi.server.Unreferenced;
51
52
53 /***
54 * Implementation of the {@link RMIInvoker} interface
55 *
56 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
57 * @version $Revision: 1.2 $ $Date: 2006/12/16 12:37:17 $
58 */
59 public class RMIInvokerImpl extends RemoteObject implements RMIInvoker,
60 Unreferenced {
61
62 /***
63 * The physical connection
64 */
65 private RMIManagedConnection _connection;
66
67
68 /***
69 * Construct a new <code>RMIInvokerImpl</code>
70 */
71 public RMIInvokerImpl() {
72 }
73
74 /***
75 * Set the connection to delegate requests to
76 *
77 * @param connection the connection to delegate requests to
78 */
79 public void setConnection(RMIManagedConnection connection) {
80 _connection = connection;
81 }
82
83 /***
84 * Invoke a method on a remote object
85 *
86 * @param request the wrapped <code>Request</code>
87 * @return the result of the invocation
88 * @throws MarshalException if the request can't be unmarshalled or the
89 * response can't be marshalled
90 */
91 public MarshalledObject invoke(MarshalledObject request)
92 throws MarshalException {
93 return _connection.invokeLocal(request);
94 }
95
96 /***
97 * Ping the connection to determine if it is alive
98 */
99 public void ping() {
100
101
102 }
103
104 /***
105 * Notifies that the remote peer is disconnecting.
106 */
107 public void disconnect() {
108 _connection.disconnect();
109 }
110
111 /***
112 * Called by the RMI runtime sometime after the runtime determines that the
113 * reference list, the list of clients referencing the remote object,
114 * becomes empty.
115 */
116 public void unreferenced() {
117 _connection.disconnect();
118 }
119 }