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 2003-2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: Proxy.java,v 1.2 2005/11/16 12:32:50 tanderson Exp $
44 */
45 package org.exolab.jms.net.proxy;
46
47 import java.io.Serializable;
48 import java.lang.reflect.Method;
49
50
51 /***
52 * The <code>Proxy</code> class is the common superclass for client proxies to
53 * remote objects.
54 *
55 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
56 * @version $Revision: 1.2 $ $Date: 2005/11/16 12:32:50 $
57 * @see Delegate
58 */
59 public abstract class Proxy implements Serializable {
60
61 /***
62 * Serialization version.
63 */
64 static final long serialVersionUID = 1;
65
66 /***
67 * The delegate.
68 */
69 private Delegate _delegate;
70
71
72 /***
73 * Dispose this proxy, releasing any allocated resources.
74 * <p/>
75 * It is an error to invoke any method other than this, after the proxy
76 * has been disposed.
77 */
78 public void disposeProxy() {
79 _delegate.dispose();
80 }
81
82 /***
83 * Construct a new <code>Proxy</code>
84 *
85 * @param delegate the delegate used to perform invocations
86 */
87 protected Proxy(Delegate delegate) {
88 _delegate = delegate;
89 }
90
91 /***
92 * Invoke a remote method via the delegate
93 *
94 * @param method the method to invoke
95 * @param args the arguments to supply to the method
96 * @param methodID a unique identifier for the method
97 * @return the object returned by the remote method
98 * @throws Throwable for any error
99 */
100 protected Object invoke(Method method, Object[] args, long methodID)
101 throws Throwable {
102 return _delegate.invoke(method, args, methodID);
103 }
104
105 }