01 /*
02 * Copyright 2003-2007 Sun Microsystems, Inc. All Rights Reserved.
03 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
04 *
05 * This code is free software; you can redistribute it and/or modify it
06 * under the terms of the GNU General Public License version 2 only, as
07 * published by the Free Software Foundation. Sun designates this
08 * particular file as subject to the "Classpath" exception as provided
09 * by Sun in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
22 * CA 95054 USA or visit www.sun.com if you need additional information or
23 * have any questions.
24 */
25
26 package javax.management.remote;
27
28 import javax.management.MBeanServer;
29
30 /**
31 * <p>An object of this class implements the MBeanServer interface and
32 * wraps another object that also implements that interface.
33 * Typically, an implementation of this interface performs some action
34 * in some or all methods of the <code>MBeanServer</code> interface
35 * before and/or after forwarding the method to the wrapped object.
36 * Examples include security checking and logging.</p>
37 *
38 * @since 1.5
39 */
40 public interface MBeanServerForwarder extends MBeanServer {
41
42 /**
43 * Returns the MBeanServer object to which requests will be forwarded.
44 *
45 * @return the MBeanServer object to which requests will be forwarded,
46 * or null if there is none.
47 *
48 * @see #setMBeanServer
49 */
50 public MBeanServer getMBeanServer();
51
52 /**
53 * Sets the MBeanServer object to which requests will be forwarded
54 * after treatment by this object.
55 *
56 * @param mbs the MBeanServer object to which requests will be forwarded.
57 *
58 * @exception IllegalArgumentException if this object is already
59 * forwarding to an MBeanServer object or if <code>mbs</code> is
60 * null or if <code>mbs</code> is identical to this object.
61 *
62 * @see #getMBeanServer
63 */
64 public void setMBeanServer(MBeanServer mbs);
65 }
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