1/*
2 * Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package javax.management.remote;
27
28import 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 */
40public 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}
66