01 /*
02 * Copyright 1999-2006 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;
27
28 /**
29 * Should be implemented by an object that wants to receive notifications.
30 *
31 * @since 1.5
32 */
33 public interface NotificationListener extends java.util.EventListener {
34
35 /**
36 * Invoked when a JMX notification occurs.
37 * The implementation of this method should return as soon as possible, to avoid
38 * blocking its notification broadcaster.
39 *
40 * @param notification The notification.
41 * @param handback An opaque object which helps the listener to associate information
42 * regarding the MBean emitter. This object is passed to the MBean during the
43 * addListener call and resent, without modification, to the listener. The MBean object
44 * should not use or modify the object.
45 *
46 */
47 public void handleNotification(Notification notification,
48 Object handback);
49 }
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