Java tutorial
/* * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package javax.management; /** * Should be implemented by an object that wants to receive notifications. * * @since 1.5 */ public interface NotificationListener extends java.util.EventListener { /** * Invoked when a JMX notification occurs. * The implementation of this method should return as soon as possible, to avoid * blocking its notification broadcaster. * * @param notification The notification. * @param handback An opaque object which helps the listener to associate * information regarding the MBean emitter. This object is passed to the * addNotificationListener call and resent, without modification, to the * listener. */ public void handleNotification(Notification notification, Object handback); }