001 /* NotificationEmitter.java -- Refined interface for broadcasters. 002 Copyright (C) 2006 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 package javax.management; 039 040 /** 041 * Represents a bean that can emit notifications when 042 * events occur. Other beans can use this interface 043 * to add themselves to the list of recipients of such 044 * notifications. 045 * 046 * @author Andrew John Hughes (gnu_andrew@member.fsf.org) 047 * @since 1.5 048 */ 049 public interface NotificationEmitter 050 extends NotificationBroadcaster 051 { 052 053 /** 054 * Removes the specified listener from the list of recipients 055 * of notifications from this bean. Only the first instance with 056 * the supplied filter and passback object is removed. 057 * <code>null</code> is used as a valid value for these parameters, 058 * rather than as a way to remove all registration instances for 059 * the specified listener; for this behaviour instead, see the details 060 * of the same method in {@link NotificationBroadcaster}. 061 * 062 * @param listener the listener to remove. 063 * @param filter the filter of the listener to remove. 064 * @param passback the passback object of the listener to remove. 065 * @throws ListenerNotFoundException if the specified listener 066 * is not registered with this bean. 067 * @see #addNotificationListener(NotificationListener, NotificationFilter, 068 * java.lang.Object) 069 */ 070 void removeNotificationListener(NotificationListener listener, 071 NotificationFilter filter, 072 Object passback) 073 throws ListenerNotFoundException; 074 075 } 076