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1: /* NotificationEmitter.java -- Refined interface for broadcasters. 2: Copyright (C) 2006 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: package javax.management; 39: 40: /** 41: * Represents a bean that can emit notifications when 42: * events occur. Other beans can use this interface 43: * to add themselves to the list of recipients of such 44: * notifications. 45: * 46: * @author Andrew John Hughes (gnu_andrew@member.fsf.org) 47: * @since 1.5 48: */ 49: public interface NotificationEmitter 50: extends NotificationBroadcaster 51: { 52: 53: /** 54: * Removes the specified listener from the list of recipients 55: * of notifications from this bean. Only the first instance with 56: * the supplied filter and passback object is removed. 57: * <code>null</code> is used as a valid value for these parameters, 58: * rather than as a way to remove all registration instances for 59: * the specified listener; for this behaviour instead, see the details 60: * of the same method in {@link NotificationBroadcaster}. 61: * 62: * @param listener the listener to remove. 63: * @param filter the filter of the listener to remove. 64: * @param passback the passback object of the listener to remove. 65: * @throws ListenerNotFoundException if the specified listener 66: * is not registered with this bean. 67: * @see #addNotificationListener(NotificationListener, NotificationFilter, 68: * java.lang.Object) 69: */ 70: void removeNotificationListener(NotificationListener listener, 71: NotificationFilter filter, 72: Object passback) 73: throws ListenerNotFoundException; 74: 75: }