001/* TargetedNotificaton.java -- Wrapper for a notification and identifier pair. 002 Copyright (C) 2008 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038package javax.management.remote; 039 040import java.io.Serializable; 041 042import javax.management.Notification; 043 044/** 045 * Wraps a notification with an identifier that specifies 046 * the listener which received it. 047 * 048 * @author Andrew John Hughes (gnu_andrew@member.fsf.org) 049 * @since 1.5 050 */ 051public class TargetedNotification 052 implements Serializable 053{ 054 055 /** 056 * Compatible with JDK 1.6 057 */ 058 private static final long serialVersionUID = 7676132089779300926L; 059 060 /** 061 * The notification that was recieved by the listener. 062 */ 063 private Notification notif; 064 065 /** 066 * The identifier for the listener that received the notification; 067 */ 068 private Integer id; 069 070 /** 071 * Constructs a new {@link TargetedNotification} which connects 072 * the supplied notification with the specified identifier. The 073 * identifier matches one of those returned by a previous call 074 * to add a new notification listener. 075 * 076 * @param notif the notification. 077 * @param id the identifier of the listener that received the 078 * notification. 079 * @throws IllegalArgumentException if either argument is 080 * <code>null</code>. 081 */ 082 public TargetedNotification(Notification notif, Integer id) 083 { 084 if (notif == null) 085 throw new IllegalArgumentException("The notification is null."); 086 if (id == null) 087 throw new IllegalArgumentException("The identifier is null."); 088 this.notif = notif; 089 this.id = id; 090 } 091 092 /** 093 * Returns the notification. 094 * 095 * @return the notification. 096 */ 097 public Notification getNotification() 098 { 099 return notif; 100 } 101 102 /** 103 * Returns the identifier for the listener 104 * which received the notification. 105 * 106 * @return the identifier. 107 */ 108 public Integer getListenerID() 109 { 110 return id; 111 } 112 113 /** 114 * Returns a textual representation of the object. 115 * 116 * @return a textual representation. 117 */ 118 public String toString() 119 { 120 return getClass().getName() + 121 "[notif=" + notif + 122 ",id=" + id + 123 "]"; 124 } 125 126} 127