001 /* TargetedNotificaton.java -- Wrapper for a notification and identifier pair. 002 Copyright (C) 2008 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.remote; 039 040 import java.io.Serializable; 041 042 import 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 */ 051 public 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 }