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}