001 /* MBeanServerNotification.java -- The registration notification.
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 * The notification emitted by a management server on a registration
042 * or de-registration event. Events are emitted via the delegate
043 * management bean of the server. Other objects can listen for
044 * such events by registering their interest with the delegate
045 * bean. The bean can be obtained via the {@link ObjectName}
046 * <code>JMImplementation:type=MBeanServerDelegate</code>.
047 *
048 * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
049 * @since 1.5
050 */
051 public class MBeanServerNotification
052 extends Notification
053 {
054
055 /**
056 * Compatible with JDK 1.5
057 */
058 private static final long serialVersionUID = 2876477500475969677L;
059
060 /**
061 * Notification type for the registration event.
062 */
063 public static final String REGISTRATION_NOTIFICATION = "JMX.mbean.registered";
064
065 /**
066 * Notification type for the de-registration event.
067 */
068 public static final String UNREGISTRATION_NOTIFICATION = "JMX.mbean.unregistered";
069
070 /**
071 * The name of the bean which forms the subject of this notification.
072 */
073 private ObjectName objectName;
074
075 /**
076 * Constructs a new {@link MBeanServerNotification} of the specified
077 * type for an event relating to the supplied bean, with the given
078 * source and sequence number.
079 *
080 * @param type the type of notification (registration or de-registration).
081 * @param source the source of the notification.
082 * @param seqNo the sequence number of this notification, used to order
083 * multiple such notifications.
084 * @param name the name of the bean concerned by this event.
085 */
086 public MBeanServerNotification(String type, Object source, long seqNo,
087 ObjectName name)
088 {
089 super(type, source, seqNo);
090 objectName = name;
091 }
092
093 /**
094 * Returns the name of the bean this notification concerns.
095 *
096 * @return the name of the bean.
097 */
098 public ObjectName getMBeanName()
099 {
100 return objectName;
101 }
102
103 }