J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1999-2003 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | package javax.management; |
| 27 | |
| 28 | |
| 29 | /** |
| 30 | * Represents a notification emitted by the MBean server through the MBeanServerDelegate MBean. |
| 31 | * The MBean Server emits the following types of notifications: MBean registration, MBean |
| 32 | * de-registration. |
| 33 | * <P> |
| 34 | * To receive to MBeanServerNotifications, you need to be declared as listener to |
| 35 | * the {@link javax.management.MBeanServerDelegate javax.management.MBeanServerDelegate} MBean |
| 36 | * that represents the MBeanServer. The ObjectName of the MBeanServerDelegate is: |
| 37 | * <CODE>JMImplementation:type=MBeanServerDelegate</CODE>. |
| 38 | * |
| 39 | * @since 1.5 |
| 40 | */ |
| 41 | public class MBeanServerNotification extends Notification { |
| 42 | |
| 43 | |
| 44 | /* Serial version */ |
| 45 | private static final long serialVersionUID = 2876477500475969677L; |
| 46 | |
| 47 | /** |
| 48 | * Notification type denoting that an MBean has been registered. Value is "JMX.mbean.registered". |
| 49 | */ |
| 50 | public static final String REGISTRATION_NOTIFICATION = "JMX.mbean.registered" ; |
| 51 | |
| 52 | /** |
| 53 | * Notification type denoting that an MBean has been unregistered. Value is "JMX.mbean.unregistered". |
| 54 | */ |
| 55 | public static final String UNREGISTRATION_NOTIFICATION = "JMX.mbean.unregistered" ; |
| 56 | |
| 57 | |
| 58 | /** |
| 59 | * @serial The object names of the MBeans concerned by this notification |
| 60 | */ |
| 61 | private final ObjectName objectName; |
| 62 | |
| 63 | |
| 64 | /** |
| 65 | * Creates an MBeanServerNotification object specifying object names of |
| 66 | * the MBeans that caused the notification and the specified notification type. |
| 67 | * |
| 68 | * @param type A string denoting the type of the |
| 69 | * notification. Set it to one these values: {@link |
| 70 | * #REGISTRATION_NOTIFICATION}, {@link |
| 71 | * #UNREGISTRATION_NOTIFICATION}. |
| 72 | * @param source The MBeanServerNotification object responsible |
| 73 | * for forwarding MBean server notification. |
| 74 | * @param sequenceNumber A sequence number that can be used to order |
| 75 | * received notifications. |
| 76 | * @param objectName The object name of the MBean that caused the notification. |
| 77 | * |
| 78 | */ |
| 79 | public MBeanServerNotification(String type, Object source, long sequenceNumber, ObjectName objectName ) { |
| 80 | super (type,source,sequenceNumber) ; |
| 81 | this.objectName = objectName ; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Returns the object name of the MBean that caused the notification. |
| 86 | * |
| 87 | * @return the object name of the MBean that caused the notification. |
| 88 | */ |
| 89 | public ObjectName getMBeanName() { |
| 90 | return objectName ; |
| 91 | } |
| 92 | |
| 93 | } |