| /* AttributeChangeNotification.java -- Notification for attribute changes |
| Copyright (C) 2007 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package javax.management; |
| |
| /** |
| * Defines the notification used to let listeners know of |
| * an attribute change. The bean itself is responsible |
| * for creating and transmitting the notification when the |
| * attribute changes, by implementing |
| * {@link NotificationBroadcaster}. For example, if a |
| * bean increments the integer, <code>count</code>, it |
| * should send a notification with the |
| * <code>attributeName</code>, <code>"count"</code>, |
| * the <code>attributeType</code>, <code>"Integer"</code> |
| * and the old and new values of the attribute. |
| * |
| * @author Andrew John Hughes (gnu_andrew@member.fsf.org) |
| * @since 1.5 |
| */ |
| public class AttributeChangeNotification |
| extends Notification |
| { |
| |
| /** |
| * Compatible with JDK 1.5 |
| */ |
| private static final long serialVersionUID = 535176054565814134L; |
| |
| /** |
| * The attribute type for attribute change |
| * notifications. |
| */ |
| public static final String ATTRIBUTE_CHANGE = "jmx.attribute.change"; |
| |
| /** |
| * The name of the attribute that changed. |
| */ |
| private String attributeName; |
| |
| /** |
| * The type of the attribute that changed. |
| */ |
| private String attributeType; |
| |
| /** |
| * The old value of the attribute. |
| */ |
| private Object oldValue; |
| |
| /** |
| * The new value of the attribute. |
| */ |
| private Object newValue; |
| |
| /** |
| * Constructs a new {@link AttributeChangeNotification} |
| * with the specified source, sequence number, timestamp, |
| * message, and the attribute name, type, old value and |
| * new value. |
| * |
| * @param source the producer of the notification, which |
| * is usually the bean that changed the |
| * attribute. |
| * @param sequenceNumber the sequence number of the |
| * notification. |
| * @param timeStamp the date and time of the notification. |
| * @param msg the message content of the notification. |
| * @param name the name of the attribute. |
| * @param type the type of the attribute. |
| * @param oldVal the old value of the attribute. |
| * @param newVal the new value of the attribute. |
| */ |
| public AttributeChangeNotification(Object source, |
| long sequenceNumber, |
| long timeStamp, |
| String msg, String name, |
| String type, Object oldVal, |
| Object newVal) |
| { |
| super(ATTRIBUTE_CHANGE, source, sequenceNumber, |
| timeStamp, msg); |
| attributeName = name; |
| attributeType = type; |
| oldValue = oldVal; |
| newValue = newVal; |
| } |
| |
| /** |
| * Returns the name of the attribute that changed. |
| * |
| * @return the name of the attribute. |
| */ |
| public String getAttributeName() |
| { |
| return attributeName; |
| } |
| |
| /** |
| * Returns the type of the attribute that changed. |
| * |
| * @return the type of the attribute. |
| */ |
| public String getAttributeType() |
| { |
| return attributeType; |
| } |
| |
| /** |
| * Returns the old value of the attribute. |
| * |
| * @return the old value. |
| */ |
| public Object getOldValue() |
| { |
| return oldValue; |
| } |
| |
| /** |
| * Returns the new value of the attribute. |
| * |
| * @return the new value. |
| */ |
| public Object getNewValue() |
| { |
| return newValue; |
| } |
| |
| } |