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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/javax/management/AttributeChangeNotification.java
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+/* 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;
+ }
+
+}