attributechangenotification.html

j2ee api,很好的api。我这现在有

<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../javax/management/AttributeChangeNotification.html#getOldValue()">getOldValue</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the old value of the attribute which has changed.</TD>
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<TD><B>Methods inherited from class javax.management.<A HREF="../../javax/management/Notification.html" title="class in javax.management">Notification</A></B></TD>
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<TD><CODE><A HREF="../../javax/management/Notification.html#getMessage()">getMessage</A>, <A HREF="../../javax/management/Notification.html#getSequenceNumber()">getSequenceNumber</A>, <A HREF="../../javax/management/Notification.html#getTimeStamp()">getTimeStamp</A>, <A HREF="../../javax/management/Notification.html#getType()">getType</A>, <A HREF="../../javax/management/Notification.html#getUserData()">getUserData</A>, <A HREF="../../javax/management/Notification.html#setSequenceNumber(long)">setSequenceNumber</A>, <A HREF="../../javax/management/Notification.html#setSource(java.lang.Object)">setSource</A>, <A HREF="../../javax/management/Notification.html#setTimeStamp(long)">setTimeStamp</A>, <A HREF="../../javax/management/Notification.html#setUserData(java.lang.Object)">setUserData</A></CODE></TD>
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<TD><B>Methods inherited from class java.util.<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/EventObject.html" title="class or interface in java.util">EventObject</A></B></TD>
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<TD><B>Methods inherited from class java.lang.<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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<A NAME="ATTRIBUTE_CHANGE"><!-- --></A><H3>
ATTRIBUTE_CHANGE</H3>
<PRE>
public static final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>ATTRIBUTE_CHANGE</B></PRE>
<DL>
<DD>Notification type which indicates that the observed MBean attribute value has changed.
 <BR>The value of this type string is <CODE>jmx.attribute.change</CODE>.
<P>
<DL>
</DL>
</DL>

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<A NAME="AttributeChangeNotification(java.lang.Object, long, long, java.lang.String, java.lang.String, java.lang.String, java.lang.Object, java.lang.Object)"><!-- --></A><H3>
AttributeChangeNotification</H3>
<PRE>
public <B>AttributeChangeNotification</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;source,
                                   long&nbsp;sequenceNumber,
                                   long&nbsp;timeStamp,
                                   <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;msg,
                                   <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;attributeName,
                                   <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;attributeType,
                                   <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;oldValue,
                                   <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A>&nbsp;newValue)</PRE>
<DL>
<DD>Constructs an attribute change notification object.
 In addition to the information common to all notification, the caller must supply the name and type
 of the attribute, as well as its old and new values.
<P>
<DT><B>Parameters:</B><DD><CODE>source</CODE> - The notification producer, that is, the MBean the attribute belongs to.<DD><CODE>sequenceNumber</CODE> - The notification sequence number within the source object.<DD><CODE>timeStamp</CODE> - The date at which the notification is being sent.<DD><CODE>msg</CODE> - A String containing the message of the notification.<DD><CODE>attributeName</CODE> - A String giving the name of the attribute.<DD><CODE>attributeType</CODE> - A String containing the type of the attribute.<DD><CODE>oldValue</CODE> - An object representing value of the attribute before the change.<DD><CODE>newValue</CODE> - An object representing value of the attribute after the change.</DL>

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<A NAME="getAttributeName()"><!-- --></A><H3>
getAttributeName</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getAttributeName</B>()</PRE>
<DL>
<DD>Gets the name of the attribute which has changed.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>A String containing the name of the attribute.</DL>
</DD>
</DL>
<HR>

<A NAME="getAttributeType()"><!-- --></A><H3>
getAttributeType</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getAttributeType</B>()</PRE>
<DL>
<DD>Gets the type of the attribute which has changed.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>A String containing the type of the attribute.</DL>
</DD>
</DL>
<HR>

<A NAME="getOldValue()"><!-- --></A><H3>
getOldValue</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getOldValue</B>()</PRE>
<DL>
<DD>Gets the old value of the attribute which has changed.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>An Object containing the old value of the attribute.</DL>
</DD>
</DL>
<HR>

<A NAME="getNewValue()"><!-- --></A><H3>
getNewValue</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <B>getNewValue</B>()</PRE>
<DL>
<DD>Gets the new value of the attribute which has changed.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>An Object containing the new value of the attribute.</DL>
</DD>
</DL>
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