monitor.html

j2ee api,很好的api。我这现在有

<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#addObservedObject(javax.management.ObjectName)">addObservedObject</A></B>(<A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A>&nbsp;object)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Adds the specified object in the set of observed MBeans, if this object
 is not already present.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#containsObservedObject(javax.management.ObjectName)">containsObservedObject</A></B>(<A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A>&nbsp;object)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tests whether the specified object is in the set of observed MBeans.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;long</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#getGranularityPeriod()">getGranularityPeriod</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the granularity period (in milliseconds).
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#getObservedAttribute()">getObservedAttribute</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the attribute being observed.
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#getObservedObject()">getObservedObject</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>As of JMX 1.2, replaced by <A HREF="../../../javax/management/monitor/Monitor.html#getObservedObjects()"><CODE>getObservedObjects()</CODE></A></I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#getObservedObjects()">getObservedObjects</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an array containing the objects being observed.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#isActive()">isActive</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tests whether the monitor MBean is active.
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#postDeregister()">postDeregister</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allows the monitor MBean to perform any operations needed after having been
 unregistered by the MBean server.
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#postRegister(java.lang.Boolean)">postRegister</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Boolean.html" title="class or interface in java.lang">Boolean</A>&nbsp;registrationDone)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allows the monitor MBean to perform any operations needed after having been
 registered in the MBean server or after the registration has failed.
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#preDeregister()">preDeregister</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allows the monitor MBean to perform any operations it needs before being unregistered
 by the MBean server.
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#preRegister(javax.management.MBeanServer, javax.management.ObjectName)">preRegister</A></B>(<A HREF="../../../javax/management/MBeanServer.html" title="interface in javax.management">MBeanServer</A>&nbsp;server,
            <A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A>&nbsp;name)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allows the monitor MBean to perform any operations it needs before being registered
 in the MBean server.
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#removeObservedObject(javax.management.ObjectName)">removeObservedObject</A></B>(<A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A>&nbsp;object)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Removes the specified object from the set of observed MBeans.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#setGranularityPeriod(long)">setGranularityPeriod</A></B>(long&nbsp;period)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the granularity period (in milliseconds).
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#setObservedAttribute(java.lang.String)">setObservedAttribute</A></B>(<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;attribute)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the attribute to observe.
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#setObservedObject(javax.management.ObjectName)">setObservedObject</A></B>(<A HREF="../../../javax/management/ObjectName.html" title="class in javax.management">ObjectName</A>&nbsp;object)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;<I>As of JMX 1.2, replaced by <A HREF="../../../javax/management/monitor/Monitor.html#addObservedObject(javax.management.ObjectName)"><CODE>addObservedObject(javax.management.ObjectName)</CODE></A></I></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#start()">start</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Starts the monitor.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>abstract &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/Monitor.html#stop()">stop</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stops the monitor.</TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_javax.management.NotificationBroadcasterSupport"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class javax.management.<A HREF="../../../javax/management/NotificationBroadcasterSupport.html" title="class in javax.management">NotificationBroadcasterSupport</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../javax/management/NotificationBroadcasterSupport.html#addNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)">addNotificationListener</A>, <A HREF="../../../javax/management/NotificationBroadcasterSupport.html#getNotificationInfo()">getNotificationInfo</A>, <A HREF="../../../javax/management/NotificationBroadcasterSupport.html#handleNotification(javax.management.NotificationListener, javax.management.Notification, java.lang.Object)">handleNotification</A>, <A HREF="../../../javax/management/NotificationBroadcasterSupport.html#removeNotificationListener(javax.management.NotificationListener)">removeNotificationListener</A>, <A HREF="../../../javax/management/NotificationBroadcasterSupport.html#removeNotificationListener(javax.management.NotificationListener, javax.management.NotificationFilter, java.lang.Object)">removeNotificationListener</A>, <A HREF="../../../javax/management/NotificationBroadcasterSupport.html#sendNotification(javax.management.Notification)">sendNotification</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<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>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="capacityIncrement"><!-- --></A><H3>
capacityIncrement</H3>
<PRE>
protected static final int <B>capacityIncrement</B></PRE>
<DL>
<DD>The amount by which the capacity of the monitor arrays are automatically incremented when
 their size becomes greater than their capacity.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../constant-values.html#javax.management.monitor.Monitor.capacityIncrement">Constant Field Values</A></DL>
</DL>
<HR>

<A NAME="elementCount"><!-- --></A><H3>
elementCount</H3>
<PRE>
protected int <B>elementCount</B></PRE>
<DL>
<DD>The number of valid components in the vector of observed objects.
<P>
<DL>
<DT><B>Since:</B></DT>
  <DD>JMX 1.2</DD>
</DL>
</DL>
<HR>

<A NAME="alreadyNotified"><!-- --></A><H3>
alreadyNotified</H3>
<PRE>
protected int <B>alreadyNotified</B></PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>equivalent to <A HREF="../../../javax/management/monitor/Monitor.html#alreadyNotifieds"><CODE>alreadyNotifieds</CODE></A>[0].</I>
<P>
<DD>Monitor errors that have already been notified.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="alreadyNotifieds"><!-- --></A><H3>
alreadyNotifieds</H3>
<PRE>
protected int[] <B>alreadyNotifieds</B></PRE>
<DL>
<DD><p>Selected monitor errors that have already been notified.</p>

 <p>Each element in this array corresponds to an observed object
 in the vector.  It contains a bit mask of the flags <A HREF="../../../javax/management/monitor/Monitor.html#OBSERVED_OBJECT_ERROR_NOTIFIED"><CODE>OBSERVED_OBJECT_ERROR_NOTIFIED</CODE></A> etc, indicating whether the
 corresponding notification has already been sent for the MBean
 being monitored.</p>
<P>
<DL>
<DT><B>Since:</B></DT>
  <DD>JMX 1.2</DD>
</DL>
</DL>
<HR>

<A NAME="server"><!-- --></A><H3>
server</H3>
<PRE>
protected <A HREF="../../../javax/management/MBeanServer.html" title="interface in javax.management">MBeanServer</A> <B>server</B></PRE>
<DL>
<DD>Reference on the MBean server.
 This reference is null when the monitor MBean is not registered in an MBean server.
 This reference is initialized before the monitor MBean is registered in the MBean server.
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../javax/management/monitor/Monitor.html#preRegister(javax.management.MBeanServer, javax.management.ObjectName)"><CODE>preRegister(MBeanServer server, ObjectName name)</CODE></A></DL>
</DL>
<HR>