countermonitor.html

j2ee api,很好的api。我这现在有

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the initial threshold value common to all observed objects.</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/Number.html" title="class or interface in java.lang">Number</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/CounterMonitor.html#getModulus()">getModulus</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the modulus value common to all observed MBeans.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="../../../javax/management/MBeanNotificationInfo.html" title="class in javax.management">MBeanNotificationInfo</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/CounterMonitor.html#getNotificationInfo()">getNotificationInfo</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a <CODE>NotificationInfo</CODE> object containing the name of the Java class of the notification
 and the notification types sent by the counter monitor.</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/CounterMonitor.html#getNotify()">getNotify</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the notification's on/off switch value common to all
 observed MBeans.</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/Number.html" title="class or interface in java.lang">Number</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/CounterMonitor.html#getOffset()">getOffset</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the offset value common to all observed MBeans.</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/Number.html" title="class or interface in java.lang">Number</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/CounterMonitor.html#getThreshold()">getThreshold</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/CounterMonitor.html#getThreshold(javax.management.ObjectName)"><CODE>getThreshold(ObjectName)</CODE></A></I></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/Number.html" title="class or interface in java.lang">Number</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/CounterMonitor.html#getThreshold(javax.management.ObjectName)">getThreshold</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;Gets the current threshold value of the specified object, if
 this object is contained in the set of observed MBeans, or
 <code>null</code> otherwise.</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/CounterMonitor.html#preDeregister()">preDeregister</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allows the counter 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;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/monitor/CounterMonitor.html#setDifferenceMode(boolean)">setDifferenceMode</A></B>(boolean&nbsp;value)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the difference mode flag value common to all 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/CounterMonitor.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/CounterMonitor.html#setInitThreshold(java.lang.Number)">setInitThreshold</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Number.html" title="class or interface in java.lang">Number</A>&nbsp;value)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the initial threshold value common to all observed objects.
 </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/CounterMonitor.html#setModulus(java.lang.Number)">setModulus</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Number.html" title="class or interface in java.lang">Number</A>&nbsp;value)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the modulus value common to all 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/CounterMonitor.html#setNotify(boolean)">setNotify</A></B>(boolean&nbsp;value)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the notification's on/off switch value common to all
 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/CounterMonitor.html#setOffset(java.lang.Number)">setOffset</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Number.html" title="class or interface in java.lang">Number</A>&nbsp;value)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the offset value common to all 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/CounterMonitor.html#setThreshold(java.lang.Number)">setThreshold</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Number.html" title="class or interface in java.lang">Number</A>&nbsp;value)</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/CounterMonitor.html#setInitThreshold(java.lang.Number)"><CODE>setInitThreshold(java.lang.Number)</CODE></A></I></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/CounterMonitor.html#start()">start</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Starts the counter monitor.</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/CounterMonitor.html#stop()">stop</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Stops the counter monitor.

 </TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_javax.management.monitor.Monitor"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class javax.management.monitor.<A HREF="../../../javax/management/monitor/Monitor.html" title="class in javax.management.monitor">Monitor</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../javax/management/monitor/Monitor.html#addObservedObject(javax.management.ObjectName)">addObservedObject</A>, <A HREF="../../../javax/management/monitor/Monitor.html#containsObservedObject(javax.management.ObjectName)">containsObservedObject</A>, <A HREF="../../../javax/management/monitor/Monitor.html#getGranularityPeriod()">getGranularityPeriod</A>, <A HREF="../../../javax/management/monitor/Monitor.html#getObservedAttribute()">getObservedAttribute</A>, <A HREF="../../../javax/management/monitor/Monitor.html#getObservedObject()">getObservedObject</A>, <A HREF="../../../javax/management/monitor/Monitor.html#getObservedObjects()">getObservedObjects</A>, <A HREF="../../../javax/management/monitor/Monitor.html#isActive()">isActive</A>, <A HREF="../../../javax/management/monitor/Monitor.html#postDeregister()">postDeregister</A>, <A HREF="../../../javax/management/monitor/Monitor.html#postRegister(java.lang.Boolean)">postRegister</A>, <A HREF="../../../javax/management/monitor/Monitor.html#preRegister(javax.management.MBeanServer, javax.management.ObjectName)">preRegister</A>, <A HREF="../../../javax/management/monitor/Monitor.html#removeObservedObject(javax.management.ObjectName)">removeObservedObject</A>, <A HREF="../../../javax/management/monitor/Monitor.html#setObservedAttribute(java.lang.String)">setObservedAttribute</A>, <A HREF="../../../javax/management/monitor/Monitor.html#setObservedObject(javax.management.ObjectName)">setObservedObject</A></CODE></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#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;<A NAME="methods_inherited_from_class_javax.management.monitor.MonitorMBean"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface javax.management.monitor.<A HREF="../../../javax/management/monitor/MonitorMBean.html" title="interface in javax.management.monitor">MonitorMBean</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../javax/management/monitor/MonitorMBean.html#addObservedObject(javax.management.ObjectName)">addObservedObject</A>, <A HREF="../../../javax/management/monitor/MonitorMBean.html#containsObservedObject(javax.management.ObjectName)">containsObservedObject</A>, <A HREF="../../../javax/management/monitor/MonitorMBean.html#getGranularityPeriod()">getGranularityPeriod</A>, <A HREF="../../../javax/management/monitor/MonitorMBean.html#getObservedAttribute()">getObservedAttribute</A>, <A HREF="../../../javax/management/monitor/MonitorMBean.html#getObservedObject()">getObservedObject</A>, <A HREF="../../../javax/management/monitor/MonitorMBean.html#getObservedObjects()">getObservedObjects</A>, <A HREF="../../../javax/management/monitor/MonitorMBean.html#isActive()">isActive</A>, <A HREF="../../../javax/management/monitor/MonitorMBean.html#removeObservedObject(javax.management.ObjectName)">removeObservedObject</A>, <A HREF="../../../javax/management/monitor/MonitorMBean.html#setObservedAttribute(java.lang.String)">setObservedAttribute</A>, <A HREF="../../../javax/management/monitor/MonitorMBean.html#setObservedObject(javax.management.ObjectName)">setObservedObject</A></CODE></TD>
</TR>
</TABLE>
&nbsp;
<P>

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


<!-- ========= CONSTRUCTOR DETAIL ======== -->

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

<A NAME="CounterMonitor()"><!-- --></A><H3>
CounterMonitor</H3>
<PRE>
public <B>CounterMonitor</B>()</PRE>
<DL>
<DD>Default constructor.
<P>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Method Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="preDeregister()"><!-- --></A><H3>
preDeregister</H3>
<PRE>
public void <B>preDeregister</B>()
                   throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A></PRE>
<DL>
<DD>Allows the counter monitor MBean to perform any operations it needs before being unregistered
 by the MBean server.
 <P>
 Resets the threshold values.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../javax/management/MBeanRegistration.html#preDeregister()">preDeregister</A></CODE> in interface <CODE><A HREF="../../../javax/management/MBeanRegistration.html" title="interface in javax.management">MBeanRegistration</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../javax/management/monitor/Monitor.html#preDeregister()">preDeregister</A></CODE> in class <CODE><A HREF="../../../javax/management/monitor/Monitor.html" title="class in javax.management.monitor">Monitor</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Exception.html" title="class or interface in java.lang">Exception</A></CODE></DL>
</DD>
</DL>