timer.html

j2ee api,很好的api。我这现在有

<A NAME="method_summary"><!-- --></A>
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<B>Method Summary</B></FONT></TD>
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<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/Integer.html" title="class or interface in java.lang">Integer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#addNotification(java.lang.String, java.lang.String, java.lang.Object, java.util.Date)">addNotification</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;type,
                <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;message,
                <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;userData,
                <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A>&nbsp;date)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new timer notification with the specified <CODE>type</CODE>, <CODE>message</CODE> 
 and <CODE>userData</CODE> and inserts it into the list of notifications with a given date
 and a null period and number of occurences.
 </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/Integer.html" title="class or interface in java.lang">Integer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#addNotification(java.lang.String, java.lang.String, java.lang.Object, java.util.Date, long)">addNotification</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;type,
                <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;message,
                <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;userData,
                <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A>&nbsp;date,
                long&nbsp;period)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new timer notification with the specified <CODE>type</CODE>, <CODE>message</CODE> 
 and <CODE>userData</CODE> and inserts it into the list of notifications with a given date
 and period and a null number of occurences.
 </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/Integer.html" title="class or interface in java.lang">Integer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#addNotification(java.lang.String, java.lang.String, java.lang.Object, java.util.Date, long, long)">addNotification</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;type,
                <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;message,
                <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;userData,
                <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A>&nbsp;date,
                long&nbsp;period,
                long&nbsp;nbOccurences)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new timer notification with the specified <CODE>type</CODE>, <CODE>message</CODE> 
 and <CODE>userData</CODE> and inserts it into the list of notifications with a given date, 
 period and number of occurences.
 </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/Integer.html" title="class or interface in java.lang">Integer</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#addNotification(java.lang.String, java.lang.String, java.lang.Object, java.util.Date, long, long, boolean)">addNotification</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;type,
                <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;message,
                <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;userData,
                <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A>&nbsp;date,
                long&nbsp;period,
                long&nbsp;nbOccurences,
                boolean&nbsp;fixedRate)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new timer notification with the specified <CODE>type</CODE>, <CODE>message</CODE> 
 and <CODE>userData</CODE> and inserts it into the list of notifications with a given date, 
 period and number of occurences.
 </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/util/Vector.html" title="class or interface in java.util">Vector</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#getAllNotificationIDs()">getAllNotificationIDs</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets all timer notification identifiers registered into the list of notifications.</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/util/Date.html" title="class or interface in java.util">Date</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#getDate(java.lang.Integer)">getDate</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang">Integer</A>&nbsp;id)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets a copy of the date associated to a timer notification.</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/Boolean.html" title="class or interface in java.lang">Boolean</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#getFixedRate(java.lang.Integer)">getFixedRate</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang">Integer</A>&nbsp;id)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets a copy of the flag indicating whether a peridic notification is
 executed at <i>fixed-delay</i> or at <i>fixed-rate</i>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#getNbNotifications()">getNbNotifications</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the number of timer notifications registered into the list of notifications.</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/Long.html" title="class or interface in java.lang">Long</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#getNbOccurences(java.lang.Integer)">getNbOccurences</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang">Integer</A>&nbsp;id)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets a copy of the remaining number of occurences associated to a timer notification.</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/util/Vector.html" title="class or interface in java.util">Vector</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#getNotificationIDs(java.lang.String)">getNotificationIDs</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;type)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets all the identifiers of timer notifications corresponding to the specified type.</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/timer/Timer.html#getNotificationMessage(java.lang.Integer)">getNotificationMessage</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang">Integer</A>&nbsp;id)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the timer notification detailed message corresponding to the specified identifier.</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/timer/Timer.html#getNotificationType(java.lang.Integer)">getNotificationType</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang">Integer</A>&nbsp;id)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the timer notification type corresponding to the specified identifier.</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/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#getNotificationUserData(java.lang.Integer)">getNotificationUserData</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang">Integer</A>&nbsp;id)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the timer notification user data object corresponding to the specified identifier.</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/Long.html" title="class or interface in java.lang">Long</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../javax/management/timer/Timer.html#getPeriod(java.lang.Integer)">getPeriod</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Integer.html" title="class or interface in java.lang">Integer</A>&nbsp;id)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets a copy of the period (in milliseconds) associated to a timer notification.</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/timer/Timer.html#getSendPastNotifications()">getSendPastNotifications</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the flag indicating whether or not the timer sends past notifications.
 </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/timer/Timer.html#isActive()">isActive</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tests whether the timer MBean is active.
 </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/timer/Timer.html#isEmpty()">isEmpty</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Tests whether the list of timer notifications is empty.</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/timer/Timer.html#postDeregister()">postDeregister</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allows the timer 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/timer/Timer.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 timer 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/timer/Timer.html#preDeregister()">preDeregister</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Allows the timer 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/timer/Timer.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 timer MBean to perform any operations it needs before being registered
 in the MBean server.
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">