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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_15) on Thu Aug 28 21:12:48 PDT 2008 --><TITLE>TaskEngine (Openfire 3.6.0a Javadoc)</TITLE><META NAME="keywords" CONTENT="org.jivesoftware.util.TaskEngine class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="TaskEngine (Openfire 3.6.0a Javadoc)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><b>Openfire 3.6.0a Javadoc</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../org/jivesoftware/util/StringUtils.html" title="class in org.jivesoftware.util"><B>PREV CLASS</B></A> <A HREF="../../../org/jivesoftware/util/Version.html" title="class in org.jivesoftware.util"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?org/jivesoftware/util/TaskEngine.html" target="_top"><B>FRAMES</B></A> <A HREF="TaskEngine.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.jivesoftware.util</FONT><BR>Class TaskEngine</H2><PRE><A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">java.lang.Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>org.jivesoftware.util.TaskEngine</B></PRE><HR><DL><DT><PRE>public class <B>TaskEngine</B><DT>extends <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL></PRE><P>Performs tasks using worker threads. It also allows tasks to be scheduled to be run at future dates. This class mimics relevant methods in both <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/concurrent/ExecutorService.html" title="class or interface in java.util.concurrent"><CODE>ExecutorService</CODE></A> and <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Timer.html" title="class or interface in java.util"><CODE>Timer</CODE></A>. Any <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/TimerTask.html" title="class or interface in java.util"><CODE>TimerTask</CODE></A> that's scheduled to be run in the future will automatically be run using the thread executor's thread pool. This means that the standard restriction that TimerTasks should run quickly does not apply.<P><P><DL><DT><B>Author:</B></DT> <DD>Matt Tucker</DD></DL><HR><P><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jivesoftware/util/TaskEngine.html#cancelScheduledTask(java.util.TimerTask)">cancelScheduledTask</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/TimerTask.html" title="class or interface in java.util">TimerTask</A> task)</CODE><BR> Cancels the execution of a scheduled task.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../org/jivesoftware/util/TaskEngine.html" title="class in org.jivesoftware.util">TaskEngine</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jivesoftware/util/TaskEngine.html#getInstance()">getInstance</A></B>()</CODE><BR> Returns a task engine instance (singleton).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jivesoftware/util/TaskEngine.html#schedule(java.util.TimerTask, java.util.Date)">schedule</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/TimerTask.html" title="class or interface in java.util">TimerTask</A> task, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A> time)</CODE><BR> Schedules the specified task for execution at the specified time.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jivesoftware/util/TaskEngine.html#schedule(java.util.TimerTask, java.util.Date, long)">schedule</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/TimerTask.html" title="class or interface in java.util">TimerTask</A> task, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A> firstTime, long period)</CODE><BR> Schedules the specified task for repeated <i>fixed-delay execution</i>, beginning at the specified time.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jivesoftware/util/TaskEngine.html#schedule(java.util.TimerTask, long)">schedule</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/TimerTask.html" title="class or interface in java.util">TimerTask</A> task, long delay)</CODE><BR> Schedules the specified task for execution after the specified delay.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jivesoftware/util/TaskEngine.html#schedule(java.util.TimerTask, long, long)">schedule</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/TimerTask.html" title="class or interface in java.util">TimerTask</A> task, long delay, long period)</CODE><BR> Schedules the specified task for repeated <i>fixed-delay execution</i>, beginning after the specified delay.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/jivesoftware/util/TaskEngine.html#scheduleAtFixedRate(java.util.TimerTask, java.util.Date, long)">scheduleAtFixedRate</A></B>(<A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/TimerTask.html" title="class or interface in java.util">TimerTask</A> task, <A HREF="http://java.sun.com/j2se/1.5.0/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A> firstTime, long period)</CODE>⌨️ 快捷键说明
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