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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 1.4.2_02) on Thu Nov 13 17:20:33 PST 2003 --><TITLE>TimerService (Java 2 Platform Ent. Ed. v1.4)</TITLE><META NAME="keywords" CONTENT="javax.ejb.TimerService interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="TimerService (Java 2 Platform Ent. 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Ed. v1.4</b></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../javax/ejb/TimerHandle.html" title="interface in javax.ejb"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="TimerService.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">javax.ejb</FONT><BR>Interface TimerService</H2><HR><DL><DT>public interface <B>TimerService</B></DL><P>The TimerService interface provides enterprise bean components with access to the container-provided Timer Service. The EJB Timer Service allows entity beans, stateless session beans, and message-driven beans to be registered for timer callback events at a specified time, after a specified elapsed time, or after a specified interval.<P><P><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/ejb/Timer.html" title="interface in javax.ejb">Timer</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/TimerService.html#createTimer(java.util.Date, long, java.io.Serializable)">createTimer</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A> initialExpiration, long intervalDuration, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A> info)</CODE><BR> Create an interval timer whose first expiration occurs at a given point in time and whose subsequent expirations occur after a specified interval.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/ejb/Timer.html" title="interface in javax.ejb">Timer</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/TimerService.html#createTimer(java.util.Date, java.io.Serializable)">createTimer</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A> expiration, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A> info)</CODE><BR> Create a single-action timer that expires at a given point in time.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/ejb/Timer.html" title="interface in javax.ejb">Timer</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/TimerService.html#createTimer(long, long, java.io.Serializable)">createTimer</A></B>(long initialDuration, long intervalDuration, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A> info)</CODE><BR> Create an interval timer whose first expiration occurs after a specified duration, and whose subsequent expirations occur after a specified interval.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../javax/ejb/Timer.html" title="interface in javax.ejb">Timer</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/TimerService.html#createTimer(long, java.io.Serializable)">createTimer</A></B>(long duration, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A> info)</CODE><BR> Create a single-action timer that expires after a specified duration.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/ejb/TimerService.html#getTimers()">getTimers</A></B>()</CODE><BR> Get all the active timers associated with this bean.</TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="createTimer(long, java.io.Serializable)"><!-- --></A><H3>createTimer</H3><PRE>public <A HREF="../../javax/ejb/Timer.html" title="interface in javax.ejb">Timer</A> <B>createTimer</B>(long duration, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A> info) throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang">IllegalArgumentException</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A>, <A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></PRE><DL><DD>Create a single-action timer that expires after a specified duration.⌨️ 快捷键说明
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