timer.html

j2ee的API 1.4版本,j2ee的帮助文档

<DL>
<DD>Cause the timer and all its associated expiration notifications to
 be cancelled.
<P>
<DD><DL>

<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - If this method is
 invoked while the instance is in a state that does not allow access 
 to this method.
<DD><CODE><A HREF="../../javax/ejb/NoSuchObjectLocalException.html" title="class in javax.ejb">NoSuchObjectLocalException</A></CODE> - If invoked on a timer
 that has expired or has been cancelled.
<DD><CODE><A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></CODE> - If this method could not complete due
 to a system-level failure.</DL>
</DD>
</DL>
<HR>

<A NAME="getTimeRemaining()"><!-- --></A><H3>
getTimeRemaining</H3>
<PRE>
public long <B>getTimeRemaining</B>()
                      throws <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/NoSuchObjectLocalException.html" title="class in javax.ejb">NoSuchObjectLocalException</A>,
                             <A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></PRE>
<DL>
<DD>Get the number of milliseconds that will elapse before the next
 scheduled timer expiration.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the number of milliseconds that will elapse before the next
 scheduled timer expiration.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - If this method is
 invoked while the instance is in a state that does not allow access 
 to this method.
<DD><CODE><A HREF="../../javax/ejb/NoSuchObjectLocalException.html" title="class in javax.ejb">NoSuchObjectLocalException</A></CODE> - If invoked on a timer
 that has expired or has been cancelled.
<DD><CODE><A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></CODE> - If this method could not complete due
 to a system-level failure.</DL>
</DD>
</DL>
<HR>

<A NAME="getNextTimeout()"><!-- --></A><H3>
getNextTimeout</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Date.html" title="class or interface in java.util">Date</A> <B>getNextTimeout</B>()
                    throws <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/NoSuchObjectLocalException.html" title="class in javax.ejb">NoSuchObjectLocalException</A>,
                           <A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></PRE>
<DL>
<DD>Get the point in time at which the next timer expiration is scheduled 
 to occur.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the point in time at which the next timer expiration is 
 scheduled to occur.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - If this method is
 invoked while the instance is in a state that does not allow access 
 to this method.
<DD><CODE><A HREF="../../javax/ejb/NoSuchObjectLocalException.html" title="class in javax.ejb">NoSuchObjectLocalException</A></CODE> - If invoked on a timer
 that has expired or has been cancelled.
<DD><CODE><A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></CODE> - If this method could not complete due
 to a system-level failure.</DL>
</DD>
</DL>
<HR>

<A NAME="getInfo()"><!-- --></A><H3>
getInfo</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A> <B>getInfo</B>()
                     throws <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/NoSuchObjectLocalException.html" title="class in javax.ejb">NoSuchObjectLocalException</A>,
                            <A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></PRE>
<DL>
<DD>Get the information associated with the timer at the time of creation.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>The Serializable object that was passed in at timer creation, or
 null if the info argument passed in at timer creation was null.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - If this method is
 invoked while the instance is in a state that does not allow access 
 to this method.
<DD><CODE><A HREF="../../javax/ejb/NoSuchObjectLocalException.html" title="class in javax.ejb">NoSuchObjectLocalException</A></CODE> - If invoked on a timer
 that has expired or has been cancelled.
<DD><CODE><A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></CODE> - If this method could not complete due
 to a system-level failure.</DL>
</DD>
</DL>
<HR>

<A NAME="getHandle()"><!-- --></A><H3>
getHandle</H3>
<PRE>
public <A HREF="../../javax/ejb/TimerHandle.html" title="interface in javax.ejb">TimerHandle</A> <B>getHandle</B>()
                      throws <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/NoSuchObjectLocalException.html" title="class in javax.ejb">NoSuchObjectLocalException</A>,
                             <A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></PRE>
<DL>
<DD>Get a serializable handle to the timer.  This handle can
 be used at a later time to re-obtain the timer reference.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>a serializable handle to the timer.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - If this method is
 invoked while the instance is in a state that does not allow access 
 to this method.
<DD><CODE><A HREF="../../javax/ejb/NoSuchObjectLocalException.html" title="class in javax.ejb">NoSuchObjectLocalException</A></CODE> - If invoked on a timer
 that has expired or has been cancelled.
<DD><CODE><A HREF="../../javax/ejb/EJBException.html" title="class in javax.ejb">EJBException</A></CODE> - If this method could not complete due
 to a system-level failure.</DL>
</DD>
</DL>
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