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/*************************************************
*
* = PACKAGE
* JACE.Reactor
*
* = FILENAME
* EventHandler.java
*
*@author Prashant Jain
*
*************************************************/
package JACE.Reactor;
import JACE.ASX.TimeValue;
/**
* <hr>
* <h2>SYNOPSIS</h2>
*<blockquote>
* Provides an abstract interface for handling timer events.
*</blockquote>
*
* <h2>DESCRIPTION</h2>
*<blockquote>
* Classes implementing this interface handle a timer's
* expiration.
*</blockquote>
*
* <h2>NOTES</h2>
*<blockquote>
* Users of C++ ACE will notice that this defines a substantially
* smaller interface than the C++ counterpart. Signal events are
* absent due to the complete absence of this feature from Java itself.
* Moreover, at this point
* there is still some question regarding whether or not the I/O
* portion will make any sense or fit into the Java model for I/O.
*</blockquote>
*
*@see TimerQueue,Reactor
*/
public interface EventHandler
{
/**
* Called when timer expires.
*@param tv Time Value for which timer was set
*@param obj An arbitrary object that was passed to the Timer Queue
* (Asynchronous Completion Token)
*/
public int handleTimeout (TimeValue tv, Object obj);
}
// Note that more methods will be added as needed
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