ch.randelshofer.gui.event
Class EventDispatcher

java.lang.Object
  org.monte.media.concurrent.EventLoop
      ch.randelshofer.gui.event.EventDispatcher

public class EventDispatcher
extends org.monte.media.concurrent.EventLoop

Processes java.awt.ActiveEvent's on a background thread.

Example
This writes Hello World on the background thread of the EventDispatcher:

 ActiveEvent event = new ActiveEvent() {
     public void dispatch() {
          System.out.println("Hello World");
     }
 };
 
 EventDispatcher dispatcher = new EventDispatcher();
 dispatcher.dispatch(event);
 

Version:

1.1 2001-08-24 Reworked for JDK 1.3.
1.0 1998-10-07 Created.

Author:

Werner Randelshofer

Field Summary

Fields inherited from class org.monte.media.concurrent.EventLoop

eventProcessor

Constructor Summary

EventDispatcher()
Creates a new event dispatcher which dispatches events at Thread.NORM_PRIORITY.

EventDispatcher(int threadPriority)
Creates a new EventDispatcher which processes events at the desired thread priority.

Method Summary

void	dispatch(java.awt.ActiveEvent event) Collects an event for later processing.
protected void	processEvent(java.lang.Object event) Calls the #dispatch method of the ActiveEvent.

Methods inherited from class org.monte.media.concurrent.EventLoop

clear, collectEvent, isCoalesce, join, processEvents, setCoalesce, start, stop

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

EventDispatcher

public EventDispatcher()

Creates a new event dispatcher which dispatches events at Thread.NORM_PRIORITY.

EventDispatcher

public EventDispatcher(int threadPriority)

Creates a new EventDispatcher which processes events at the desired thread priority.

Parameters:

threadPriority - The Thread priority of the event processor.

Method Detail

processEvent

protected void processEvent(java.lang.Object event)

Calls the #dispatch method of the ActiveEvent.

Specified by:

processEvent in class org.monte.media.concurrent.EventLoop

Parameters:

event - An instance of java.awt.ActiveEvent.

dispatch

public void dispatch(java.awt.ActiveEvent event)

Collects an event for later processing.