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/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
/*
* Copyright (c) 2010-2012, Isode Limited, London, England.
* All rights reserved.
*/
package com.isode.stroke.eventloop;
/**
* An Event object represents an external event that requires processing.
* A concrete {@link EventLoop} implementation must ensure that Events are
* processed in the application's main event loop.
*
* <p>An application (and any concrete class of EventLoop) should treat Events
* as opaque objects to be passed to {@link EventLoop#handleEvent(Event)}.
*
* <p>Event processing is designed to happen in the main event loop, so for
* example a GUI application might handle Events in the following manner:
* <pre>
* EventLoop eventLoop = new EventLoop() {
* protected void post(final Event event) {
* // Invoke the callback in the AWT display thread
* SwingUtilities.invokeLater(new Runnable() {
* public void run() {
* handleEvent(event);
* }
* });
* }
* };
* .
* .
* .
* client.onConnected.connect(new Slot() {
* public void call() {
* // This will always be called inside the event dispatching thread
* updateSomeTextFieldInTheGUI("Connected");
* }
* });
* </pre>
*
*/
public class Event {
public interface Callback {
void run();
}
Event(EventOwner owner, Callback callback, int id) {
this.owner = owner;
this.callback = callback;
this.id = id;
}
@Override
public boolean equals(Object other) {
if (other instanceof Event) {
return id == ((Event) other).id;
}
return false;
}
@Override
public int hashCode() {
int hash = 7;
hash = 23 * hash + this.id;
return hash;
}
final int id;
final EventOwner owner;
public final Callback callback;
@Override
public String toString() {
return "Event with id=" + id +
" callback=" + callback +
(owner == null ? " (no owner information)" : " owner=" + owner);
}
}
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Swift