Mark,
Thanks for the feedback. That's exactly the kind of design I was looking
at implementing. I'll keep your point #2 in mind, as my thinking process
has not quite reached that stage yet:)
Thanks,
Patrick
On Thu, 2003-11-20 at 09:25, Mark Fowler wrote:
> On Thu, 20 Nov 2003, Patrick LeBoutillier wrote:
>
> > suggestions
>
> I had a long think about this when I couldn't get it to work and came to
> roughly the same conclusions as you. Here's what I came up with, just
> incase you're still looking for feedback.
>
> 1) The simpliest implementation is a MainLoop object that has a mainloop
> method that is called from perl and does nothing but waiting on a
> queue. Waiting could probably be achieved by using wait and notifiy
> and every time MainLoop's addThingy method is called it adds the
> passed thingy to the end of the queue and notifies the object that
> the mainloop method is waiting on. The thingy you're adding to the
> queue could simply hold an Object, a Method, and a array of
> arguemtents which could then be invoked by mainloop when it wakes
> up by calling thingy.getMethod().invoke(thingy.getObject(),
> thingy.getArgs())
>
> 2) It'd be nice to write things like ActionListenerProxy that you
> construct by passing in the mainloop and the object you want the event
> proxied to.
>
> For example, ActionListenerProxy would look something like this
> (warning totally untried code that I wrote directly in my mail
> client and hence am lost without syntax highlighting):
>
> package ActionListenerProxy
> {
> Mainloop mainloop;
> ActionListener actionListener
>
> public ActionListenerProxy(Mainloop mainloop,
> ActionListener actionListener)
> {
> this.mainloop = mainloop;
> this.actionListener = actionListener;
> }
>
> void actionPerformed(ActionEvent e)
> {
> Class actionEventClass = e.getClass();
> Class argTypes[] = { actionEventClass };
> Object args[] = { e };
>
> // get the "actionPerformed" method for our class
> Method actionPerformedMethod =
> actionListener.getClass()
> .getMethod("actionPerformed",argTypes);
>
> // schedule a thingy to be called by the mainloop
> mainloop.addThingy(
> new Thingy(actionListener,
> actionPerformedMethod,
> args)
> );
> }
> }
>
> Mark.
--
=====================
Patrick LeBoutillier
Laval, Qu�bec, Canada
