<boom> head explodes.... heh! I have been happily thinking the whole time that events really *are* asynchronous, but that's obviously not true. Reality check...
Thanks guys. I think I might have run out of reasons *not* to use Parsley :) On Tue, Dec 9, 2008 at 01:06, Paul Andrews <[EMAIL PROTECTED]> wrote: > ----- Original Message ----- > From: "Jules Suggate" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Monday, December 08, 2008 6:49 AM > Subject: [flexcoders] Parsley MVC :: some thoughts > >> Anyone used Parsley MVC? I'm a bit confused by it. >> >> There's the standard MVC FrontController class, which exposes a method >> dispatchEvent() for app-wide notifications. It also has a concept of >> interceptors which is nice... so far so good. >> >> BUT... that dispatchEvent() call executes *synchronously*. Control >> won't return to your code until *every single listener* to that event >> finishes executing!! In a single-threaded environment like Flash >> Player, I would have thought this to be a disastrous design >> decision... can anyone shed any light on this, as I'm sure there's >> something I'm missing here! > > Why is it disastrous? The flash player is single threaded so it's not > possible have concurrently running code (something I think that Adobe should > address in the future) so why shouldn't all the waiting listeners be called? > > It's not possible to resume execution elsewhere while a listener is still > active because that would require semaphores to handle pseudo concurrency > and I'm sure that holds true not just for the listeners themselves but also > for the mechanism that calls the waiting listeners. > > Paul > >> >> TIA, >> +J >> >> PS another thing I haven't figured out yet is how to inject >> dependencies into a View component... it seems Parsley can only inject >> into objects that have been created in the Parsley config file ... and >> because View components are instantiated by the Flex framework, from >> what I can tell Parsley has no way to reference them... this has the >> unpleasant side-effect of requiring all my View code to access the >> FrontController directly through the FrontController.root static >> property. >> >> In fact, the FrontController class is bugging me -- it is a concrete >> class with no abstract interface I can code to. It's making me nervous >> about lock-in to the Parsley framework. >> >> Kinda goes against the whole IoC thing, no? >> >> PPS And yeah, I will post this to the Parsley forums, but I want the >> esteemed opinion of those on this list too! >> >> ------------------------------------ >> >> -- >> Flexcoders Mailing List >> FAQ: http://groups.yahoo.com/group/flexcoders/files/flexcodersFAQ.txt >> Alternative FAQ location: >> >> https://share.acrobat.com/adc/document.do?docid=942dbdc8-e469-446f-b4cf-1e62079f6847 >> Search Archives: >> http://www.mail-archive.com/flexcoders%40yahoogroups.comYahoo! Groups >> Links >> >> >> > >
