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Tony Smith

12 Jul, 2011 07:35 PM

I actually have two question for the pros out there...

1. I started using Signals instead events pretty much everywhere. However, I am wondering if there is a piece of the puzzle I missing. Is there a "signal bus" out there? I am currently using signalMap and signalCommandMap but I am still thinking that some kind of bus is in order so that I wouldn't need to mapSingleton on signals just to inject them. Am I missing the boat?

2. I am finding it to be very useful, if not necessary, to have a signal dispatched when any service call is made and then a signal dispatched when that call is returned. Where I keep stepping on my own feet is trying to decided what data that signal should hold. Should I have:

-addStudentServiceSignal and addStudentServiceResponseSignal and just send the StudentVO as the payload?

-addItemServiceSignal and addItemServiceSignalResponse and just send the contents of the ResultEvent?

-itemServiceSignal and itemServiceSignalResponse and have a "type" property to describe it as "add", "edit"....along with payload?

-serviceSignal that has "isResponse", "type" and payload?

I know this might be a bigger question but I was hoping to hear how some of you implemented notification of service calls or maybe just how you use signals outside of view-mediator communication.

Thanks all

1. 2 Posted by Stray on 12 Jul, 2011 07:40 PM

   

   Signal busses are valid but you have to make your own in order for them to be useful - ie your own "MenuSignalBus" that just exposes static constants for the individual signals.

   Then you inject that SignalBus where you need it.

   I like to call them "Channels" rather than Buses... as they don't really do any busing...

   Stray

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2. 3 Posted by Tony Smith on 12 Jul, 2011 07:57 PM

   

   I guess that does help clean things up a bit. You don't put all signals in a Channel though, do you? Like view to mediator signals?

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3. 4 Posted by Stray on 12 Jul, 2011 08:13 PM

   

   no - the view to mediator signals are properties of the view. That's part of their awesomeness.

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4. Tony Smith closed this discussion on 10 Aug, 2011 03:37 PM.

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