Eric Cobb said the following on 09/16/2009 03:44 PM:
> That's good to know!  My next question was going to be, with call-method 
> coming in Mach-II 1.8 does that mean that Listeners will possibly be 
> going away in the future? 
>
> I guess this means "No".
>   

Nope, listeners will never go away -- they are a large concept behind 
Mach-II and even frameworks like Grails (Java).  It's that call-method 
cannot make decisions on application flow and that is where listeners 
excel at.  Listeners do application flow controller.  Call-method is 
more about getting data and logic-less.  In the past you have to use 
listeners to get data and you'd end up with a ton of getXYZ() calls that 
were mostly one liners getUserService().getUser(event.getArg("userId)).  
Call-method that does that better and in less code because you don't 
have to create a method.  However when you need to make a decision (say 
posting a form and you need to decided whether it's pass/fail) -- 
listeners can have the logic in them, but they are usually short and sweet.

.Peter

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