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The PureMVC Framework Code at the Speed of Thought

Over 10 years of community discussion and knowledge are maintained here as a read-only archive.

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1  Announcements and General Discussion / General Discussion / benefits of using PureMVC on: February 05, 2008, 12:38:52
I'm creating a list of benefits of using PureMVC for people who haven't tried it and who aren't all that familiar with the MVC pattern. Are there any benefits I'm overlooking?

Notification system (publish/subscribe)
Components don’t need to know about one another’s existence in order to communicate. (Helps with modularization, code reuse.)
Communication can flow outside the containment hierarchy.

sendNotification(ApplicationFacade.LIST_LOAD_COMPLETE, showList);

Central data model
Having a model reduces redundant data fetching because value objects can be persisted within the model.
The model centralizes value objects that are accessed throughout the application.

Helps with separation of concerns
The model manages value objects. Value objects are separate from the proxy class that manages them.

The view manages and displays user interfaces. The mxml user interface files are separate from the mediator classes that manage them.

The controller manages commands, pulling the strings on the view mediators and model proxies.

Enables the application to have an API
Commands can be dispatched from anywhere in the application.

The mediators, which manage specific user interface views, provide a public interface to their views.

Allows use of Flex modules (not sure about this one)
Apparently, Cairngorm has problems when code is modularized. PureMVC has better support for using Flex modules.

Consistent MVC pattern improves coherence of project
Once the MVC pattern is understood, it’s easier to figure out the workings of unfamiliar code that follows the pattern. You know where to look for code to control the user interface and code to manage value objects, etc.
2  Announcements and General Discussion / General Discussion / mediators and proxies on: February 05, 2008, 11:57:06
Are there disadvantages to having mediators interact directly with proxies by retrieving the proxies and calling their methods? A colleague suggested that it would be a better practice to have mediators interact indirectly with proxies by dispatching commands that cause proxies to dispatch events which mediators listen for.
3  Announcements and General Discussion / General Discussion / Architectural frameworks worth it? on: December 31, 2007, 08:27:49
I've just begun refactoring our Flex project to use PureMVC, and I've been happy with improved clarity of the code. However, I just read a blog suggesting that architectural frameworks aren't worth the costs of implementing them. I'd be interested in hearing rebuttals of the arguments posted at the following URL:

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