This demo was originally1
written for Cairngorm, another framework for Flex. It illustrates the handling of routine maintenance tasks on the client.
The demo has historically been located here:
The project has been moved here: https://github.com/PureMVC/puremvc-as3-demo-flex-cafetownsend/wiki
The author is Michael Ramirez.1
Cairngorm Cafe Townsend Demo - http://cairngormdocs.org/blog/?p=19