* The observer pattern.
* Maybe you can use an aspect oriented "procedure" - see Spring in
Action Part 1, Chapter 3 "Creating aspect"
* For the view - Prototype with a periodic updater - Should be eat a lot
of memory [...] ... an ajax mapped something.html (use "ajax=true"
params) - like this.:
inventory.html?action=obtainName&product_id=XXX&ajax=true in order to
update an particular DIV id.
Roland G. McIntosh wrote:
> I'd like to know if there is a framework or methodology that could
> integrate with AppFuse to provide notifications to pages about domain
> object update events. Here's the use case, for a "Bookstore" application:
>
> - 5 regular users are looking at a list of books
> - An Admin deletes a book
> - at the same time, another admin changes the title of a book
> - The regular users' browsers show the changes without reloading.
>
> The browser for the users looking at the book list (using script) would
> have to register their interest in Book events, and the server would
> have to send back event notifications. These notifications could
> include an updated copy of the object in JSON form for add/update
> events, or a primary key for DELETE events. Then script could then
> update the view dynamically.
>
> Does anyone know if something like this has been done in a reusable
> manner before, or would I have to grow-my-own, maybe using DWR (for its
> reverse-ajax) and jQuery to update the displaytag table somehow ? I'd
> appreciate any tips you could give me on how best to accomplish my use case.
>
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--
Leo Barrientos C.
Chief Operating Officer
Open Sistemas Chile
email: [EMAIL PROTECTED]
Fono: +56 2 8912095 Móvil: 93052300
http://www.opensistemas.com
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