Hi Paul,
If you haven' t done so already then you should download and install FDS 2.0 - This page has all the links as well as the synopsis of the Data Services that FDS 2.0 offers - http://www.adobe.com/products/flex/dataservices/
Data synchronization
Flex Data Services manages this important data synchronization process. It removes the complexity and error potential by providing a robust, high-performance data synchronization engine between client and server. It also can easily integrate with existing persistence solutions to provide an end-to-end solution.
--- In [email protected], "Paul Andrews" <[EMAIL PROTECTED]> wrote:
>
> Most of the traffic conversation here seems to revolve around applications
> that are essentially read-only or are behaving as though they are single
> user.
>
> Any tips and tricks to be found regarding the synchronisation of data in a
> multi-user application involving a database.
>
> For example (since hotel booking is a prominent example in the RIA world),
> lets suppose I have two customers (Customer A and Cust B) trying to book the
> same hotel room on the same day. Both see it as free in the RIA, Cust A
> books it and now the other must know about it too, so effectively then
> that's a straight refresh of Cust B display and the aborting of the booking
> in progress.
>
> Lets suppose my application allows Cust B to mark several days of room
> bookings and (s)he has to hit 'book now' to commit to the booking. While
> this is going on 'Cust A' has booked one of those days, so now I must merge
> the updated database with the on-screen representation, so it's no longer a
> straight replacement of the application display from the database, we're
> having to merge.
>
> Perhaps I'd best not even mention database locking and handling that in a
> RIA.
>
> Get the idea? I appreciate this isn't entirely Flex specific.
>
> If there are tips and tricks/best practices in this area with regard to
> Flex, I'd like to know about them before I re-invent the wheel!
>
> Paul
>
--
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