Re: Refreshing data
Re: Refreshing data
- Subject: Re: Refreshing data
- From: Hermann Röscheisen <email@hidden>
- Date: Fri, 25 Apr 2003 17:01:54 +0200
am 25.04.2003 11:36 Uhr schrieb Ray Ackland unter email@hidden:
> Is there a way of signalling instances of a WO web application that
> they should grab fresh data from the database?
Ray,
there are some incarnations of a "change notification" framework out there.
One of them is included in the open source project Wonder (on sourceforge).
It's not perfect but it may suite your needs.
It uses a standard JMS server (OpenJMS, setup is quite easy) as notification
dispatcher. Every instance registers with this server and posts its database
changes to it. Applications listen to changes of other instances and
invalidate the corresponding enterprise objects locally.
OpenJMS is very robust. We also use it in our projects for change
notifications but we have our own framework.
Hermann
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