[Zope] Catch Object Changes

Holger Schmidt hs at keppler-it.de
Thu Nov 27 19:47:58 EST 2003


Hello,

I have a list of objects.
The list can contain objects like Folders, PropertyObjects or just every
product that you have installed (but has to be accessible via the ZMI).

My problem is that I want to do some XML-RPC to another Zope instance
whenever some object of my list has changed (the XML-RPC depends on
the object which has changed, that means that I also need to get the
(commited?) changed object at this time).

My idea to solve this problem:
1.) get to know when ANY object in Zope is changed
2.) check if this object is in my list
3.) if the list contains the object: start a thread managing the XML-RPC

Problem is step 1 ... how can Zope tell me that ANY object is changed ...?

I've heard that one solution would be to write my own storage but this
would be very difficult ...

Is there also an easier solution to my problem?

-- 
Thanks,
Holger

P.S.: I probably will not manage to read any mail this weekend but
would be very happy if I would receive (m)any solutions until sunday
evening ;)





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