as i had time to look at all the stuff, i realized, that i'm
getting closer, but this is not exactly what i wanted...
as i can see from the path, one has to call:
beforeCommitHook(method, **args, **kwargs)
on each transaction, correct?
this is contrary to my idea of everything doing it's work "automagically".
what i want is a kind of callback to each dirty object, something like
def commit(self, ...):
# insert this:
for object in self._objects:
# rest of original commit() follows...
could this impose any unforseen behaviour?
btw: what version of the two following is better (i.e. faster and more
elegeant, i do python coding since abt. 6months only...)
hook = object.get('_before_transaction_commit', None)
if hook: hook()
another question: is it hook() or hook(object) in the previous line?
i never know if the self parameter has to be passed in if not called
as self.method() - are there any (simple) rules?
regards, juergen herrmann
[ Florent Guillaume wrote:]
> Dieter Maurer <[EMAIL PROTECTED]> wrote:
>> Jürgen Herrmann wrote at 2005-6-17 14:19 +0200:
>> >i make heavy use of indexes in my extension classes. these all inherit
>> >from catalogpathaware, so i have to call object.reindex_object() on
>> >each changed instance. calling it from attribute getters/setters f.ex.
>> >is not a good idea, because changing 3 attributes will reindex the
>> >3 times.
>> >what i'd like to have is that such objects are reindexed automatically
>> >before comitting a transaction.
>> >is it possible? where should i start looking in the source, is there
>> >possibly a before_transaction_commit hook?
>> It is impossible with "ZODB 3.2" (unless you patch
> The CPSCompat module of CPS has monkey-patches that backport this from
> ZODB 3.4, among others, to be used in Zope 2.7.
>> "ZODB 3.4" (which is used for Zope 2.8/3.1) has hooks
>> that makes it possible.
> Florent Guillaume, Nuxeo (Paris, France) CTO, Director of R&D
> +33 1 40 33 71 59 http://nuxeo.com [EMAIL PROTECTED]
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