Vadim Gritsenko wrote:
There is also a problem that sendPageAndWait doesn't wait for the view generation to be finished. So if you close your hibernate session in the cleanup function you will likely get lazy fetching exceptions.Jeremy Quinn wrote:
On 6 Jul 2004, at 11:13, Sylvain Wallez wrote:
Now, the basic mechanism for this could be to scan all attribute values of the request and find out if the value should be cleaned up or not. This could be done by either testing for the usual suspects from Avalon (Disposable, Recyclable) or by defining a new Cocoon specific interface.
But perhaps there is a better way?
What about adding a list of ProcessingListeners to the object model, which can be augmented by the various components that participate in request handling, and is called at particular places such as:
- processing start (such listeners must be registered in the xconf),
- sitemap mount,
- end of pipeline building,
- start of pipeline execution (differs from the previous one as it may not be called if the result is cached)
- end of pipeline execution
- end of processing
That would allow e.g. a flowscript to register a listener that closes a hibernate session once the processing is terminated, thus allowing the same session to be used in the view.
I believe this is already possible with the JXTemplate callback hook:
catch (return) {session.close ()}
though there does seem to be a lot of confusion about it and the syntax is strange ;)
I think those listeners are not only for flowscript, but more generic approach. Btw, sendPageAndWait also has a provision for clean up function. Problem is it does not work each time [1].
Vadim
[1] http://marc.theaimsgroup.com/?l=xml-cocoon-dev&m=108716210425332&w=2
Or has this been fixed maybe?
Is there a possibility to provide a clean-up function for sendPage ( same scenario as with sendPageAndWait - should wait for view to finish rendering)?
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