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From Robin Wyles <>
Subject C2.2 and OpenSessionInViewInterceptor
Date Sat, 08 Dec 2007 14:56:55 GMT

I would like to implement something similar to Spring's  
OpenSessionInViewInterceptor [1] in Cocoon 2.2 - the idea being to  
open a Hibernate session when specific pipelines are called, binding  
it to the current thread and then closing it when the pipeline  
execution (and therefore the view) has finished. I know I could use  
the OpenSessionInViewFilter [2], but the URL mapping is unwieldy and  
is not fine grained enough for my needs, and I'm not even sure if the  
filter would be called when pipelines are called by other blocks  
(anyone know?).

My first idea was to extend one of the existing pipeline  
implementations but it seems this won't work for pipelines that  
include calls to flowscript functions as these are handled before the  
pipeline is set up. Ideally I would like to enable this functionality  
for specific pipelines, so if anyone has any ideas about how I could  
go about implementing this I'd love to hear it!



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