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From "Hunsberger, Peter" <>
Subject RE: Cache keys with request metadata (was Re: Accessing cache validities from flow)
Date Fri, 19 Dec 2003 15:36:58 GMT
Sylvain Wallez <> asks:

> >
> >That's sort of one of the things that we are doing, only within the 
> >current Cocoon infrastructure:  in some places we maintain 
> our own static hash map of key strings that map to Cocoon 
> validities.  We can the look up a Cocoon validity and have it 
> mark itself invalid.  The key strings we build are based 
> purely on the metadata for the data in question (or sometimes 
> the metadata about the metadata, since the whole system is 
> metadata driven).  We really need to be able to maintain a 
> multi-level hierarchy of dependencies and it would be nice if 
> we didn't have to build the code ourselves...
> >  
> >
> Well, seems like you may have a good starting base for something that 
> can be developped here. Dare to share?

I've asked in the past if I could contribute some of our code back to
Cocoon, in particular in relation to caching and what we have done in
this area.  I've never got a response back, I suspect the organization
doesn't quite know how to deal with such a request.  I'll ask once more,
but I wouldn't hold your breath.  If I had the time I'd recreate the
code independently at home but unfortunately I know that won't happen
any time soon...

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