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From "Berin Loritsch" <>
Subject RE: [RT] CallBack Style XML Handlers
Date Wed, 20 Mar 2002 21:37:43 GMT
> -----Original Message-----
> From: Stefano Mazzocchi [] 
> Nicola Ken Barozzi wrote:
> > 
> > Dear Berin,
> >  IMNSHO with this RT you have basically managed to solve the Cocoon 
> > Generation problem :-) Shall we call it NG ie New Generation? ;-)
> > 
> > IIUC, this RT sums up all discussions on XSP2, xForge, Cocoon sub 
> > component model, Dispatcher&Adapter and integrates all of them with 
> > caching.
> Probably I'm missing something, but I really can't see this.

Well XSP Next Gen could definitely work with this approach.

> You are trying to 'precompile' all cacheable parts of a 
> pipeline result and let just the dynamic hooks, I really 
> can't see how this can be done.

I'm working on an implementation.  Just to get started, it will be
a simple XInclude callback.  Once the proof of concept is generated,
I will look at extending it to the simple markups we have like
Request, and Session.

> > It appears that all the afromentioned proposals are 
> implementable on 
> > top of this RT, with the non trivial adding of caching.
> Berin clearly stated that it has nothing to do with the 
> sitemap, so the 'pipe-aware selector' problem is still wide open.

The main issue I am trying to address is precompiling the cocoon
webapp or cocoon component so that the performance and scalability
of Cocoon will blow people away.

At the same time, I am attempting to address the issues dealing with
pages that have information of varying periodicities in a simple and
elegant manner.  A time of day XMLSource may change every second,
but the news might only be updated every minute.  Still other resources
are completely static.

If a composite page uses all three of these elements, the cache entry
for the entire page would change every second, even though the
pertinent information on the page won't change nearly that often.

> > You blew my mind, and I think I finally say the light :-o
> Don't want to rain on the party, but I didn't see any light at all.
> > If you dont get replies, usually it's because your proposal is 
> > perfect, or they don't understand it.
> I marked it for futher reading because I couldn't grasp the 
> intentions, I think I need more input.
> -- 
> Stefano Mazzocchi      One must still have chaos in oneself to be
>                           able to give birth to a dancing star.
> <>                             Friedrich Nietzsche
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