• To: xml-dev@l...
• Subject: Re: XML Pipeline (was: Stupid Question ...)
• From: "Thomas B. Passin" <tpassin@c...>
• Date: Wed, 06 Mar 2002 20:53:02 -0500
• References: <D60D8F448216D611A21A00508B62B5BC5ADF@e...>

[Jeff Lowery]
> > -----Original Message-----
> > From: Michael Brennan [mailto:Michael_Brennan@A...]
>
> > Although Ant is push-based whereas the pipeline proposal seems to be
> > pull-based.
>
> That's a good observation.
>
> I can see some flows where a mix of "me push" and "you pull" processes
might
> be hooked together: the main process pushing the primary inputs to
> subprocesses that are thereby triggered to pull secondary data to build
> their targets. I'm not sure how that would model in Ant or XML Pipeline;
> maybe as modular Pipeline scripts within a larger Ant framework? Must read
> more...
>

Anyone remember Morrison's "Flow Based Programming" (Van Nostrum Reinhold,
1994)?  Fascinating stuff, which apparently he used very successfully at
IBM.  Sort of a cross between recursively structured streams, pipes,
potential parallel processing, and pull processes.  It ought be be well
suited to markup processing.  I think there are still a few copies of the
book to be found (maybe used).

Cheers,

Tom P

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