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Re: Sub-pipelines

From: Norman Walsh <Norman.Walsh@Sun.COM>
Date: Wed, 15 Mar 2006 15:18:40 -0500
To: public-xml-processing-model-wg@w3.org
Message-ID: <87irqf1mxr.fsf@nwalsh.com>
/ Rui Lopes <rlopes@di.fc.ul.pt> was heard to say:
| I would like to add that a pipeline should be called not just by name,
| but through hrefs, allowing the execution of external pipelines as
| services, e.g.:
| <p:call-pipeline href="my-other-pipeline.xml#expandandvalidate">
|    ...
| </p:call-pipline>

Yes, I think we want to allow external pipelines, but do you think
that these two pipelines mean exactly the same thing?

    <xi:include href="my-other-pipeline.xml"
    <p:call-pipeline name="expandandvalidate"/>

    <p:call-pipeline name="my-other-pipeline.xml#expandandvalidate"/>

I'm not sure. I had sort of imagined a "pipeline processor component"
for executing external pipelines. That would make them semantically
completely disconnected processes. OTOH, if we agree that a
sub-pipeline can't refer to "global" variables, I'm not sure there's
any way to distinguish between these two cases.

                                        Be seeing you,

Norman.Walsh@Sun.COM / XML Standards Architect / Sun Microsystems, Inc.
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Received on Wednesday, 15 March 2006 20:18:51 UTC

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