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Re: Merging two parallel paths: does the merge step wait until both paths finish?

From: Norman Walsh <ndw@nwalsh.com>
Date: Thu, 28 May 2009 16:26:53 -0400
To: XProc Dev <xproc-dev@w3.org>
Message-ID: <m27i013rea.fsf@nwalsh.com>
"Toman_Vojtech@emc.com" <Toman_Vojtech@emc.com> writes:

>> Suppose one path finishes before the other. Will this "merge 
>> step" wait until both p:pipe elements get a value?
> Yes, it will. Or to put it better, it will only be executed when all the
> steps it depends on have finished.

Or to sharpen the point even further: it won't finish before all of
the steps it depends on have finished :-) 

There's nothing about XProc that prevents the merging step from
starting right away, as long as it waits for all of its inputs before
it finishes.

                                        Be seeing you,

Norman Walsh <ndw@nwalsh.com> | There is a road from the eye to the
http://nwalsh.com/            | heart that does not go through the
                              | intellect.--G. K. Chesterton

Received on Thursday, 28 May 2009 20:27:35 UTC

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