Create a simple selector to check if the file exists, and if it doesn't call pipeline 
A.

--------
David

-----Mensaje original-----
De: Ali Mesbah [mailto:[EMAIL PROTECTED]
Enviado el: jueves, 19 de junio de 2003 14:10
Para: [EMAIL PROTECTED]
Asunto: pipeline dependencies

Hi,
Is it possible to define pipeline dependencies in the sitemap?

Imagine I have two pipelines A and B.
Pipeline B has a SourceWritingTransformer and all it does is writing a generated
document on the filesystem.
Pipeline A has its own generator and transformer but it depends on the document
written by B. So A denpends on B. In other words when A is called B has to be
called first but the output of A sould be serialized to the browser (and not the
output of B).


Thanks,
Ali


--
-- Ali Mesbah, West Consulting B.V., www.west.nl, +31 15 2191600

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