confusion in 2.1

[Sylvain Wallez]

Hi team,

Will preparing a presentation, I realized that the new feature in 2.1 that allows pipeline implementations to be defined in the <map:components> section of the sitemap leads to some duplicate use of <map:pipeline> and <map:pipelines> :

- When used in <map:sitemap>, <map:pipelines> contains <map:pipeline> elements, which define the pipeline assembly instructions. This is what we've been used to up to the current 2.0.x version.

- When used in <map:components>, <map:pipelines> also contains <map:pipeline> elements that define the implementations of the Pipeline interface to be used in the above <map:pipelines> !

This duplicate use of the same element names IMHO introduces much confusion when you try to explain what a "pipeline" is, as we already use this word for several different things :
- a <map:pipeline> section (logical grouping of sitemap statements)
- the contents of a <map:match> (the instructions executed for a given URI)
- the chain of components that produce the response (generator, transformers, and serializer).

So I propose to change the name of <map:pipeline> in the <map:components> part to remove this confusion (also, what about document validation ?)

What about
- <map:pipeline-handler>
- <map:pipeline-manager>
- <map:pipeline-runner>
- something else ?

Sylvain

--
Sylvain Wallez Anyware Technologies
http://www.apache.org/~sylvain http://www.anyware-tech.com
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