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From Diana Shannon <shan...@apache.org>
Subject Re: [doc] Request feedback on Draft: Parameter Selector user doc
Date Tue, 02 Jul 2002 12:21:45 GMT

On Monday, July 1, 2002, at 06:52  PM, Naquin, Beth wrote:

Thanks Beth for your great work so far. Here's a few ideas how I would 
find answers to your questions.

> Parameter Selector
> applies to:  cocoon 2.0.2, ?????????????? DOES THIS APPLY TO OTHER 
> VERSIONS OF COCOON ALSO??

Are you working with CVS? If not, you can use ViewCVS.
   http://cvs.apache.org/viewcvs.cgi/xml-cocoon2/

Well, a quick check in my cvs copy at
   src/java/org/apache/cocoon/selection/
in both HEAD and 2.0.3 branches shows the file ParameterSelector.java 
still exists.
Looking into the source code itself, I don't see any deprecated javadoc 
comments.
Also, a diff of the version in release and the version in Head shows no 
substantive difference.
Safe bet to assume this applies all versions of Cocoon.

> Name: Parameter Selector
> Class:  org.apache.cocoon.selection.ParameterSelector
> Cacheable:  ????????  CAN SOMEONE ANSWER THIS, OR IS IT NONAPPLICABLE??

I would say nonapplicable. How to check: To be cacheable, a sitemap 
component must either
implement the Cacheable (deprecated) or the CacheableProcessingComponent 
interface.
This includes generators, transformers, and serializers -- *not* 
selectors.
Reason: Selectors help control flow of a pipeline. Values of selectors 
don't represent the XML
content (the "stuff" flowing through the pipelines) which is the actual 
target of caching mechanisms.

At least that's my interpretation...

Diana


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