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From Vadim Gritsenko <>
Subject Re: [Ann/RFC] Virtual Sitemap Components
Date Mon, 11 Apr 2005 20:43:14 GMT
Daniel Fagerstrom wrote:
> Vadim Gritsenko wrote:
>> Sylvain Wallez wrote:
>>> Daniel Fagerstrom wrote:
>>>> VPCs are not cacheable yet. Its probably not that hard to add 
>>>> caching, but it requires that we extend the ProcessingPipeline 
>>>> interface with some methods that are needed for VPCs. It also 
>>>> requires that we find some syntax for declaring what pipeline type 
>>>> that should be used for a specific VPC.
>> Not sure that this is desired.
> Which of it?

"syntax for declaring what pipeline type that should be used for a specific VPC".

>> We should have configurable caching, with following levels of caching:
>>   * No Caching: Returns null key
>>   * Caching: Returns pipeline key, validity
>>   * Caching, with private cache: Same as above,
>>     plus caches output of the pipeline locally (same as
>>     caching pipeline).
> Any suggestions about where we should configure the caching and how to 
> implement it?

Either <map:parameter name="caching"> or attribute caching="" in VPC component 

> I would prefer merging the functionality in the 
> AbstractProcessingPipeline and the VirtualProcessingPipeline to reduce 
> code duplication and to be able to reuse the already implemented caching 
> pipeline.

Yes, of course.


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