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From Sylvain Wallez <sylv...@apache.org>
Subject Re: XSP not working in CVS head?
Date Mon, 17 May 2004 14:43:20 GMT
Carsten Ziegeler wrote:

>Sylvain Wallez wrote:
>
>  
>
>>To sum up :
>>- Store.TRANSIENT_STORE : used by Cocoon to store 
>>non-serializable objects
>>- Store.ROLE : used by Cocoon to store serializable objects
>>- Store.PERSISTENT_STORE : optional component that _may_ be 
>>used by in-memory implementations of Store.ROLE to delegate 
>>persistent storage.
>>
>>AFAIU, JCS has its own in-memory front end to the persistent 
>>storage. In this configuration Store.ROLE will be a JCSStore 
>>and Store.PERSISTENT_STORE will have no implementation 
>>(because we don't need it).
>>
>>But we still and will always need a TRANSIENT_STORE that 
>>doesn't require objects to be serializable. If JCS cannot 
>>handle this, then let's keep the current 
>>DefaultTransientStore (which extends MRUMemoryStore).
>>
>>Hope this clear things a bit.
>>    
>>
>Thanks, yes!
>
>Hmm, there is only one thing I don't like: no persistent store
>in this scenario. Couldn't the persistent and the store be simply
>the same?
>  
>

No no: the persistent store is really an optional helper component for 
the main store when it needs to delegate persistency. If the main store 
already has the memory+disk implementation, we simply don't need it, as 
no other code uses it.

>>Ah, and one more detail: it would be good for JCS*Store 
>>source files to be in the "impl" directory.
>>    
>>
>Already done :)
>  
>

This is hard to follow :-)

Sylvain

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