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From Vadim Gritsenko <va...@reverycodes.com>
Subject Re: Xindice filer, Re: Jisp 3.0 moved to GPL licence
Date Fri, 20 Feb 2004 16:09:35 GMT
Geoff Howard wrote:

> Vadim Gritsenko wrote:
>
>> Upayavira wrote:
>>
>>> Antonio Gallardo wrote:
>>>
>>>> Maybe this is a crazy idea but: Is posible to replace jisp with Apache
>>>> Xindice? Mainly because I have concerns for another ugly move (as jisp
>>>> did) if we choose a solution from a 3rd party again. If we use Apache
>>>> Xindice I think this cannot happen again.
>>>>
>>> Could do. How efficient is XIndice? It would need to be pretty 
>>> efficient on binary data too, as that is our primary use case.
>>
>>
>>
>> Xindice has a Filer abstraction, and there is BTreeFiler 
>> implementation. It stores binary objects under an arbitrary binary 
>> key, and keys are organized into the BTree for fast store/retrieval. 
>> See test for filer here:
>>
>>    
>> http://cvs.apache.org/viewcvs.cgi/xml-xindice/java/tests/src/org/apache/xindice/core/filer/FilerTestBase.java?view=auto

>>
>>
>> Filer uses several RandomAccessFile descriptors to provide concurrent 
>> reads / writes to the file.
>
>
>
> Does that answer mean you think a XIndice persistent store 
> implementation would be a good fit?  As you're involved heavily in 
> both projects, you'd be the best to comment probably...


It would work. Take a look at the linked class, as well as at Filer 
interface. What's your opinion?

Vadim


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