What is the "lucene defaults class"?

Mike

On Thu, May 21, 2009 at 12:37 PM, Matthew Hall
<mh...@informatics.jax.org> wrote:
> For extreme examples like this, couldn't the stopword list be encapsulated
> into a single class that's used by the lucene defaults class.
>
> That way if you folks released updates to mostly static content like a
> stopword list, new or old users could get it easily with a simple drop in
> fix?
>
> Just my two cents.
>
> Matt
>
> Michael McCandless wrote:
>>
>> On Thu, May 21, 2009 at 12:19 PM, Robert Muir <rcm...@gmail.com> wrote:
>>
>>>
>>> even as simple as changing default stopword list for some analyzer could
>>> be
>>> an issue, if the user doesn't re-index in response to that change.
>>>
>>
>> OK, right.
>>
>> So say we forgot to include "the" in the default English stopwords
>> list (yes, an extreme example...).
>>
>> Under the proposed changes 1 & 2 to back-compat policy, we would add
>> "the" to the default stopword list, so new users get the fix, but
>> still keep the the-less list accessible (deprecated).  We'd add an
>> entry in CHANGES.txt saying this happened, and then show code on how
>> to get back to the the-less stopword list.
>>
>> New users using that StopFilter would properly see "the" filtered out.
>>  Users who upgraded would need to fix their code to switch back to the
>> deprecated the-less list.
>>
>> Mike
>>
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>
>
> --
> Matthew Hall
> Software Engineer
> Mouse Genome Informatics
> mh...@informatics.jax.org
> (207) 288-6012
>
>
>
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