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Date: Fri, 4 Jun 2010 21:57:22 +0300
Message-ID: <AANLkTilRJvmXvr5f5mazt8wnFpf2A-EOCw2zW0Fza9gc@mail.gmail.com>
Subject: Re: Extending FieldCache
From: Shai Erera <serera@gmail.com>
To: "dev@lucene.apache.org" <dev@lucene.apache.org>
Content-Type: text/plain; charset=ISO-8859-1

Ok then extending FieldCache is really a problem :).

Thanks,
Shai

On Friday, June 4, 2010, Uwe Schindler <uwe@thetaphi.de> wrote:
> Ah this is the explanation, all fields in interfaces are static final:
> http://stackoverflow.com/questions/1513520/java-why-all-fields-in-an-interfa
> ce-are-implicitly-static-and-final
>
> Uwe
>
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: uwe@thetaphi.de
>
>
>> -----Original Message-----
>> From: Uwe Schindler [mailto:uwe@thetaphi.de]
>> Sent: Friday, June 04, 2010 7:54 PM
>> To: dev@lucene.apache.org
>> Subject: RE: Extending FieldCache
>>
>> Interface's (FieldCache is an interface) fields are always static (and
> final? - I
>> think they are., else it would make no sense). So in general you should
> not
>> be able to change the field in an interface.
>>
>> -----
>> Uwe Schindler
>> H.-H.-Meier-Allee 63, D-28213 Bremen
>> http://www.thetaphi.de
>> eMail: uwe@thetaphi.de
>>
>>
>> > -----Original Message-----
>> > From: Shai Erera [mailto:serera@gmail.com]
>> > Sent: Friday, June 04, 2010 6:55 PM
>> > To: dev@lucene.apache.org; yonik@lucidimagination.com
>> > Subject: Re: Extending FieldCache
>> >
>> > Actually DEFAULT is not defined final, but I haven't tried assigning a
>> value to
>> > it.
>> >
>> > Anyway, even if that's resolved, the API relies only on the field
>> > name,
>> and if I
>> > need to pass a Term then it's not reallly possible.
>> > I've also looked at LUCENE-831 but it seems this work is on hold for
>> > more than a year .
>> >
>> > I can impl my cache layer and duplicate TopFieldCollector logic.
>> >
>> > Thanks anyway,
>> > Shai
>> >
>> > On Friday, June 4, 2010, Yonik Seeley <yonik@lucidimagination.com>
>> wrote:
>> > > On Fri, Jun 4, 2010 at 4:38 AM, Shai Erera <serera@gmail.com> wrote:
>> > >> I've looked into extending FieldCache, so that I can read the
>> > >> values to cache in a custom manner (not necessarily from the
>> > >> field's values). Just want to confirm my understanding - it looks
>> > >> like if I want to do it, I'll need to create my own FieldCache
>> > >> impl, and then set FieldCache.DEFAULT with it?
>> > >
>> > > Interface members are final, so you can't actually implement your own.
>> > >
>> > > -Yonik
>> > > http://www.lucidimagination.com
>> > >
>> > > --------------------------------------------------------------------
>> > > - To unsubscribe, e-mail: dev-unsubscribe@lucene.apache.org For
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>> > >
>> > >
>> >
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>>
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