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From: Karl Wettin <karl.wettin@gmail.com>
To: java-user@lucene.apache.org
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Subject: Re: Faceting with payloads
Date: Fri, 8 Feb 2008 18:17:14 +0100
References: <46CBB02C-726E-470B-BE30-FCB5BD2EAA21@theronge.com>


6 feb 2008 kl. 23.10 skrev Matt Ronge:

> I may index the token "house" maybe found in different places with  
> different types. If the user query contains house, I want to report  
> the number of instances of the token house of type A, type B and so  
> on.
>
> Should I be using payloads for this? If so, I'd like to be able to  
> count up all the instances of for each type. Then I can show the  
> results, along with TypeA (100 hits), TypeB (1000 hits) so on.

Pehaps, what do you do with these numbers you extract?

> If I could use something like HitCollector that was passed in the  
> token payload, that would be perfect, but it doesn't support that.  
> Any thoughts on how to go about this? Also, if I want to only allow  
> tokens of TypeB, how can I efficiently filter by TypeB; using a  
> Similarity subclass seems like a hack.

I think you will have to hack the Query classes you want to use, and  
make their Weight share some counter thingy you can inspect after  
invoking a Query in the Searcher. But I'm not sure.


   karl

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