lucene-java-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Ramana Jelda" <ramana.je...@ciao-group.com>
Subject RE: How to show category count with results?
Date Thu, 26 Jul 2007 15:28:22 GMT
Hi ,
Of course this statement is very expensive.
-->document.get("CAMPCATID")==null?"":document.get("CAMPCATID");

Use StringIndex/FieldCache/something similar to implement category counting.
:)

Jelda

> -----Original Message-----
> From: Bhavin Pandya [mailto:bhavinp@rediff.co.in] 
> Sent: Thursday, July 26, 2007 5:20 PM
> To: java-user@lucene.apache.org
> Subject: How to show category count with results?
> 
> Hi,
> 
> I want to show each category name and its count with results.
> I achieved this using DocCollector but its very slow when no 
> of results in lacs... As fetching of documents from reader in 
> collect method is expensive...
> 
> public void collect(int doc, float score) {  
>     Document document = mreader.document(doc);
>     strcatid = 
> document.get("CAMPCATID")==null?"":document.get("CAMPCATID");
>     
>     if (catcountmap.containsKey(strcatid))
>     {
>         // catid already exists in hashmap... increase count by one
> 
>         value = ((Integer)catcountmap.get(strcatid)).intValue();
>         value = value + 1;
>         catcountmap.put(strcatid,new Integer(value));
>     }
>     else
>         catcountmap.put(strcatid,new Integer(1));    
> 
> }
> 
> 
> is there any other better way to achieve this ????
> 
> 
> Thanks.
> Bhavin pandya


---------------------------------------------------------------------
To unsubscribe, e-mail: java-user-unsubscribe@lucene.apache.org
For additional commands, e-mail: java-user-help@lucene.apache.org


Mime
View raw message