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Faceted Search

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amin-mc

Post subject: Faceted Search

Posted: Sat Feb 14, 2009 3:44 pm

Pro

Joined: Wed Oct 03, 2007 2:31 pm
Posts: 205

Hi

I am looking at implementing faceted search using Hibernate Search and have a question and was hoping to get some guidance.

I came across the following code from http://forum.hibernate.org/viewtopic.php?t=993752

Code:

public Map<String,Integer> getAllHits(String field) { 
Map<String,Integer> hits = new HashMap<String,Integer>(); 
IndexReader reader = IndexReader.open( getDirectory() ); 
TermEnum terms = reader.terms( new Term( field, "" ) ); 

while( field.equals( terms.term().field() ) ){ 
hits.put( terms.term().text(), terms.docFreq() ); 

if( !terms.next() ) 
break; 

} 
} 

This works really well but I was wondering what approach to take for filtering the results for example only hits for a particular user or a another search term?

Any help would be appreciated.

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hardy.ferentschik

Post subject:

Posted: Mon Feb 23, 2009 10:21 am

Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden

Hi,

I think I would try to work with filters. Have a look at this post - http://sujitpal.blogspot.com/2007/04/lu ... -with.html
The code examples are based on 'pure' Lucene, but can be applied to Hibernate Search as well.

The code examples are still working with BitSets whereas DocIdSet should be used now, but the same principles apply.

--Hardy

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