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From Sirish Vadala <sirishre...@gmail.com>
Subject RE: KStemFilter
Date Fri, 14 Jun 2013 18:25:24 GMT
Awesome! Exactly what I was looking for.

Thanks Schindler.


Uwe Schindler wrote
> Look at the javadocs of the analysis package and the Analyzer class, there
> it is explained how Analyzers are built - the first example is the way to
> go:
> http://lucene.apache.org/core/4_3_0/core/org/apache/lucene/analysis/Analyzer.html
> 
> -----
> Uwe Schindler
> H.-H.-Meier-Allee 63, D-28213 Bremen
> http://www.thetaphi.de
> eMail: 

> uwe@

> 
> 
>> -----Original Message-----
>> From: Sirish Vadala [mailto:

> sirishreddy@

> ]
>> Sent: Friday, June 14, 2013 7:31 PM
>> To: 

> java-user@.apache

>> Subject: KStemFilter
>> 
>> Hello All,
>> 
>> I have a new requirement within my text search implementation to perform
>> stemming. I have done some research and implemented snowball, but
>> however the customers found it too aggressive and eventually I got them
>> to
>> agree to compromise on k-stem algorithm.
>> 
>> Currently my existing code is on Lucene 2.9, which I would like to push
>> to the
>> latest Lucene 4.3. So finally I have decided to build a custom analyzer
>> that
>> implements kstem filter.
>> 
>> /    public class KStemAnalyzer extends Analyzer {
>> 
>>           @Override
>>           public final TokenStream tokenStream(String fieldName, Reader
>> reader) {
>>                TokenStream result = new
>> StandardTokenizer(Version.LUCENE_43,
>> reader);
>>                result = new StandardFilter(Version.LUCENE_43, result);
>>                result = new LowerCaseFilter(Version.LUCENE_43, result);
>>                result = new StopFilter(Version.LUCENE_43, result,
>> StandardAnalyzer.STOP_WORDS_SET);
>>                return new KStemFilter(result);
>>           }
>> 
>>           @Override
>>           protected TokenStreamComponents createComponents(String string,
>> Reader reader) {
>>               throw new UnsupportedOperationException("Not supported
>> yet.");
>>           }
>>     }/
>> 
>> However I get an error /'tokenStream(String,Reader) in KStemAnalyzer
>> cannot override tokenStream(String,Reader) in Analyzer overridden method
>> is final'/. I was looking to find some documentation or example
>> implementations, but all I could find is the api that is not very
>> descriptive.
>> 
>> Any hint on how to initialize this would be highly appreciated.
>> 
>> Thanks.
>> 
>> 
>> 
>> --
>> View this message in context:
>> http://lucene.472066.n3.nabble.com/KStemFilter-tp4070558.html
>> Sent from the Lucene - Java Users mailing list archive at Nabble.com.
>> 
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