org.apache.solr.analysis
Class SnowballPorterFilterFactory

java.lang.Object
  org.apache.lucene.analysis.util.AbstractAnalysisFactory
      org.apache.lucene.analysis.util.TokenFilterFactory
          org.apache.solr.analysis.SnowballPorterFilterFactory

All Implemented Interfaces:

ResourceLoaderAware

public class SnowballPorterFilterFactory
extends TokenFilterFactory
implements ResourceLoaderAware

Factory for SnowballFilter, with configurable language

Note: Use of the "Lovins" stemmer is not recommended, as it is implemented with reflection.

 <fieldType name="text_snowballstem" class="solr.TextField" positionIncrementGap="100">
   <analyzer>
     <tokenizer class="solr.StandardTokenizerFactory"/>
     <filter class="solr.LowerCaseFilterFactory"/>
     <filter class="solr.SnowballPorterFilterFactory" protected="protectedkeyword.txt" language="English"/>
   </analyzer>
 </fieldType>

Field Summary

static String

PROTECTED_TOKENS

Fields inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory

args, luceneMatchVersion

Constructor Summary

SnowballPorterFilterFactory()

Method Summary

TokenFilter	create(TokenStream input)
void	inform(ResourceLoader loader)
void	init(Map<String,String> args)

Methods inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory

assureMatchVersion, getArgs, getBoolean, getBoolean, getInt, getInt, getInt, getLuceneMatchVersion, getPattern, getSnowballWordSet, getWordSet, setLuceneMatchVersion, splitFileNames

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PROTECTED_TOKENS

public static final String PROTECTED_TOKENS

See Also:

Constant Field Values

Constructor Detail

SnowballPorterFilterFactory

public SnowballPorterFilterFactory()

Method Detail

inform

public void inform(ResourceLoader loader)

Specified by:

inform in interface ResourceLoaderAware

init

public void init(Map<String,String> args)

Overrides:

init in class AbstractAnalysisFactory

create

public TokenFilter create(TokenStream input)

Specified by:

create in class TokenFilterFactory