org.apache.lucene.analysis.snowball
Class SnowballFilter

java.lang.Object
  org.apache.lucene.analysis.TokenStream
      org.apache.lucene.analysis.TokenFilter
          org.apache.lucene.analysis.snowball.SnowballFilter

public class SnowballFilter
extends TokenFilter

A filter that stems words using a Snowball-generated stemmer. Available stemmers are listed in net.sf.snowball.ext. The name of a stemmer is the part of the class name before "Stemmer", e.g., the stemmer in EnglishStemmer is named "English".

Field Summary

Fields inherited from class org.apache.lucene.analysis.TokenFilter

input

Constructor Summary

SnowballFilter(TokenStream in, java.lang.String name)
Construct the named stemming filter.

Method Summary

Token

next() Returns the next input Token, after being stemmed

Methods inherited from class org.apache.lucene.analysis.TokenFilter

close

Methods inherited from class org.apache.lucene.analysis.TokenStream

reset

Methods inherited from class java.lang.Object

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

Constructor Detail

SnowballFilter

public SnowballFilter(TokenStream in,
                      java.lang.String name)

Construct the named stemming filter.

Parameters:

in - the input tokens to stem

name - the name of a stemmer

Method Detail

next

public final Token next()
                 throws java.io.IOException

Returns the next input Token, after being stemmed

Specified by:

next in class TokenStream

Throws:

java.io.IOException