org.apache.solr.analysis
Class KeepWordFilter

java.lang.Object
  org.apache.lucene.analysis.TokenStream
      org.apache.lucene.analysis.TokenFilter
          org.apache.solr.analysis.KeepWordFilter

public final class KeepWordFilter
extends org.apache.lucene.analysis.TokenFilter

A TokenFilter that only keeps tokens with text contained in the required words. This filter behaves like the inverse of StopFilter.

Since:

solr 1.3

Version:

$Id: KeepWordFilter.java 643465 2008-04-01 16:10:19Z gsingers $

Field Summary

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

input

Constructor Summary

KeepWordFilter(org.apache.lucene.analysis.TokenStream in, Set<String> words, boolean ignoreCase)

Method Summary

org.apache.lucene.analysis.Token

next(org.apache.lucene.analysis.Token in)

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

close, reset

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

next

Methods inherited from class java.lang.Object

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

Constructor Detail

KeepWordFilter

public KeepWordFilter(org.apache.lucene.analysis.TokenStream in,
                      Set<String> words,
                      boolean ignoreCase)

Method Detail

next

public final org.apache.lucene.analysis.Token next(org.apache.lucene.analysis.Token in)
                                            throws IOException

Overrides:

next in class org.apache.lucene.analysis.TokenStream

Throws:

IOException