org.apache.lucene.analysis.position
Class PositionFilterFactory

java.lang.Object
  org.apache.lucene.analysis.util.AbstractAnalysisFactory
      org.apache.lucene.analysis.util.TokenFilterFactory
          org.apache.lucene.analysis.position.PositionFilterFactory

public class PositionFilterFactory
extends TokenFilterFactory

Factory for PositionFilter. Set the positionIncrement of all tokens to the "positionIncrement", except the first return token which retains its original positionIncrement value. The default positionIncrement value is zero.

 <fieldType name="text_position" class="solr.TextField" positionIncrementGap="100">
   <analyzer>
     <tokenizer class="solr.WhitespaceTokenizerFactory"/>
     <filter class="solr.PositionFilterFactory" positionIncrement="0"/>
   </analyzer>
 </fieldType>

Since:

solr 1.4

See Also:

PositionFilter

Field Summary

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

args, luceneMatchVersion

Constructor Summary

PositionFilterFactory()

Method Summary

PositionFilter	create(TokenStream input) Transform the specified input TokenStream
void	init(Map<String,String> args) Initialize this factory via a set of key-value pairs.

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

availableTokenFilters, forName, lookupClass, reloadTokenFilters

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

PositionFilterFactory

public PositionFilterFactory()

Method Detail

init

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

Description copied from class: AbstractAnalysisFactory

Initialize this factory via a set of key-value pairs.

Overrides:

init in class AbstractAnalysisFactory

create

public PositionFilter create(TokenStream input)

Description copied from class: TokenFilterFactory

Transform the specified input TokenStream

Specified by:

create in class TokenFilterFactory