org.apache.lucene.analysis.ngram

Class EdgeNGramFilterFactory

java.lang.Object

org.apache.lucene.analysis.util.AbstractAnalysisFactory

org.apache.lucene.analysis.util.TokenFilterFactory

org.apache.lucene.analysis.ngram.EdgeNGramFilterFactory

public class EdgeNGramFilterFactory
extends TokenFilterFactory

Creates new instances of EdgeNGramTokenFilter.

 <fieldType name="text_edgngrm" class="solr.TextField" positionIncrementGap="100">
   <analyzer>
     <tokenizer class="solr.WhitespaceTokenizerFactory"/>
     <filter class="solr.EdgeNGramFilterFactory" minGramSize="1" maxGramSize="2" preserveOriginal="true"/>
   </analyzer>
 </fieldType>

Since:

3.1

SPI Name (Note: This is case-insensitive. e.g., if the name is 'htmlStrip', 'htmlstrip' can be used when looking up the service):

"edgeNGram"

Field Summary

Fields

Modifier and Type	Field and Description
static String	NAME SPI name

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

LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion

Constructor Summary

Constructors

Constructor and Description
EdgeNGramFilterFactory(Map<String,String> args) Creates a new EdgeNGramFilterFactory

Method Summary

Modifier and Type	Method and Description
TokenFilter	create(TokenStream input) Transform the specified input TokenStream

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

availableTokenFilters, findSPIName, forName, lookupClass, normalize, reloadTokenFilters

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

get, get, get, get, get, getBoolean, getChar, getClassArg, getFloat, getInt, getLines, getLuceneMatchVersion, getOriginalArgs, getPattern, getSet, getSnowballWordSet, getWordSet, isExplicitLuceneMatchVersion, require, require, require, requireBoolean, requireChar, requireFloat, requireInt, setExplicitLuceneMatchVersion, splitAt, splitFileNames

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

SPI name

See Also:

Constant Field Values

Constructor Detail

EdgeNGramFilterFactory

public EdgeNGramFilterFactory(Map<String,String> args)

Creates a new EdgeNGramFilterFactory

Method Detail

create

public TokenFilter create(TokenStream input)

Description copied from class: TokenFilterFactory

Transform the specified input TokenStream

Specified by:

create in class TokenFilterFactory