Module org.apache.lucene.analysis.common

Package org.apache.lucene.analysis.ngram

Class EdgeNGramTokenizerFactory

java.lang.Object

org.apache.lucene.analysis.AbstractAnalysisFactory

org.apache.lucene.analysis.TokenizerFactory

org.apache.lucene.analysis.ngram.EdgeNGramTokenizerFactory

public class EdgeNGramTokenizerFactory
extends TokenizerFactory

Creates new instances of EdgeNGramTokenizer.

 <fieldType name="text_edgngrm" class="solr.TextField" positionIncrementGap="100">
   <analyzer>
     <tokenizer class="solr.EdgeNGramTokenizerFactory" minGramSize="1" maxGramSize="1"/>
   </analyzer>
 </fieldType>

Since:

3.1

Field Summary

Fields

Modifier and Type	Field	Description
private final int	maxGramSize
private final int	minGramSize
static final String	NAME	SPI name

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

LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion

Constructor Summary

Constructors

Constructor	Description
EdgeNGramTokenizerFactory()	Default ctor for compatibility with SPI
EdgeNGramTokenizerFactory(Map<String,String> args)	Creates a new EdgeNGramTokenizerFactory

Method Summary

Modifier and Type	Method	Description
Tokenizer	create(AttributeFactory factory)	Creates a TokenStream of the specified input using the given AttributeFactory

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

availableTokenizers, create, findSPIName, forName, lookupClass, reloadTokenizers

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

defaultCtorException, 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 Details

NAME

public static final String NAME

SPI name

See Also:

• Constant Field Values

maxGramSize

private final int maxGramSize

minGramSize

private final int minGramSize

Constructor Details

EdgeNGramTokenizerFactory

public EdgeNGramTokenizerFactory(Map<String,String> args)

Creates a new EdgeNGramTokenizerFactory

EdgeNGramTokenizerFactory

public EdgeNGramTokenizerFactory()

Default ctor for compatibility with SPI

Method Details

create

public Tokenizer create(AttributeFactory factory)

Description copied from class: TokenizerFactory

Creates a TokenStream of the specified input using the given AttributeFactory

Specified by:

create in class TokenizerFactory