Package org.apache.lucene.analysis.ngram
Class NGramFilterFactory
- java.lang.Object
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- org.apache.lucene.analysis.AbstractAnalysisFactory
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- org.apache.lucene.analysis.TokenFilterFactory
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- org.apache.lucene.analysis.ngram.NGramFilterFactory
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public class NGramFilterFactory extends TokenFilterFactory
Factory forNGramTokenFilter
.<fieldType name="text_ngrm" class="solr.TextField" positionIncrementGap="100"> <analyzer> <tokenizer class="solr.WhitespaceTokenizerFactory"/> <filter class="solr.NGramFilterFactory" minGramSize="1" maxGramSize="2" preserveOriginal="true"/> </analyzer> </fieldType>
- Since:
- 3.1
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Field Summary
Fields Modifier and Type Field Description private int
maxGramSize
private int
minGramSize
static java.lang.String
NAME
SPI nameprivate boolean
preserveOriginal
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Fields inherited from class org.apache.lucene.analysis.AbstractAnalysisFactory
LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion
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Constructor Summary
Constructors Constructor Description NGramFilterFactory()
Default ctor for compatibility with SPINGramFilterFactory(java.util.Map<java.lang.String,java.lang.String> args)
Creates a new NGramFilterFactory
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description TokenFilter
create(TokenStream input)
Transform the specified input TokenStream-
Methods inherited from class org.apache.lucene.analysis.TokenFilterFactory
availableTokenFilters, findSPIName, forName, lookupClass, normalize, reloadTokenFilters
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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
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Field Detail
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NAME
public static final java.lang.String NAME
SPI name- See Also:
- Constant Field Values
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maxGramSize
private final int maxGramSize
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minGramSize
private final int minGramSize
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preserveOriginal
private final boolean preserveOriginal
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Method Detail
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create
public TokenFilter create(TokenStream input)
Description copied from class:TokenFilterFactory
Transform the specified input TokenStream- Specified by:
create
in classTokenFilterFactory
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