Package org.apache.lucene.analysis.ngram
Class NGramFilterFactory
java.lang.Object
org.apache.lucene.analysis.AbstractAnalysisFactory
org.apache.lucene.analysis.TokenFilterFactory
org.apache.lucene.analysis.ngram.NGramFilterFactory
Factory for
NGramTokenFilter
.
<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
FieldsModifier and TypeFieldDescriptionprivate final int
private final int
static final String
SPI nameprivate final boolean
Fields inherited from class org.apache.lucene.analysis.AbstractAnalysisFactory
LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion
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Constructor Summary
ConstructorsConstructorDescriptionDefault ctor for compatibility with SPINGramFilterFactory
(Map<String, String> args) Creates a new NGramFilterFactory -
Method Summary
Modifier and TypeMethodDescriptioncreate
(TokenStream input) Transform the specified input TokenStreamMethods inherited from class org.apache.lucene.analysis.TokenFilterFactory
availableTokenFilters, findSPIName, forName, lookupClass, normalize, reloadTokenFilters
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 Details
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NAME
SPI name- See Also:
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maxGramSize
private final int maxGramSize -
minGramSize
private final int minGramSize -
preserveOriginal
private final boolean preserveOriginal
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Constructor Details
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NGramFilterFactory
Creates a new NGramFilterFactory -
NGramFilterFactory
public NGramFilterFactory()Default ctor for compatibility with SPI
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Method Details
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create
Description copied from class:TokenFilterFactory
Transform the specified input TokenStream- Specified by:
create
in classTokenFilterFactory
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