Package org.apache.lucene.analysis.uk
Class UkrainianMorfologikAnalyzer
- java.lang.Object
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- org.apache.lucene.analysis.Analyzer
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- org.apache.lucene.analysis.StopwordAnalyzerBase
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- org.apache.lucene.analysis.uk.UkrainianMorfologikAnalyzer
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- All Implemented Interfaces:
Closeable,AutoCloseable
public final class UkrainianMorfologikAnalyzer extends StopwordAnalyzerBase
A dictionary-basedAnalyzerfor Ukrainian.- Since:
- 6.2.0
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.lucene.analysis.Analyzer
Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
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Field Summary
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Fields inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
stopwords
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Fields inherited from class org.apache.lucene.analysis.Analyzer
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
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Constructor Summary
Constructors Constructor Description UkrainianMorfologikAnalyzer()Builds an analyzer with the default stop words.UkrainianMorfologikAnalyzer(CharArraySet stopwords)Builds an analyzer with the given stop words.UkrainianMorfologikAnalyzer(CharArraySet stopwords, CharArraySet stemExclusionSet)Builds an analyzer with the given stop words.
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description protected Analyzer.TokenStreamComponentscreateComponents(String fieldName)Creates aAnalyzer.TokenStreamComponentswhich tokenizes all the text in the providedReader.static CharArraySetgetDefaultStopwords()Returns the default stopword set for this analyzerprotected ReaderinitReader(String fieldName, Reader reader)-
Methods inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
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Methods inherited from class org.apache.lucene.analysis.Analyzer
attributeFactory, close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, initReaderForNormalization, normalize, normalize, tokenStream, tokenStream
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Constructor Detail
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UkrainianMorfologikAnalyzer
public UkrainianMorfologikAnalyzer()
Builds an analyzer with the default stop words.
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UkrainianMorfologikAnalyzer
public UkrainianMorfologikAnalyzer(CharArraySet stopwords)
Builds an analyzer with the given stop words.- Parameters:
stopwords- a stopword set
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UkrainianMorfologikAnalyzer
public UkrainianMorfologikAnalyzer(CharArraySet stopwords, CharArraySet stemExclusionSet)
Builds an analyzer with the given stop words. If a non-empty stem exclusion set is provided this analyzer will add aSetKeywordMarkerFilterbefore stemming.- Parameters:
stopwords- a stopword setstemExclusionSet- a set of terms not to be stemmed
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Method Detail
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getDefaultStopwords
public static CharArraySet getDefaultStopwords()
Returns the default stopword set for this analyzer
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initReader
protected Reader initReader(String fieldName, Reader reader)
- Overrides:
initReaderin classAnalyzer
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createComponents
protected Analyzer.TokenStreamComponents createComponents(String fieldName)
Creates aAnalyzer.TokenStreamComponentswhich tokenizes all the text in the providedReader.- Specified by:
createComponentsin classAnalyzer- Returns:
- A
Analyzer.TokenStreamComponentsbuilt from anStandardTokenizerfiltered withLowerCaseFilter,StopFilter,SetKeywordMarkerFilterif a stem exclusion set is provided andMorfologikFilteron the Ukrainian dictionary.
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