Package org.apache.lucene.analysis.ne
Class NepaliAnalyzer
java.lang.Object
org.apache.lucene.analysis.Analyzer
org.apache.lucene.analysis.StopwordAnalyzerBase
org.apache.lucene.analysis.ne.NepaliAnalyzer
- All Implemented Interfaces:
Closeable,AutoCloseable
Analyzer for Nepali.
- Since:
- 9.0
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Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.analysis.Analyzer
Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents -
Field Summary
FieldsFields inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
stopwordsFields inherited from class org.apache.lucene.analysis.Analyzer
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY -
Constructor Summary
ConstructorsConstructorDescriptionBuilds an analyzer with the default stop words:DEFAULT_STOPWORD_FILE.NepaliAnalyzer(CharArraySet stopwords) Builds an analyzer with the given stop wordsNepaliAnalyzer(CharArraySet stopwords, CharArraySet stemExclusionSet) Builds an analyzer with the given stop words -
Method Summary
Modifier and TypeMethodDescriptionprotected Analyzer.TokenStreamComponentscreateComponents(String fieldName) CreatesAnalyzer.TokenStreamComponentsused to tokenize all the text in the providedReader.static CharArraySetReturns an unmodifiable instance of the default stop-words set.protected TokenStreamnormalize(String fieldName, TokenStream in) Methods inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
getStopwordSet, loadStopwordSet, loadStopwordSetMethods inherited from class org.apache.lucene.analysis.Analyzer
attributeFactory, close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, initReader, initReaderForNormalization, normalize, tokenStream, tokenStream
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Field Details
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DEFAULT_STOPWORD_FILE
File containing default Nepali stopwords.Default stopword list is from the Apache2 python project NLTK: https://github.com/nltk/nltk_data
- See Also:
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Constructor Details
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NepaliAnalyzer
Builds an analyzer with the given stop words- Parameters:
stopwords- a stopword setstemExclusionSet- a stemming exclusion set
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NepaliAnalyzer
Builds an analyzer with the given stop words- Parameters:
stopwords- a stopword set
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NepaliAnalyzer
public NepaliAnalyzer()Builds an analyzer with the default stop words:DEFAULT_STOPWORD_FILE.
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Method Details
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getDefaultStopSet
Returns an unmodifiable instance of the default stop-words set.- Returns:
- an unmodifiable instance of the default stop-words set.
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createComponents
CreatesAnalyzer.TokenStreamComponentsused to tokenize all the text in the providedReader.- Specified by:
createComponentsin classAnalyzer- Returns:
Analyzer.TokenStreamComponentsbuilt from aStandardTokenizerfiltered withLowerCaseFilter,DecimalDigitFilter,IndicNormalizationFilter,SetKeywordMarkerFilterif a stem exclusion set is provided,SnowballFilter, and Nepali Stop words
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normalize
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