Package org.apache.lucene.analysis.el
Class GreekAnalyzer
java.lang.Object
org.apache.lucene.analysis.Analyzer
org.apache.lucene.analysis.StopwordAnalyzerBase
org.apache.lucene.analysis.el.GreekAnalyzer
- All Implemented Interfaces:
Closeable,AutoCloseable
Analyzer for the Greek language.
Supports an external list of stopwords (words that will not be indexed at all). A default set of stopwords is used unless an alternative list is specified.
NOTE: This class uses the same Version dependent
settings as StandardAnalyzer.
- Since:
- 3.1
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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.GreekAnalyzer(CharArraySet stopwords) 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 final CharArraySetReturns a set of default Greek-stopwordsprotected 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 Greek stopwords.- See Also:
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Constructor Details
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GreekAnalyzer
public GreekAnalyzer()Builds an analyzer with the default stop words. -
GreekAnalyzer
Builds an analyzer with the given stop words.NOTE: The stopwords set should be pre-processed with the logic of
GreekLowerCaseFilterfor best results.- Parameters:
stopwords- a stopword set
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Method Details
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getDefaultStopSet
Returns a set of default Greek-stopwords- Returns:
- a set of default Greek-stopwords
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createComponents
CreatesAnalyzer.TokenStreamComponentsused to tokenize all the text in the providedReader.- Specified by:
createComponentsin classAnalyzer- Returns:
Analyzer.TokenStreamComponentsbuilt from aStandardTokenizerfiltered withGreekLowerCaseFilter,StopFilter, andGreekStemFilter
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normalize
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