Package org.apache.lucene.analysis.el
Class GreekAnalyzer
- 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.el.GreekAnalyzer
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- All Implemented Interfaces:
Closeable,AutoCloseable
public final class GreekAnalyzer extends StopwordAnalyzerBase
Analyzerfor 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
Versiondependent settings asStandardAnalyzer.- Since:
- 3.1
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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
Fields Modifier and Type Field Description static StringDEFAULT_STOPWORD_FILEFile containing default Greek stopwords.-
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 GreekAnalyzer()Builds an analyzer with the default stop words.GreekAnalyzer(CharArraySet stopwords)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)CreatesAnalyzer.TokenStreamComponentsused to tokenize all the text in the providedReader.static CharArraySetgetDefaultStopSet()Returns a set of default Greek-stopwordsprotected TokenStreamnormalize(String fieldName, TokenStream in)-
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, initReader, initReaderForNormalization, normalize, tokenStream, tokenStream
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Field Detail
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DEFAULT_STOPWORD_FILE
public static final String DEFAULT_STOPWORD_FILE
File containing default Greek stopwords.- See Also:
- Constant Field Values
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Constructor Detail
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GreekAnalyzer
public GreekAnalyzer()
Builds an analyzer with the default stop words.
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GreekAnalyzer
public GreekAnalyzer(CharArraySet stopwords)
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 Detail
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getDefaultStopSet
public static final CharArraySet getDefaultStopSet()
Returns a set of default Greek-stopwords- Returns:
- a set of default Greek-stopwords
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createComponents
protected Analyzer.TokenStreamComponents createComponents(String fieldName)
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
protected TokenStream normalize(String fieldName, TokenStream in)
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