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
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Field Summary
Fields inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
stopwords
Fields inherited from class org.apache.lucene.analysis.Analyzer
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
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Constructor Summary
ConstructorDescriptionBuilds an analyzer with the default stop words.GreekAnalyzer
(CharArraySet stopwords) Builds an analyzer with the given stop words. -
Method Summary
Modifier and TypeMethodDescriptionprotected Analyzer.TokenStreamComponents
createComponents
(String fieldName) CreatesAnalyzer.TokenStreamComponents
used to tokenize all the text in the providedReader
.static final CharArraySet
Returns a set of default Greek-stopwordsprotected TokenStream
normalize
(String fieldName, TokenStream in) Methods inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
Methods 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
-
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
GreekLowerCaseFilter
for 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
-
createComponents
CreatesAnalyzer.TokenStreamComponents
used to tokenize all the text in the providedReader
.- Specified by:
createComponents
in classAnalyzer
- Returns:
Analyzer.TokenStreamComponents
built from aStandardTokenizer
filtered withGreekLowerCaseFilter
,StopFilter
, andGreekStemFilter
-
normalize
-