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.ReusableAnalyzerBase
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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 org.apache.lucene.analysis.StopwordAnalyzerBase
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.
You must specify the required
Version
compatibility when creating GreekAnalyzer:- As of 3.1, StandardFilter and GreekStemmer are used by default.
- As of 2.9, StopFilter preserves position increments
NOTE: This class uses the same
Version
dependent settings asStandardAnalyzer
.
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Field Summary
Fields Modifier and Type Field Description static String
DEFAULT_STOPWORD_FILE
File containing default Greek stopwords.
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Constructor Summary
Constructors Constructor Description GreekAnalyzer(org.apache.lucene.util.Version matchVersion)
Builds an analyzer with the default stop words.GreekAnalyzer(org.apache.lucene.util.Version matchVersion, String... stopwords)
Deprecated.useGreekAnalyzer(Version, Set)
insteadGreekAnalyzer(org.apache.lucene.util.Version matchVersion, Map<?,?> stopwords)
Deprecated.useGreekAnalyzer(Version, Set)
insteadGreekAnalyzer(org.apache.lucene.util.Version matchVersion, Set<?> 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 org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents
createComponents(String fieldName, Reader reader)
CreatesReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the providedReader
.static Set<?>
getDefaultStopSet()
Returns a set of default Greek-stopwords-
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.ReusableAnalyzerBase
initReader, reusableTokenStream, 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(org.apache.lucene.util.Version matchVersion)
Builds an analyzer with the default stop words.- Parameters:
matchVersion
- Lucene compatibility version, See above
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GreekAnalyzer
public GreekAnalyzer(org.apache.lucene.util.Version matchVersion, Set<?> stopwords)
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:
matchVersion
- Lucene compatibility version, See abovestopwords
- a stopword set
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GreekAnalyzer
@Deprecated public GreekAnalyzer(org.apache.lucene.util.Version matchVersion, String... stopwords)
Deprecated.useGreekAnalyzer(Version, Set)
insteadBuilds an analyzer with the given stop words.- Parameters:
stopwords
- Array of stopwords to use.
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GreekAnalyzer
@Deprecated public GreekAnalyzer(org.apache.lucene.util.Version matchVersion, Map<?,?> stopwords)
Deprecated.useGreekAnalyzer(Version, Set)
insteadBuilds an analyzer with the given stop words.
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Method Detail
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getDefaultStopSet
public static final Set<?> getDefaultStopSet()
Returns a set of default Greek-stopwords- Returns:
- a set of default Greek-stopwords
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createComponents
protected org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName, Reader reader)
CreatesReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the providedReader
.- Specified by:
createComponents
in classorg.apache.lucene.analysis.ReusableAnalyzerBase
- Returns:
ReusableAnalyzerBase.TokenStreamComponents
built from aStandardTokenizer
filtered withGreekLowerCaseFilter
,StandardFilter
,StopFilter
, andGreekStemFilter
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