Package org.apache.lucene.analysis.ga
Class IrishAnalyzer
- 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.ga.IrishAnalyzer
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- All Implemented Interfaces:
Closeable
,AutoCloseable
public final class IrishAnalyzer extends org.apache.lucene.analysis.StopwordAnalyzerBase
Analyzer
for Irish.
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Field Summary
Fields Modifier and Type Field Description static String
DEFAULT_STOPWORD_FILE
File containing default Irish stopwords.
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Constructor Summary
Constructors Constructor Description IrishAnalyzer(org.apache.lucene.util.Version matchVersion)
Builds an analyzer with the default stop words:DEFAULT_STOPWORD_FILE
.IrishAnalyzer(org.apache.lucene.util.Version matchVersion, org.apache.lucene.analysis.CharArraySet stopwords)
Builds an analyzer with the given stop words.IrishAnalyzer(org.apache.lucene.util.Version matchVersion, org.apache.lucene.analysis.CharArraySet stopwords, org.apache.lucene.analysis.CharArraySet stemExclusionSet)
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)
Creates aReusableAnalyzerBase.TokenStreamComponents
which tokenizes all the text in the providedReader
.static org.apache.lucene.analysis.CharArraySet
getDefaultStopSet()
Returns an unmodifiable instance of the default stop words set.-
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 Irish stopwords.- See Also:
- Constant Field Values
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Constructor Detail
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IrishAnalyzer
public IrishAnalyzer(org.apache.lucene.util.Version matchVersion)
Builds an analyzer with the default stop words:DEFAULT_STOPWORD_FILE
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IrishAnalyzer
public IrishAnalyzer(org.apache.lucene.util.Version matchVersion, org.apache.lucene.analysis.CharArraySet stopwords)
Builds an analyzer with the given stop words.- Parameters:
matchVersion
- lucene compatibility versionstopwords
- a stopword set
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IrishAnalyzer
public IrishAnalyzer(org.apache.lucene.util.Version matchVersion, org.apache.lucene.analysis.CharArraySet stopwords, org.apache.lucene.analysis.CharArraySet stemExclusionSet)
Builds an analyzer with the given stop words. If a non-empty stem exclusion set is provided this analyzer will add aKeywordMarkerFilter
before stemming.- Parameters:
matchVersion
- lucene compatibility versionstopwords
- a stopword setstemExclusionSet
- a set of terms not to be stemmed
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Method Detail
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getDefaultStopSet
public static org.apache.lucene.analysis.CharArraySet getDefaultStopSet()
Returns an unmodifiable instance of the default stop words set.- Returns:
- default stop words set.
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createComponents
protected org.apache.lucene.analysis.ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName, Reader reader)
Creates aReusableAnalyzerBase.TokenStreamComponents
which tokenizes all the text in the providedReader
.- Specified by:
createComponents
in classorg.apache.lucene.analysis.ReusableAnalyzerBase
- Returns:
- A
ReusableAnalyzerBase.TokenStreamComponents
built from anStandardTokenizer
filtered withStandardFilter
,IrishLowerCaseFilter
,StopFilter
,KeywordMarkerFilter
if a stem exclusion set is provided andSnowballFilter
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