Package org.apache.lucene.analysis.th
Class ThaiAnalyzer
- 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.th.ThaiAnalyzer
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- All Implemented Interfaces:
Closeable
,AutoCloseable
public final class ThaiAnalyzer extends StopwordAnalyzerBase
Analyzer
for Thai language. It usesBreakIterator
to break words.You must specify the required
Version
compatibility when creating ThaiAnalyzer:- As of 3.6, a set of Thai stopwords is used by default
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Nested Class Summary
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Nested classes/interfaces inherited from class org.apache.lucene.analysis.ReusableAnalyzerBase
ReusableAnalyzerBase.TokenStreamComponents
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Field Summary
Fields Modifier and Type Field Description static String
DEFAULT_STOPWORD_FILE
File containing default Thai stopwords.-
Fields inherited from class org.apache.lucene.analysis.StopwordAnalyzerBase
matchVersion, stopwords
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Constructor Summary
Constructors Constructor Description ThaiAnalyzer(Version matchVersion)
Builds an analyzer with the default stop words.ThaiAnalyzer(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 ReusableAnalyzerBase.TokenStreamComponents
createComponents(String fieldName, Reader reader)
CreatesReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the providedReader
.static Set<?>
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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Methods inherited from class org.apache.lucene.analysis.Analyzer
close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setPreviousTokenStream
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Field Detail
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DEFAULT_STOPWORD_FILE
public static final String DEFAULT_STOPWORD_FILE
File containing default Thai stopwords.- See Also:
- Constant Field Values
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Constructor Detail
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ThaiAnalyzer
public ThaiAnalyzer(Version matchVersion)
Builds an analyzer with the default stop words.- Parameters:
matchVersion
- lucene compatibility version
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Method Detail
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getDefaultStopSet
public static Set<?> getDefaultStopSet()
Returns an unmodifiable instance of the default stop words set.- Returns:
- default stop words set.
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createComponents
protected ReusableAnalyzerBase.TokenStreamComponents createComponents(String fieldName, Reader reader)
CreatesReusableAnalyzerBase.TokenStreamComponents
used to tokenize all the text in the providedReader
.- Specified by:
createComponents
in classReusableAnalyzerBase
- Parameters:
fieldName
- the name of the fields content passed to theReusableAnalyzerBase.TokenStreamComponents
sink as a readerreader
- the reader passed to theTokenizer
constructor- Returns:
ReusableAnalyzerBase.TokenStreamComponents
built from aStandardTokenizer
filtered withStandardFilter
,LowerCaseFilter
,ThaiWordFilter
, andStopFilter
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