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 org.apache.lucene.analysis.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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Field Summary
Fields Modifier and Type Field Description static String
DEFAULT_STOPWORD_FILE
File containing default Thai stopwords.
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Constructor Summary
Constructors Constructor Description ThaiAnalyzer(org.apache.lucene.util.Version matchVersion)
Builds an analyzer with the default stop words.ThaiAnalyzer(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 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 Thai stopwords.- See Also:
- Constant Field Values
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Constructor Detail
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ThaiAnalyzer
public ThaiAnalyzer(org.apache.lucene.util.Version matchVersion)
Builds an analyzer with the default stop words.- Parameters:
matchVersion
- lucene compatibility version
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ThaiAnalyzer
public ThaiAnalyzer(org.apache.lucene.util.Version matchVersion, Set<?> stopwords)
Builds an analyzer with the given stop words.- Parameters:
matchVersion
- lucene compatibility versionstopwords
- a stopword set
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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 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 withStandardFilter
,LowerCaseFilter
,ThaiWordFilter
, andStopFilter
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