org.apache.lucene.analysis.th
Class ThaiAnalyzer

java.lang.Object
  extended by org.apache.lucene.analysis.Analyzer
      extended by org.apache.lucene.analysis.util.StopwordAnalyzerBase
          extended by org.apache.lucene.analysis.th.ThaiAnalyzer
All Implemented Interfaces:
Closeable

public final class ThaiAnalyzer
extends StopwordAnalyzerBase

Analyzer for Thai language. It uses BreakIterator to break words.

You must specify the required Version compatibility when creating ThaiAnalyzer:


Nested Class Summary
 
Nested classes/interfaces inherited from class org.apache.lucene.analysis.Analyzer
Analyzer.GlobalReuseStrategy, Analyzer.PerFieldReuseStrategy, Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents
 
Field Summary
static String DEFAULT_STOPWORD_FILE
          File containing default Thai stopwords.
 
Fields inherited from class org.apache.lucene.analysis.util.StopwordAnalyzerBase
matchVersion, stopwords
 
Fields inherited from class org.apache.lucene.analysis.Analyzer
GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY
 
Constructor Summary
ThaiAnalyzer(Version matchVersion)
          Builds an analyzer with the default stop words.
ThaiAnalyzer(Version matchVersion, CharArraySet stopwords)
          Builds an analyzer with the given stop words.
 
Method Summary
protected  Analyzer.TokenStreamComponents createComponents(String fieldName, Reader reader)
          Creates Analyzer.TokenStreamComponents used to tokenize all the text in the provided Reader.
static CharArraySet getDefaultStopSet()
          Returns an unmodifiable instance of the default stop words set.
 
Methods inherited from class org.apache.lucene.analysis.util.StopwordAnalyzerBase
getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet
 
Methods inherited from class org.apache.lucene.analysis.Analyzer
close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, initReader, tokenStream, tokenStream
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

DEFAULT_STOPWORD_FILE

public static final String DEFAULT_STOPWORD_FILE
File containing default Thai stopwords.

See Also:
Constant Field Values
Constructor Detail

ThaiAnalyzer

public ThaiAnalyzer(Version matchVersion)
Builds an analyzer with the default stop words.

Parameters:
matchVersion - lucene compatibility version

ThaiAnalyzer

public ThaiAnalyzer(Version matchVersion,
                    CharArraySet stopwords)
Builds an analyzer with the given stop words.

Parameters:
matchVersion - lucene compatibility version
stopwords - a stopword set
Method Detail

getDefaultStopSet

public static CharArraySet getDefaultStopSet()
Returns an unmodifiable instance of the default stop words set.

Returns:
default stop words set.

createComponents

protected Analyzer.TokenStreamComponents createComponents(String fieldName,
                                                          Reader reader)
Creates Analyzer.TokenStreamComponents used to tokenize all the text in the provided Reader.

Specified by:
createComponents in class Analyzer
Returns:
Analyzer.TokenStreamComponents built from a StandardTokenizer filtered with StandardFilter, LowerCaseFilter, ThaiWordFilter, and StopFilter


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