Package org.apache.lucene.analysis.th

Class ThaiAnalyzer

java.lang.Object

org.apache.lucene.analysis.Analyzer

org.apache.lucene.analysis.util.StopwordAnalyzerBase

org.apache.lucene.analysis.th.ThaiAnalyzer

All Implemented Interfaces:

Closeable, AutoCloseable

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:

• As of 3.6, a set of Thai stopwords is used by default

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.analysis.Analyzer

Analyzer.GlobalReuseStrategy, Analyzer.PerFieldReuseStrategy, Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DEFAULT_STOPWORD_FILE	File containing default Thai stopwords.

Fields inherited from class org.apache.lucene.analysis.Analyzer

GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY

Constructor Summary

Constructors

Constructor	Description
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

Modifier and Type	Method	Description
static CharArraySet	getDefaultStopSet()	Returns an unmodifiable instance of the default stop words set.

Methods inherited from class org.apache.lucene.analysis.util.StopwordAnalyzerBase

getStopwordSet

Methods inherited from class org.apache.lucene.analysis.Analyzer

close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, tokenStream, tokenStream

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT_STOPWORD_FILE

public static final String DEFAULT_STOPWORD_FILE

File containing default Thai stopwords.

See Also:

• Constant Field Values

Constructor Details

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 Details

getDefaultStopSet

public static CharArraySet getDefaultStopSet()

Returns an unmodifiable instance of the default stop words set.

Returns:

default stop words set.