Package org.apache.lucene.analysis.ja

Class JapaneseAnalyzer

java.lang.Object

org.apache.lucene.analysis.Analyzer

org.apache.lucene.analysis.StopwordAnalyzerBase

org.apache.lucene.analysis.ja.JapaneseAnalyzer

All Implemented Interfaces:

Closeable, AutoCloseable

public class JapaneseAnalyzer
extends StopwordAnalyzerBase

Analyzer for Japanese that uses morphological analysis.

Since:

3.6.0

See Also:

• JapaneseTokenizer

Nested Class Summary

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

Analyzer.ReuseStrategy, Analyzer.TokenStreamComponents

Field Summary

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

stopwords

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

GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY

Constructor Summary

Constructors

Constructor	Description
JapaneseAnalyzer()
JapaneseAnalyzer(UserDictionary userDict, JapaneseTokenizer.Mode mode, CharArraySet stopwords, Set<String> stoptags)

Method Summary

Modifier and Type	Method	Description
protected Analyzer.TokenStreamComponents	createComponents(String fieldName)
static CharArraySet	getDefaultStopSet()
static Set<String>	getDefaultStopTags()
protected Reader	initReader(String fieldName, Reader reader)
protected Reader	initReaderForNormalization(String fieldName, Reader reader)
protected TokenStream	normalize(String fieldName, TokenStream in)

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

getStopwordSet, loadStopwordSet, loadStopwordSet, loadStopwordSet

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

attributeFactory, close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, normalize, tokenStream, tokenStream

Methods inherited from class java.lang.Object

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

Constructor Details

JapaneseAnalyzer

public JapaneseAnalyzer()

JapaneseAnalyzer

public JapaneseAnalyzer(UserDictionary userDict,
 JapaneseTokenizer.Mode mode,
 CharArraySet stopwords,
 Set<String> stoptags)

Method Details

getDefaultStopSet

public static CharArraySet getDefaultStopSet()

getDefaultStopTags

public static Set<String> getDefaultStopTags()

createComponents

protected Analyzer.TokenStreamComponents createComponents(String fieldName)

Specified by:

createComponents in class Analyzer

normalize

protected TokenStream normalize(String fieldName,
 TokenStream in)

Overrides:

normalize in class Analyzer

initReader

protected Reader initReader(String fieldName,
 Reader reader)

Overrides:

initReader in class Analyzer

initReaderForNormalization

protected Reader initReaderForNormalization(String fieldName,
 Reader reader)

Overrides:

initReaderForNormalization in class Analyzer