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`

### 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`