Package org.apache.lucene.analysis.ko

# Class KoreanAnalyzer

java.lang.Object
org.apache.lucene.analysis.Analyzer
org.apache.lucene.analysis.ko.KoreanAnalyzer

All Implemented Interfaces:
  `Closeable`, `AutoCloseable`

public class KoreanAnalyzer extends Analyzer
Analyzer for Korean that uses morphological analysis.

Since:
  7.4.0
See Also:
  - `KoreanTokenizer`
WARNING: This API is experimental and might change in incompatible ways in the next release.

## 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.Analyzer

`GLOBAL_REUSE_STRATEGY, PER_FIELD_REUSE_STRATEGY`

## Constructor Summary

Constructors
Constructor
Description
`KoreanAnalyzer()`
Creates a new KoreanAnalyzer.
`KoreanAnalyzer(UserDictionary userDict, KoreanTokenizer.DecompoundMode mode, Set<POS.Tag> stopTags, boolean outputUnknownUnigrams)`
Creates a new KoreanAnalyzer.

## Method Summary

Modifier and Type
Method
Description
`protected Analyzer.TokenStreamComponents`
`createComponents(String fieldName)`
`protected TokenStream`
`normalize(String fieldName, TokenStream in)`

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

`attributeFactory, close, getOffsetGap, getPositionIncrementGap, getReuseStrategy, initReader, initReaderForNormalization, normalize, tokenStream, tokenStream`

### Methods inherited from class java.lang.Object

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

## Constructor Details

### KoreanAnalyzer

public KoreanAnalyzer()
Creates a new KoreanAnalyzer.

### KoreanAnalyzer

public KoreanAnalyzer(UserDictionary userDict, KoreanTokenizer.DecompoundMode mode, Set<POS.Tag> stopTags, boolean outputUnknownUnigrams)
Creates a new KoreanAnalyzer.

Parameters:
  `userDict` - Optional: if non-null, user dictionary.
  `mode` - Decompound mode.
  `stopTags` - The set of part of speech that should be filtered.
  `outputUnknownUnigrams` - If true outputs unigrams for unknown words.

## Method Details

### 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`