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

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and 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, getVersion, initReader, initReaderForNormalization, normalize, setVersion, tokenStream, tokenStream`

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

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

- - ### Constructor Detail

    - #### 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 Detail

    - #### 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`

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