org.apache.lucene.analysis.ja.dict

## Class UnknownDictionary

- java.lang.Object
- - org.apache.lucene.analysis.ja.dict.BinaryDictionary
  - - org.apache.lucene.analysis.ja.dict.UnknownDictionary

- All Implemented Interfaces:
    Dictionary

      public final class UnknownDictionary
      extends BinaryDictionary

  Dictionary for unknown-word handling.

- - ### Field Summary

    - ### Fields inherited from class org.apache.lucene.analysis.ja.dict.BinaryDictionary

      `DICT_FILENAME_SUFFIX, DICT_HEADER, HAS_BASEFORM, HAS_PRONUNCIATION, HAS_READING, POSDICT_FILENAME_SUFFIX, POSDICT_HEADER, TARGETMAP_FILENAME_SUFFIX, TARGETMAP_HEADER, VERSION`

    - ### Fields inherited from interface org.apache.lucene.analysis.ja.dict.Dictionary

      `INTERNAL_SEPARATOR`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `CharacterDefinition` | `getCharacterDefinition()`
    `String` | `getInflectionForm(int wordId)` Get inflection form of tokens
    `String` | `getInflectionType(int wordId)` Get inflection type of tokens
    `static UnknownDictionary` | `getInstance()`
    `String` | `getReading(int wordId, char[] surface, int off, int len)` Get reading of tokens
    `int` | `lookup(char[] text, int offset, int len)`

    - ### Methods inherited from class org.apache.lucene.analysis.ja.dict.BinaryDictionary

      `getBaseForm, getClassResource, getLeftId, getPartOfSpeech, getPronunciation, getResource, getRightId, getWordCost, lookupWordIds`

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

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

- - ### Method Detail

    - #### lookup

          public int lookup(char[] text,
                            int offset,
                            int len)

    - #### getCharacterDefinition

          public CharacterDefinition getCharacterDefinition()

    - #### getReading

          public String getReading(int wordId,
                                   char[] surface,
                                   int off,
                                   int len)

      Description copied from interface: `Dictionary`
      Get reading of tokens
      Specified by:
        `getReading` in interface `Dictionary`
      Overrides:
        `getReading` in class `BinaryDictionary`
      Parameters:
        `wordId` - word ID of token
      Returns:
        Reading of the token

    - #### getInflectionType

          public String getInflectionType(int wordId)

      Description copied from interface: `Dictionary`
      Get inflection type of tokens
      Specified by:
        `getInflectionType` in interface `Dictionary`
      Overrides:
        `getInflectionType` in class `BinaryDictionary`
      Parameters:
        `wordId` - word ID of token
      Returns:
        inflection type, or null

    - #### getInflectionForm

          public String getInflectionForm(int wordId)

      Description copied from interface: `Dictionary`
      Get inflection form of tokens
      Specified by:
        `getInflectionForm` in interface `Dictionary`
      Overrides:
        `getInflectionForm` in class `BinaryDictionary`
      Parameters:
        `wordId` - word ID of token
      Returns:
        inflection form, or null

    - #### getInstance

          public static UnknownDictionary getInstance()

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