org.apache.lucene.analysis.miscellaneous

## Class StemmerOverrideFilter.StemmerOverrideMap

- java.lang.Object
- - org.apache.lucene.analysis.miscellaneous.StemmerOverrideFilter.StemmerOverrideMap

- Enclosing class:
    StemmerOverrideFilter

      public static final class StemmerOverrideFilter.StemmerOverrideMap
      extends Object

  A read-only 4-byte FST backed map that allows fast case-insensitive key value lookups for `StemmerOverrideFilter`

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `StemmerOverrideMap(FST<BytesRef> fst, boolean ignoreCase)` Creates a new `StemmerOverrideFilter.StemmerOverrideMap`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `BytesRef` | `get(char[] buffer, int bufferLen, FST.Arc<BytesRef> scratchArc, FST.BytesReader fstReader)` Returns the value mapped to the given key or `null` if the key is not in the FST dictionary.
    `FST.BytesReader` | `getBytesReader()` Returns a `FST.BytesReader` to pass to the `get(char[], int, FST.Arc, FST.BytesReader)` method.

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

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

- - ### Constructor Detail

    - #### StemmerOverrideMap

          public StemmerOverrideMap(FST<BytesRef> fst,
                                    boolean ignoreCase)

      Creates a new `StemmerOverrideFilter.StemmerOverrideMap`
      Parameters:
        `fst` - the fst to lookup the overrides
        `ignoreCase` - if the keys case should be ingored

  - ### Method Detail

    - #### getBytesReader

          public FST.BytesReader getBytesReader()

      Returns a `FST.BytesReader` to pass to the `get(char[], int, FST.Arc, FST.BytesReader)` method.

    - #### get

          public BytesRef get(char[] buffer,
                              int bufferLen,
                              FST.Arc<BytesRef> scratchArc,
                              FST.BytesReader fstReader)
                       throws IOException

      Returns the value mapped to the given key or `null` if the key is not in the FST dictionary.
      Throws:
        `IOException`

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