org.apache.lucene.search.suggest.fst

## Interface BytesRefSorter

- All Known Implementing Classes:
    ExternalRefSorter, InMemorySorter

      public interface BytesRefSorter

  Collects `BytesRef` and then allows one to iterate over their sorted order. Implementations of this interface will be called in a single-threaded scenario.
  WARNING: This API is experimental and might change in incompatible ways in the next release.
  NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `add(BytesRef utf8)` Adds a single suggestion entry (possibly compound with its bucket).
    `Comparator<BytesRef>` | `getComparator()` Comparator used to determine the sort order of entries.
    `BytesRefIterator` | `iterator()` Sorts the entries added in `add(BytesRef)` and returns an iterator over all sorted entries.

- - ### Method Detail

    - #### add

          void add(BytesRef utf8)
            throws IOException,
                   IllegalStateException

      Adds a single suggestion entry (possibly compound with its bucket).
      Throws:
        `IOException` - If an I/O exception occurs.
        `IllegalStateException` - If an addition attempt is performed after a call to `iterator()` has been made.

    - #### iterator

          BytesRefIterator iterator()
                             throws IOException

      Sorts the entries added in `add(BytesRef)` and returns an iterator over all sorted entries.
      Throws:
        `IOException` - If an I/O exception occurs.

    - #### getComparator

          Comparator<BytesRef> getComparator()

      Comparator used to determine the sort order of entries.

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