org.apache.lucene.search

## Interface BoostAttribute

- All Superinterfaces:
    Attribute
  All Known Implementing Classes:
    BoostAttributeImpl

      public interface BoostAttribute
      extends Attribute

  Add this `Attribute` to a `TermsEnum` returned by `MultiTermQuery.getTermsEnum(Terms,AttributeSource)` and update the boost on each returned term. This enables to control the boost factor for each matching term in `MultiTermQuery.SCORING_BOOLEAN_REWRITE` or `TopTermsRewrite` mode. `FuzzyQuery` is using this to take the edit distance into account.

  Please note: This attribute is intended to be added only by the TermsEnum to itself in its constructor and consumed by the `MultiTermQuery.RewriteMethod`.

  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
    --- | ---
    `float` | `getBoost()` Retrieves the boost, default is `1.0f`.
    `void` | `setBoost(float boost)` Sets the boost in this attribute

- - ### Method Detail

    - #### setBoost

          void setBoost(float boost)

      Sets the boost in this attribute

    - #### getBoost

          float getBoost()

      Retrieves the boost, default is `1.0f`.

Copyright © 2000-2020 Apache Software Foundation. All Rights Reserved.