# Package org.optaplanner.core.api.score.holder

In Drools DRL, a `ScoreHolder` keeps track of the `Score`.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  ScoreHolder<Score_ extends Score<Score_>> | This class is injected as a global by `DroolsScoreDirector` into the Drools DRL.

- Class Summary
  Class | Description
  --- | ---
  AbstractScoreHolder<Score_ extends Score<Score_>> | Abstract superclass for `ScoreHolder`.

## Package org.optaplanner.core.api.score.holder Description

In Drools DRL, a `ScoreHolder` keeps track of the `Score`.

Only used by Drools `Score` calculation.

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