# Package org.optaplanner.core.impl.score.director.drools

- Class Summary
  Class | Description
  --- | ---
  DroolsScoreDirector<Solution_> | Drools implementation of `ScoreDirector`, which directs the Rule Engine to calculate the `Score` of the `working solution`.
  DroolsScoreDirectorFactory<Solution_> | Drools implementation of `ScoreDirectorFactory`.
  LegacyDroolsScoreDirectorFactory<Solution_> |
  OptaPlannerRuleEventListener |

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