org.optaplanner.core.impl.score.director.stream

## Class ConstraintStreamScoreDirectorFactory<Solution_>

- java.lang.Object
- - org.optaplanner.core.impl.score.director.AbstractScoreDirectorFactory<Solution_>
  - - org.optaplanner.core.impl.score.director.stream.ConstraintStreamScoreDirectorFactory<Solution_>

- Type Parameters:
    `Solution_` - the solution type, the class with the `PlanningSolution` annotation
  All Implemented Interfaces:
    InnerScoreDirectorFactory<Solution_>, ScoreDirectorFactory<Solution_>

      public class ConstraintStreamScoreDirectorFactory<Solution_>
      extends AbstractScoreDirectorFactory<Solution_>

  FP streams implementation of `ScoreDirectorFactory`.
  See Also:
    `ConstraintStreamScoreDirector`, `ScoreDirectorFactory`

- - ### Field Summary

    - ### Fields inherited from class org.optaplanner.core.impl.score.director.AbstractScoreDirectorFactory

      `assertClonedSolution, assertionScoreDirectorFactory, initializingScoreTrend, logger, solutionDescriptor`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `ConstraintStreamScoreDirectorFactory(SolutionDescriptor<Solution_> solutionDescriptor, ConstraintProvider constraintProvider, ConstraintStreamImplType constraintStreamImplType)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `ConstraintStreamScoreDirector<Solution_>` | `buildScoreDirector(boolean lookUpEnabled, boolean constraintMatchEnabledPreference)` Like `InnerScoreDirectorFactory.buildScoreDirector()`, but optionally disables `ConstraintMatch` tracking and look up for more performance (presuming the `ScoreDirector` implementation actually supports it to begin with).
    `ConstraintSession<Solution_>` | `newConstraintStreamingSession(boolean constraintMatchEnabled, Solution_ workingSolution)`

    - ### Methods inherited from class org.optaplanner.core.impl.score.director.AbstractScoreDirectorFactory

      `assertScoreFromScratch, buildScoreDirector, getAssertionScoreDirectorFactory, getInitializingScoreTrend, getScoreDefinition, getSolutionDescriptor, isAssertClonedSolution, setAssertClonedSolution, setAssertionScoreDirectorFactory, setInitializingScoreTrend`

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

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

- - ### Constructor Detail

    - #### ConstraintStreamScoreDirectorFactory

          public ConstraintStreamScoreDirectorFactory(SolutionDescriptor<Solution_> solutionDescriptor,
                                                      ConstraintProvider constraintProvider,
                                                      ConstraintStreamImplType constraintStreamImplType)

  - ### Method Detail

    - #### buildScoreDirector

          public ConstraintStreamScoreDirector<Solution_> buildScoreDirector(boolean lookUpEnabled,
                                                                             boolean constraintMatchEnabledPreference)

      Description copied from interface: `InnerScoreDirectorFactory`
      Like `InnerScoreDirectorFactory.buildScoreDirector()`, but optionally disables `ConstraintMatch` tracking and look up for more performance (presuming the `ScoreDirector` implementation actually supports it to begin with).
      Parameters:
        `lookUpEnabled` - true if a `ScoreDirector` implementation should track all working objects for `ScoreDirector.lookUpWorkingObject(Object)`
        `constraintMatchEnabledPreference` - false if a `ScoreDirector` implementation should not do `ConstraintMatch` tracking even if it supports it.
      Returns:
        never null
      See Also:
        `ScoreDirector.isConstraintMatchEnabled()`, `ScoreDirector.getConstraintMatchTotalMap()`

    - #### newConstraintStreamingSession

          public ConstraintSession<Solution_> newConstraintStreamingSession(boolean constraintMatchEnabled,
                                                                            Solution_ workingSolution)

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