# Package org.optaplanner.core.impl.score.stream.drools.tri

- Class Summary
  Class | Description
  --- | ---
  DroolsAbstractTriConstraintStream<Solution_,​A,​B,​C> |
  DroolsExistsTriConstraintStream<Solution_,​A,​B,​C> |
  DroolsFilterTriConstraintStream<Solution_,​A,​B,​C> |
  DroolsGroupingTriConstraintStream<Solution_,​NewA,​NewB,​NewC> |
  DroolsJoinTriConstraintStream<Solution_,​A,​B,​C> |
  DroolsTriAccumulateFunction<A,​B,​C,​ResultContainer_,​NewA> |
  DroolsTriGroupByAccumulator<A,​B,​C,​NewA,​NewB,​NewC> |
  DroolsTriToBiGroupByAccumulator<A,​B,​C,​NewA,​NewB> |
  DroolsTriToQuadGroupByAccumulator<A,​B,​C,​NewA,​NewB,​NewC,​NewD> |