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

- Class Summary
  Class | Description
  --- | ---
  DroolsAbstractBiConstraintStream<Solution_,​A,​B> |
  DroolsBiAccumulateFunction<A,​B,​ResultContainer_,​NewA> |
  DroolsBiGroupByAccumulator<A,​B,​NewA,​NewB> |
  DroolsBiToQuadGroupByAccumulator<A,​B,​NewA,​NewB,​NewC,​NewD> |
  DroolsBiToTriGroupByAccumulator<A,​B,​NewA,​NewB,​NewC> |
  DroolsExistsBiConstraintStream<Solution_,​A,​B> |
  DroolsFilterBiConstraintStream<Solution_,​A,​B> |
  DroolsGroupingBiConstraintStream<Solution_,​NewA,​NewB> |
  DroolsJoinBiConstraintStream<Solution_,​A,​B> |