# Hierarchy For Package org.optaplanner.core.impl.score.stream.drools.quad

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.optaplanner.core.impl.score.stream.common.AbstractConstraintStream<Solution_> (implements org.optaplanner.core.api.score.stream.ConstraintStream)
    - org.optaplanner.core.impl.score.stream.drools.common.DroolsAbstractConstraintStream<Solution_>
      - org.optaplanner.core.impl.score.stream.drools.quad.DroolsAbstractQuadConstraintStream<Solution_,A,B,C,D> (implements org.optaplanner.core.impl.score.stream.quad.InnerQuadConstraintStream<A,B,C,D>)
        - org.optaplanner.core.impl.score.stream.drools.quad.DroolsExistsQuadConstraintStream<Solution_,A,B,C,D>
        - org.optaplanner.core.impl.score.stream.drools.quad.DroolsFilterQuadConstraintStream<Solution_,A,B,C,D>
        - org.optaplanner.core.impl.score.stream.drools.quad.DroolsGroupingQuadConstraintStream<Solution_,NewA,NewB,NewC,NewD>
        - org.optaplanner.core.impl.score.stream.drools.quad.DroolsJoinQuadConstraintStream<Solution_,A,B,C,D>
        - org.optaplanner.core.impl.score.stream.drools.quad.DroolsScoringQuadConstraintStream<Solution_,A,B,C,D>
  - org.optaplanner.core.impl.score.stream.drools.common.DroolsAbstractGroupByInvoker<InTuple> (implements org.drools.core.spi.Accumulator)
    - org.optaplanner.core.impl.score.stream.drools.quad.DroolsQuadGroupByInvoker<A,B,C,D,NewA,NewB,NewC,NewD>
    - org.optaplanner.core.impl.score.stream.drools.quad.DroolsQuadToBiGroupByInvoker<A,B,C,D,NewA,NewB>
    - org.optaplanner.core.impl.score.stream.drools.quad.DroolsQuadToTriGroupByInvoker<A,B,C,D,NewA,NewB,NewC>
  - org.optaplanner.core.impl.score.stream.drools.common.DroolsCondition<PatternVar,T>
    - org.optaplanner.core.impl.score.stream.drools.quad.DroolsQuadCondition<A,B,C,D,PatternVar>
  - org.optaplanner.core.impl.score.stream.drools.common.DroolsRuleStructure<PatternVar>
    - org.optaplanner.core.impl.score.stream.drools.quad.DroolsQuadRuleStructure<A,B,C,D,PatternVar>

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