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

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.optaplanner.core.impl.score.stream.common.AbstractJoiner
    - org.optaplanner.core.impl.score.stream.quad.AbstractQuadJoiner<A,B,C,D> (implements org.optaplanner.core.api.score.stream.quad.QuadJoiner<A,B,C,D>)
      - org.optaplanner.core.impl.score.stream.quad.CompositeQuadJoiner<A,B,C,D>
      - org.optaplanner.core.impl.score.stream.quad.NoneQuadJoiner<A,B,C,D>
      - org.optaplanner.core.impl.score.stream.quad.SingleQuadJoiner<A,B,C,D>

## Interface Hierarchy

- org.optaplanner.core.api.score.stream.ConstraintStream
  - org.optaplanner.core.api.score.stream.quad.QuadConstraintStream<A,B,C,D>
    - org.optaplanner.core.impl.score.stream.quad.InnerQuadConstraintStream<A,B,C,D>

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