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

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.common.BiLeftHandSide<A,​B>
  - org.optaplanner.core.impl.score.stream.drools.common.BiTuple<A,​B> (implements org.optaplanner.core.impl.score.stream.drools.common.FactTuple)
  - org.optaplanner.core.impl.score.stream.drools.common.QuadLeftHandSide<A,​B,​C,​D>
  - org.optaplanner.core.impl.score.stream.drools.common.QuadTuple<A,​B,​C,​D> (implements org.optaplanner.core.impl.score.stream.drools.common.FactTuple)
  - org.optaplanner.core.impl.score.stream.drools.common.TriLeftHandSide<A,​B,​C>
  - org.optaplanner.core.impl.score.stream.drools.common.TriTuple<A,​B,​C> (implements org.optaplanner.core.impl.score.stream.drools.common.FactTuple)
  - org.optaplanner.core.impl.score.stream.drools.common.UniLeftHandSide<A>

## Interface Hierarchy

- java.util.function.BiFunction<T,​U,​R>
  - org.optaplanner.core.impl.score.stream.drools.common.RuleBuilder<Solution_>
- org.optaplanner.core.impl.score.stream.drools.common.FactTuple
- org.optaplanner.core.impl.score.stream.drools.common.PatternVariable<A,​PatternVar_,​Child_>