# Hierarchy For Package org.optaplanner.core.api.domain.variable

Package Hierarchies:

- All Packages

## Interface Hierarchy

- java.util.Comparator<T>
  - org.optaplanner.core.api.domain.variable.PlanningVariable.NullStrengthComparator
- org.optaplanner.core.api.domain.variable.PlanningVariableReference.NullEntityClass
- org.optaplanner.core.impl.heuristic.selector.common.decorator.SelectionFilter<Solution_,T>
  - org.optaplanner.core.api.domain.variable.PlanningVariable.NullReinitializeVariableEntityFilter
- org.optaplanner.core.impl.heuristic.selector.common.decorator.SelectionSorterWeightFactory<Solution_,T>
  - org.optaplanner.core.api.domain.variable.PlanningVariable.NullStrengthWeightFactory
- org.optaplanner.core.impl.domain.variable.supply.Supply
  - org.optaplanner.core.impl.domain.variable.listener.VariableListener<Entity_>
    - org.optaplanner.core.api.domain.variable.CustomShadowVariable.NullVariableListener

## Annotation Type Hierarchy

- org.optaplanner.core.api.domain.variable.PlanningVariableReference (implements java.lang.annotation.Annotation)
- org.optaplanner.core.api.domain.variable.PlanningVariable (implements java.lang.annotation.Annotation)
- org.optaplanner.core.api.domain.variable.InverseRelationShadowVariable (implements java.lang.annotation.Annotation)
- org.optaplanner.core.api.domain.variable.CustomShadowVariable (implements java.lang.annotation.Annotation)
- org.optaplanner.core.api.domain.variable.AnchorShadowVariable (implements java.lang.annotation.Annotation)

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.optaplanner.core.api.domain.variable.PlanningVariableGraphType

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