# Hierarchy For Package org.optaplanner.core.impl.domain.lookup

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.optaplanner.core.impl.domain.lookup.ClassAndPlanningIdComparator (implements java.util.Comparator<T>)
  - org.optaplanner.core.impl.domain.lookup.EqualsLookUpStrategy (implements org.optaplanner.core.impl.domain.lookup.LookUpStrategy)
  - org.optaplanner.core.impl.domain.lookup.ImmutableLookUpStrategy (implements org.optaplanner.core.impl.domain.lookup.LookUpStrategy)
  - org.optaplanner.core.impl.domain.lookup.LookUpManager
  - org.optaplanner.core.impl.domain.lookup.LookUpStrategyResolver
  - org.optaplanner.core.impl.domain.lookup.NoneLookUpStrategy (implements org.optaplanner.core.impl.domain.lookup.LookUpStrategy)
  - org.optaplanner.core.impl.domain.lookup.PlanningIdLookUpStrategy (implements org.optaplanner.core.impl.domain.lookup.LookUpStrategy)

## Interface Hierarchy

- org.optaplanner.core.impl.domain.lookup.LookUpStrategy