# Hierarchy For Package org.optaplanner.core.impl.constructionheuristic.placer

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.optaplanner.core.impl.constructionheuristic.placer.AbstractEntityPlacer<Solution_> (implements org.optaplanner.core.impl.constructionheuristic.placer.EntityPlacer<Solution_>)
    - org.optaplanner.core.impl.constructionheuristic.placer.PooledEntityPlacer<Solution_> (implements org.optaplanner.core.impl.constructionheuristic.placer.EntityPlacer<Solution_>)
    - org.optaplanner.core.impl.constructionheuristic.placer.QueuedEntityPlacer<Solution_> (implements org.optaplanner.core.impl.constructionheuristic.placer.EntityPlacer<Solution_>)
    - org.optaplanner.core.impl.constructionheuristic.placer.QueuedValuePlacer<Solution_> (implements org.optaplanner.core.impl.constructionheuristic.placer.EntityPlacer<Solution_>)
  - org.optaplanner.core.impl.AbstractFromConfigFactory<Solution_,​Config_>
    - org.optaplanner.core.impl.constructionheuristic.placer.PooledEntityPlacerFactory<Solution_>
    - org.optaplanner.core.impl.constructionheuristic.placer.QueuedEntityPlacerFactory<Solution_>
    - org.optaplanner.core.impl.constructionheuristic.placer.QueuedValuePlacerFactory<Solution_>
  - org.optaplanner.core.impl.constructionheuristic.placer.Placement<Solution_> (implements java.lang.Iterable<T>)

## Interface Hierarchy

- org.optaplanner.core.impl.constructionheuristic.placer.EntityPlacerFactory<Solution_>
- java.util.EventListener
  - org.optaplanner.core.impl.solver.event.SolverLifecycleListener<Solution_>
    - org.optaplanner.core.impl.phase.event.PhaseLifecycleListener<Solution_>
      - org.optaplanner.core.impl.constructionheuristic.placer.EntityPlacer<Solution_> (also extends java.lang.Iterable<T>)
- java.lang.Iterable<T>
  - org.optaplanner.core.impl.constructionheuristic.placer.EntityPlacer<Solution_> (also extends org.optaplanner.core.impl.phase.event.PhaseLifecycleListener<Solution_>)