# Hierarchy For Package org.apache.hadoop.yarn.api.resource

Package Hierarchies:

- All Packages

## Class Hierarchy

- java.lang.Object
  - org.apache.hadoop.yarn.api.resource.PlacementConstraint
  - org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint (implements org.apache.hadoop.yarn.api.resource.PlacementConstraint.Visitable)
    - org.apache.hadoop.yarn.api.resource.PlacementConstraint.CardinalityConstraint
    - org.apache.hadoop.yarn.api.resource.PlacementConstraint.CompositeConstraint<R>
      - org.apache.hadoop.yarn.api.resource.PlacementConstraint.And
      - org.apache.hadoop.yarn.api.resource.PlacementConstraint.DelayedOr
      - org.apache.hadoop.yarn.api.resource.PlacementConstraint.Or
    - org.apache.hadoop.yarn.api.resource.PlacementConstraint.SingleConstraint
    - org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetConstraint
  - org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression (implements org.apache.hadoop.yarn.api.resource.PlacementConstraint.Visitable)
  - org.apache.hadoop.yarn.api.resource.PlacementConstraint.TimedPlacementConstraint (implements org.apache.hadoop.yarn.api.resource.PlacementConstraint.Visitable)
  - org.apache.hadoop.yarn.api.resource.PlacementConstraints
  - org.apache.hadoop.yarn.api.resource.PlacementConstraints.PlacementTargets

## Interface Hierarchy

- org.apache.hadoop.yarn.api.resource.PlacementConstraint.Visitable
- org.apache.hadoop.yarn.api.resource.PlacementConstraint.Visitor<T>

## Enum Hierarchy

- java.lang.Object
  - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
    - org.apache.hadoop.yarn.api.resource.PlacementConstraint.TargetExpression.TargetType
    - org.apache.hadoop.yarn.api.resource.PlacementConstraint.TimedPlacementConstraint.DelayUnit

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