org.apache.hadoop.yarn.api.resource

Class PlacementConstraintTransformations

java.lang.Object

org.apache.hadoop.yarn.api.resource.PlacementConstraintTransformations

@InterfaceAudience.Private
public class PlacementConstraintTransformations
extends Object

This class contains inner classes that define transformation on a PlacementConstraint expression.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PlacementConstraintTransformations.AbstractTransformer The default implementation of the PlacementConstraint.Visitor that does a traversal of the constraint tree, performing no action for the lead constraints.
static class	PlacementConstraintTransformations.SingleConstraintTransformer Visits a PlacementConstraint tree and substitutes each PlacementConstraint.TargetConstraint and PlacementConstraint.CardinalityConstraint with an equivalent PlacementConstraint.SingleConstraint.
static class	PlacementConstraintTransformations.SpecializedConstraintTransformer Visits a PlacementConstraint tree and, whenever possible, substitutes each PlacementConstraint.SingleConstraint with a PlacementConstraint.TargetConstraint.

Constructor Summary

Constructors

Constructor and Description
PlacementConstraintTransformations()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PlacementConstraintTransformations

public PlacementConstraintTransformations()