Package org.apache.hadoop.yarn.api.resource

Class PlacementConstraintTransformations.SpecializedConstraintTransformer

java.lang.Object

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

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

All Implemented Interfaces:

org.apache.hadoop.yarn.api.resource.PlacementConstraint.Visitor<org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint>

Enclosing class:

PlacementConstraintTransformations

public static class PlacementConstraintTransformations.SpecializedConstraintTransformer
extends PlacementConstraintTransformations.AbstractTransformer

Visits a PlacementConstraint tree and, whenever possible, substitutes each PlacementConstraint.SingleConstraint with a PlacementConstraint.TargetConstraint. When such a substitution is not possible, we keep the original PlacementConstraint.SingleConstraint.

Constructor Summary

Constructors

Constructor	Description
SpecializedConstraintTransformer(org.apache.hadoop.yarn.api.resource.PlacementConstraint constraint)

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint	visit(org.apache.hadoop.yarn.api.resource.PlacementConstraint.SingleConstraint constraint)

Methods inherited from class org.apache.hadoop.yarn.api.resource.PlacementConstraintTransformations.AbstractTransformer

transform, visit, visit, visit, visit, visit, visit, visit

Methods inherited from class java.lang.Object

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

Constructor Details

SpecializedConstraintTransformer

public SpecializedConstraintTransformer(org.apache.hadoop.yarn.api.resource.PlacementConstraint constraint)

Method Details

visit

public org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint visit(org.apache.hadoop.yarn.api.resource.PlacementConstraint.SingleConstraint constraint)

Specified by:

visit in interface org.apache.hadoop.yarn.api.resource.PlacementConstraint.Visitor<org.apache.hadoop.yarn.api.resource.PlacementConstraint.AbstractConstraint>

Overrides:

visit in class PlacementConstraintTransformations.AbstractTransformer