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

Interface PlacementConstraint.Visitable

All Known Implementing Classes:
PlacementConstraint.AbstractConstraint, PlacementConstraint.And, PlacementConstraint.CardinalityConstraint, PlacementConstraint.CompositeConstraint, PlacementConstraint.DelayedOr, PlacementConstraint.Or, PlacementConstraint.SingleConstraint, PlacementConstraint.TargetConstraint, PlacementConstraint.TargetExpression, PlacementConstraint.TimedPlacementConstraint
Enclosing class:
PlacementConstraint
@Private public static interface PlacementConstraint.Visitable
Interface used to enable the elements of the constraint tree to be visited.

  • Method Summary

    Modifier and Type
    Method
    Description
    <T> T
    accept(PlacementConstraint.Visitor<T> visitor)
    Visitor pattern.

  • Method Details

    • accept

      <T> T accept(PlacementConstraint.Visitor<T> visitor)
      Visitor pattern.
      Type Parameters:
      T - defines the type that the visitor will use and the return type of the accept.
      Parameters:
      visitor - visitor to be used
      Returns:
      the result of visiting a given object.