PathViabilityConstraint (ONOS Java API (2.5.0))

java.lang.Object
- org.onosproject.net.intent.constraint.PathViabilityConstraint

All Implemented Interfaces:

Constraint

Direct Known Subclasses:

WaypointConstraint
```
public abstract class PathViabilityConstraint
extends Object
implements Constraint
```
Abstract Constraint for constraints intended to influence only path viability and not influence individual link cost during path computation.

Constructor Summary

Constructors
Constructor Description

PathViabilityConstraint()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`cost(Link link, ResourceContext context)`	Evaluates the specified link and provides the cost for its traversal.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.onosproject.net.intent.Constraint
validate

- Constructor Detail
  - PathViabilityConstraint
```
public PathViabilityConstraint()
```
- Method Detail
  - cost
```
public final double cost(Link link,
                         ResourceContext context)
```
    Description copied from interface: Constraint
    
    Evaluates the specified link and provides the cost for its traversal.
    
    Specified by:
    
    cost in interface Constraint
    
    Parameters:
    
    link - link to be evaluated
    
    context - resource context for validating availability of resources
    
    Returns:
    
    cost of link traversal