org.onosproject.net.intent.constraint

Class ProtectionConstraint

java.lang.Object

org.onosproject.net.intent.constraint.ProtectionConstraint

All Implemented Interfaces:

Constraint

@Beta
public class ProtectionConstraint
extends Object
implements Constraint

Constraint that determines whether to employ path protection.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ProtectionConstraint()

Method Summary

Modifier and Type	Method and Description
double	cost(Link link, ResourceContext context) Evaluates the specified link and provides the cost for its traversal.
static ProtectionConstraint	protection() Returns protection constraint.
static boolean	requireProtectedPath(Intent intent) Determines whether to utilize path protection for the given intent.
String	toString()
boolean	validate(Path path, ResourceContext context) Validates that the specified path satisfies the constraint.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProtectionConstraint

protected ProtectionConstraint()

Method Detail

cost

public 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

validate

public boolean validate(Path path,
                        ResourceContext context)

Description copied from interface: Constraint

Validates that the specified path satisfies the constraint.

Specified by:

validate in interface Constraint

Parameters:

path - path to be validated

context - resource context for validating availability of resources

Returns:

cost of link traversal

requireProtectedPath

public static boolean requireProtectedPath(Intent intent)

Determines whether to utilize path protection for the given intent.

Parameters:

intent - intent to be inspected

Returns:

whether the intent has a ProtectionConstraint

protection

public static ProtectionConstraint protection()

Returns protection constraint.

Returns:

protection constraint

toString

public String toString()

Overrides:

toString in class Object