com.mesosphere.sdk.offer.evaluate.placement

Class NotRule

java.lang.Object

com.mesosphere.sdk.offer.evaluate.placement.NotRule

All Implemented Interfaces:

PlacementRule

public class NotRule
extends java.lang.Object
implements PlacementRule

Wrapper for another rule which returns the NOT result: Resources which the wrapped rule removed.

Constructor Summary

Constructors

Constructor and Description
NotRule(PlacementRule rule)

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o) Must be explicitly implemented by all PlacementRules.
EvaluationOutcome	filter(Offer offer, PodInstance podInstance, java.util.Collection<TaskInfo> tasks) Returns whether the provided Offer, combined with the accompanying TaskInfos, passes or fails this placement constraint.
java.util.Collection<PlacementField>	getPlacementFields() Returns the PlacementFields to which this rule applies.
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

NotRule

public NotRule(PlacementRule rule)

Method Detail

filter

public EvaluationOutcome filter(Offer offer,
                                PodInstance podInstance,
                                java.util.Collection<TaskInfo> tasks)

Description copied from interface: PlacementRule

Returns whether the provided Offer, combined with the accompanying TaskInfos, passes or fails this placement constraint.

Specified by:

filter in interface PlacementRule

Parameters:

offer - the offer to be examined

tasks - the currently deployed tasks in the system, possibly including a duplicate of the task being launched as represented in the offerRequirement. Use PlacementUtils.areEquivalent(TaskInfo, PodInstance) to detect duplicates

Returns:

an EvaluationOutcome object describing whether the placement succeeded or failed and why

getPlacementFields

public java.util.Collection<PlacementField> getPlacementFields()

Description copied from interface: PlacementRule

Returns the PlacementFields to which this rule applies.

Specified by:

getPlacementFields in interface PlacementRule

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Description copied from interface: PlacementRule

Must be explicitly implemented by all PlacementRules.

Specified by:

equals in interface PlacementRule

Overrides:

equals in class java.lang.Object

See Also:

TaskUtils.areDifferent( com.mesosphere.sdk.specification.TaskSpec, com.mesosphere.sdk.specification.TaskSpec)

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object