org.apache.flink.runtime.resourcemanager.slotmanager

Class DefaultResourceTracker

java.lang.Object

org.apache.flink.runtime.resourcemanager.slotmanager.DefaultResourceTracker

All Implemented Interfaces:

ResourceTracker

public class DefaultResourceTracker
extends Object
implements ResourceTracker

Default ResourceTracker implementation.

Constructor Summary

Constructors

Constructor and Description
DefaultResourceTracker()

Method Summary

Modifier and Type	Method and Description
void	clear() Removes all state from the tracker.
Collection<ResourceRequirement>	getAcquiredResources(JobID jobId) Returns a collection of ResourceRequirements that describe which resources have been assigned to a job.
Map<JobID,Collection<ResourceRequirement>>	getMissingResources() Returns a collection of ResourceRequirements that describe which resources the corresponding job is missing.
boolean	isRequirementEmpty(JobID jobId) Returns whether the ResourceRequirement of the given job is empty.
void	notifyAcquiredResource(JobID jobId, ResourceProfile resourceProfile) Notifies the tracker about the acquisition of a resource with the given resource profile, for the given job.
void	notifyLostResource(JobID jobId, ResourceProfile resourceProfile) Notifies the tracker about the loss of a resource with the given resource profile, for the given job.
void	notifyResourceRequirements(JobID jobId, Collection<ResourceRequirement> resourceRequirements) Notifies the tracker about a new or updated ResourceRequirements.

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultResourceTracker

public DefaultResourceTracker()

Method Detail

notifyResourceRequirements

public void notifyResourceRequirements(JobID jobId,
                                       Collection<ResourceRequirement> resourceRequirements)

Description copied from interface: ResourceTracker

Notifies the tracker about a new or updated ResourceRequirements.

Specified by:

notifyResourceRequirements in interface ResourceTracker

Parameters:

jobId - the job that the resource requirements belongs to

resourceRequirements - new resource requirements

notifyAcquiredResource

public void notifyAcquiredResource(JobID jobId,
                                   ResourceProfile resourceProfile)

Description copied from interface: ResourceTracker

Notifies the tracker about the acquisition of a resource with the given resource profile, for the given job.

Specified by:

notifyAcquiredResource in interface ResourceTracker

Parameters:

jobId - the job that acquired the resource

resourceProfile - profile of the resource

notifyLostResource

public void notifyLostResource(JobID jobId,
                               ResourceProfile resourceProfile)

Description copied from interface: ResourceTracker

Notifies the tracker about the loss of a resource with the given resource profile, for the given job.

Specified by:

notifyLostResource in interface ResourceTracker

Parameters:

jobId - the job that lost the resource

resourceProfile - profile of the resource

clear

public void clear()

Description copied from interface: ResourceTracker

Removes all state from the tracker.

Specified by:

clear in interface ResourceTracker

getMissingResources

public Map<JobID,Collection<ResourceRequirement>> getMissingResources()

Description copied from interface: ResourceTracker

Returns a collection of ResourceRequirements that describe which resources the corresponding job is missing.

Specified by:

getMissingResources in interface ResourceTracker

Returns:

missing resources for each jobs

getAcquiredResources

public Collection<ResourceRequirement> getAcquiredResources(JobID jobId)

Description copied from interface: ResourceTracker

Returns a collection of ResourceRequirements that describe which resources have been assigned to a job.

Specified by:

getAcquiredResources in interface ResourceTracker

Parameters:

jobId - job ID

Returns:

required/exceeding resources for each jobs

isRequirementEmpty

public boolean isRequirementEmpty(JobID jobId)

Description copied from interface: ResourceTracker

Returns whether the ResourceRequirement of the given job is empty.

Specified by:

isRequirementEmpty in interface ResourceTracker

Parameters:

jobId - job ID

Returns:

true if the ResourceRequirement of the given job is empty