org.apache.hadoop.yarn.server.scheduler

Class SchedulerRequestKey

java.lang.Object

org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey

All Implemented Interfaces:

Comparable<SchedulerRequestKey>

public final class SchedulerRequestKey
extends Object
implements Comparable<SchedulerRequestKey>

Composite key for outstanding scheduler requests for any schedulable entity. Currently it includes Priority.

Constructor Summary

Constructors

Constructor and Description
SchedulerRequestKey(org.apache.hadoop.yarn.api.records.Priority priority, long allocationRequestId, org.apache.hadoop.yarn.api.records.ContainerId containerToUpdate)

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(SchedulerRequestKey o)
static SchedulerRequestKey	create(org.apache.hadoop.yarn.api.records.ResourceRequest req) Factory method to generate a SchedulerRequestKey from a ResourceRequest.
static SchedulerRequestKey	create(org.apache.hadoop.yarn.api.records.UpdateContainerRequest req, SchedulerRequestKey schedulerRequestKey)
boolean	equals(Object o)
static SchedulerRequestKey	extractFrom(org.apache.hadoop.yarn.api.records.Container container) Convenience method to extract the SchedulerRequestKey used to schedule the Container.
long	getAllocationRequestId() Get the Id of the associated ResourceRequest.
org.apache.hadoop.yarn.api.records.ContainerId	getContainerToUpdate()
org.apache.hadoop.yarn.api.records.Priority	getPriority() Get the Priority of the request.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

SchedulerRequestKey

public SchedulerRequestKey(org.apache.hadoop.yarn.api.records.Priority priority,
                   long allocationRequestId,
                   org.apache.hadoop.yarn.api.records.ContainerId containerToUpdate)

Method Detail

create

public static SchedulerRequestKey create(org.apache.hadoop.yarn.api.records.ResourceRequest req)

Factory method to generate a SchedulerRequestKey from a ResourceRequest.

Parameters:

req - ResourceRequest

Returns:

SchedulerRequestKey

create

public static SchedulerRequestKey create(org.apache.hadoop.yarn.api.records.UpdateContainerRequest req,
                         SchedulerRequestKey schedulerRequestKey)

extractFrom

public static SchedulerRequestKey extractFrom(org.apache.hadoop.yarn.api.records.Container container)

Convenience method to extract the SchedulerRequestKey used to schedule the Container.

Parameters:

container - Container

Returns:

SchedulerRequestKey

getPriority

public org.apache.hadoop.yarn.api.records.Priority getPriority()

Get the Priority of the request.

Returns:

the Priority of the request

getAllocationRequestId

public long getAllocationRequestId()

Get the Id of the associated ResourceRequest.

Returns:

the Id of the associated ResourceRequest

getContainerToUpdate

public org.apache.hadoop.yarn.api.records.ContainerId getContainerToUpdate()

compareTo

public int compareTo(SchedulerRequestKey o)

Specified by:

compareTo in interface Comparable<SchedulerRequestKey>

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object