Package org.apache.hadoop.yarn.server.resourcemanager.scheduler

Interface SchedulerQueueManager<T extends SchedulerQueue,E extends ReservationSchedulerConfiguration>

All Known Implementing Classes:

CapacitySchedulerQueueManager

@Private
@Unstable
public interface SchedulerQueueManager<T extends SchedulerQueue,E extends ReservationSchedulerConfiguration>

Context of the Queues in Scheduler.

Method Summary

Modifier and Type	Method	Description
void	addQueue(java.lang.String queueName, T queue)	Add a new queue to the existing queues.
T	getQueue(java.lang.String queueName)	Get a queue matching the specified queue name.
java.util.Map<java.lang.String,T>	getQueues()	Get all the queues.
T	getRootQueue()	Get the root queue.
void	reinitializeQueues(E newConf)	Reinitialize the queues.
void	removeQueue(java.lang.String queueName)	Remove the queue from the existing queue.

Method Detail

getRootQueue

T getRootQueue()

Get the root queue.

Returns:

root queue

getQueues

java.util.Map<java.lang.String,T> getQueues()

Get all the queues.

Returns:

a map contains all the queues as well as related queue names

removeQueue

void removeQueue(java.lang.String queueName)

Remove the queue from the existing queue.

Parameters:

queueName - the queue name

addQueue

void addQueue(java.lang.String queueName,
              T queue)

Add a new queue to the existing queues.

Parameters:

queueName - the queue name

queue - the queue object

getQueue

T getQueue(java.lang.String queueName)

Get a queue matching the specified queue name.

Parameters:

queueName - the queue name

Returns:

a queue object

reinitializeQueues

void reinitializeQueues(E newConf)
                 throws java.io.IOException

Reinitialize the queues.

Parameters:

newConf - the configuration

Throws:

java.io.IOException - if fails to re-initialize queues