Package org.apache.drill.exec.resourcemgr.config.selectionpolicy

Class RandomQueueSelection

java.lang.Object

org.apache.drill.exec.resourcemgr.config.selectionpolicy.AbstractQueueSelectionPolicy

org.apache.drill.exec.resourcemgr.config.selectionpolicy.RandomQueueSelection

All Implemented Interfaces:

QueueSelectionPolicy

public class RandomQueueSelection
extends AbstractQueueSelectionPolicy

Randomly selects a queue from the list of all the provided queues. If no pools are provided then it throws QueueSelectionException

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.drill.exec.resourcemgr.config.selectionpolicy.QueueSelectionPolicy

QueueSelectionPolicy.SelectionPolicy

Constructor Summary

Constructors

Constructor	Description
RandomQueueSelection()

Method Summary

Modifier and Type	Method	Description
ResourcePool	selectQueue(List<ResourcePool> allPools, QueryContext queryContext, NodeResources maxResourcePerNode)

Methods inherited from class org.apache.drill.exec.resourcemgr.config.selectionpolicy.AbstractQueueSelectionPolicy

getSelectionPolicy

Methods inherited from class java.lang.Object

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

Constructor Details

RandomQueueSelection

public RandomQueueSelection()

Method Details

selectQueue

public ResourcePool selectQueue(List<ResourcePool> allPools,
 QueryContext queryContext,
 NodeResources maxResourcePerNode)
                         throws QueueSelectionException

Specified by:

selectQueue in interface QueueSelectionPolicy

Specified by:

selectQueue in class AbstractQueueSelectionPolicy

Throws:

QueueSelectionException