org.apache.hadoop.yarn.server.resourcemanager.placement

Class PlacementRule

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.placement.PlacementRule

Direct Known Subclasses:

UserGroupMappingPlacementRule

public abstract class PlacementRule
extends Object

Constructor Summary

Constructors

Constructor and Description
PlacementRule()

Method Summary

Modifier and Type	Method and Description
String	getName()
abstract String	getQueueForApp(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext asc, String user) Get queue for a given application
void	initialize(Map<String,String> parameters, RMContext rmContext)

Methods inherited from class java.lang.Object

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

Constructor Detail

PlacementRule

public PlacementRule()

Method Detail

getName

public String getName()

initialize

public void initialize(Map<String,String> parameters,
                       RMContext rmContext)
                throws org.apache.hadoop.yarn.exceptions.YarnException

Throws:

org.apache.hadoop.yarn.exceptions.YarnException

getQueueForApp

public abstract String getQueueForApp(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext asc,
                                      String user)
                               throws org.apache.hadoop.yarn.exceptions.YarnException

Get queue for a given application

Parameters:

asc - application submission context

user - userName

Returns:

non-null value means it is determined

null value means it is undetermined, so next PlacementRule in the PlacementManager will take care

Throws:

org.apache.hadoop.yarn.exceptions.YarnException - if any error happens