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

Class PlacementConstraintProcessor

java.lang.Object

org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.processor.AbstractPlacementProcessor

org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.processor.PlacementConstraintProcessor

All Implemented Interfaces:

org.apache.hadoop.yarn.ams.ApplicationMasterServiceProcessor

public class PlacementConstraintProcessor
extends AbstractPlacementProcessor

An ApplicationMasterServiceProcessor that performs Constrained placement of Scheduling Requests. It does the following: 1. All initialization. 2. Intercepts placement constraints from the register call and adds it to the placement constraint manager. 3. Dispatches Scheduling Requests to the Planner.

Field Summary

Fields inherited from class org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.processor.AbstractPlacementProcessor

nextAMSProcessor, scheduler

Constructor Summary

Constructors

Constructor	Description
PlacementConstraintProcessor()

Method Summary

Modifier and Type	Method	Description
void	allocate(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId, org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest request, org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse response)
void	finishApplicationMaster(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId, org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest request, org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse response)
void	init(org.apache.hadoop.yarn.ams.ApplicationMasterServiceContext amsContext, org.apache.hadoop.yarn.ams.ApplicationMasterServiceProcessor nextProcessor)

Methods inherited from class org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.processor.AbstractPlacementProcessor

registerApplicationMaster

Methods inherited from class java.lang.Object

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

Constructor Detail

PlacementConstraintProcessor

public PlacementConstraintProcessor()

Method Detail

init

public void init(org.apache.hadoop.yarn.ams.ApplicationMasterServiceContext amsContext,
                 org.apache.hadoop.yarn.ams.ApplicationMasterServiceProcessor nextProcessor)

Specified by:

init in interface org.apache.hadoop.yarn.ams.ApplicationMasterServiceProcessor

Overrides:

init in class AbstractPlacementProcessor

allocate

public void allocate(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId,
                     org.apache.hadoop.yarn.api.protocolrecords.AllocateRequest request,
                     org.apache.hadoop.yarn.api.protocolrecords.AllocateResponse response)
              throws org.apache.hadoop.yarn.exceptions.YarnException

Throws:

org.apache.hadoop.yarn.exceptions.YarnException

finishApplicationMaster

public void finishApplicationMaster(org.apache.hadoop.yarn.api.records.ApplicationAttemptId appAttemptId,
                                    org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterRequest request,
                                    org.apache.hadoop.yarn.api.protocolrecords.FinishApplicationMasterResponse response)

Specified by:

finishApplicationMaster in interface org.apache.hadoop.yarn.ams.ApplicationMasterServiceProcessor

Overrides:

finishApplicationMaster in class AbstractPlacementProcessor