org.springframework.yarn.client
Class ClientRmTemplate

java.lang.Object
  org.springframework.yarn.rpc.YarnRpcAccessor<org.apache.hadoop.yarn.api.ClientRMProtocol>
      org.springframework.yarn.client.ClientRmTemplate

All Implemented Interfaces:

org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean, ClientRmOperations

public class ClientRmTemplate
extends YarnRpcAccessor<org.apache.hadoop.yarn.api.ClientRMProtocol>
implements ClientRmOperations

Template implementation for ClientRmOperations wrapping communication using ClientRMProtocol. Methods for this template wraps possible exceptions into Spring Dao exception hierarchy.

Author:

Janne Valkealahti

Constructor Summary

ClientRmTemplate(org.apache.hadoop.conf.Configuration config)
Constructs a ClientRmTemplate with a given yarn configuration.

Method Summary

org.apache.hadoop.yarn.api.records.ApplicationReport	getApplicationReport(org.apache.hadoop.yarn.api.records.ApplicationId applicationId) Gets a report of the application.
org.apache.hadoop.yarn.api.records.DelegationToken	getDelegationToken(java.lang.String renewer) Gets the resource manager delegation token.
org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse	getNewApplication() Requests a new application from a resource manager.
protected java.net.InetSocketAddress	getRpcAddress(org.apache.hadoop.conf.Configuration config) Gets the InetSocketAddress where this accessor should connect.
org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse	killApplication(org.apache.hadoop.yarn.api.records.ApplicationId applicationId) Requests ResourceManager to abort submitted application.
java.util.List<org.apache.hadoop.yarn.api.records.ApplicationReport>	listApplications() Gets a list of ApplicationReports from a resource manager.
org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse	submitApplication(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext appSubContext) Submits a new application into resource manager.

Methods inherited from class org.springframework.yarn.rpc.YarnRpcAccessor

afterPropertiesSet, createProxy, destroy, execute, getConfiguration, getProxy, getUser

Methods inherited from class java.lang.Object

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

Constructor Detail

ClientRmTemplate

public ClientRmTemplate(org.apache.hadoop.conf.Configuration config)

Constructs a ClientRmTemplate with a given yarn configuration.

Parameters:

config - the yarn configuration

Method Detail

listApplications

public java.util.List<org.apache.hadoop.yarn.api.records.ApplicationReport> listApplications()

Description copied from interface: ClientRmOperations

Gets a list of ApplicationReports from a resource manager.

Specified by:

listApplications in interface ClientRmOperations

Returns:

a list of ApplicationReports

getNewApplication

public org.apache.hadoop.yarn.api.protocolrecords.GetNewApplicationResponse getNewApplication()

Description copied from interface: ClientRmOperations

Requests a new application from a resource manager. Main purpose is to get a new ApplicationId but response also contains information about resource capabilities.

Specified by:

getNewApplication in interface ClientRmOperations

Returns:

the new GetNewApplicationResponse

submitApplication

public org.apache.hadoop.yarn.api.protocolrecords.SubmitApplicationResponse submitApplication(org.apache.hadoop.yarn.api.records.ApplicationSubmissionContext appSubContext)

Description copied from interface: ClientRmOperations

Submits a new application into resource manager. Returned response is an empty placeholder, thus application submission is considered to be successful if no exceptions are thrown.

Specified by:

submitApplication in interface ClientRmOperations

Parameters:

appSubContext - the Application Submission Context

Returns:

the new SubmitApplicationResponse

killApplication

public org.apache.hadoop.yarn.api.protocolrecords.KillApplicationResponse killApplication(org.apache.hadoop.yarn.api.records.ApplicationId applicationId)

Description copied from interface: ClientRmOperations

Requests ResourceManager to abort submitted application.

Specified by:

killApplication in interface ClientRmOperations

Parameters:

applicationId - the application id

Returns:

the KillApplicationResponse

getDelegationToken

public org.apache.hadoop.yarn.api.records.DelegationToken getDelegationToken(java.lang.String renewer)

Description copied from interface: ClientRmOperations

Gets the resource manager delegation token.

Specified by:

getDelegationToken in interface ClientRmOperations

Parameters:

renewer - the renewer as kerberos principal

Returns:

the delegation token

getApplicationReport

public org.apache.hadoop.yarn.api.records.ApplicationReport getApplicationReport(org.apache.hadoop.yarn.api.records.ApplicationId applicationId)

Description copied from interface: ClientRmOperations

Gets a report of the application.

Specified by:

getApplicationReport in interface ClientRmOperations

Parameters:

applicationId - the application id

Returns:

the ApplicationReport

getRpcAddress

protected java.net.InetSocketAddress getRpcAddress(org.apache.hadoop.conf.Configuration config)

Description copied from class: YarnRpcAccessor

Gets the InetSocketAddress where this accessor should connect.

Specified by:

getRpcAddress in class YarnRpcAccessor<org.apache.hadoop.yarn.api.ClientRMProtocol>

Parameters:

config - the yarn configuration

Returns:

address of rpc endpoint