org.springframework.yarn.am

Class AppmasterCmTemplate

java.lang.Object

org.springframework.yarn.rpc.YarnRpcAccessor<org.apache.hadoop.yarn.api.ContainerManagementProtocol>

org.springframework.yarn.am.AppmasterCmTemplate

All Implemented Interfaces:

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

public class AppmasterCmTemplate
extends YarnRpcAccessor<org.apache.hadoop.yarn.api.ContainerManagementProtocol>
implements AppmasterCmOperations

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

Author:

Janne Valkealahti

Constructor Summary

Constructors

Constructor and Description
AppmasterCmTemplate(org.apache.hadoop.conf.Configuration config, org.apache.hadoop.yarn.api.records.Container container) Instantiates a new AppmasterCmTemplate.

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.yarn.api.records.ContainerStatus	getContainerStatus() Gets the container status.
protected java.net.InetSocketAddress	getRpcAddress(org.apache.hadoop.conf.Configuration config) Gets the InetSocketAddress where this accessor should connect.
protected org.apache.hadoop.security.UserGroupInformation	getUser() Gets the user used to create the proxy.
org.apache.hadoop.yarn.api.protocolrecords.StartContainersResponse	startContainers(org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest request) Start container.
org.apache.hadoop.yarn.api.protocolrecords.StopContainersResponse	stopContainers() Stop container.

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

afterPropertiesSet, createProxy, destroy, execute, getConfiguration, getProxy

Methods inherited from class java.lang.Object

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

Constructor Detail

AppmasterCmTemplate

public AppmasterCmTemplate(org.apache.hadoop.conf.Configuration config,
                   org.apache.hadoop.yarn.api.records.Container container)

Instantiates a new AppmasterCmTemplate.

Parameters:

config - the hadoop configation

container - the Container

Method Detail

startContainers

public org.apache.hadoop.yarn.api.protocolrecords.StartContainersResponse startContainers(org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest request)

Description copied from interface: AppmasterCmOperations

Start container.

Specified by:

startContainers in interface AppmasterCmOperations

Parameters:

request - the request

Returns:

the start container response

stopContainers

public org.apache.hadoop.yarn.api.protocolrecords.StopContainersResponse stopContainers()

Description copied from interface: AppmasterCmOperations

Stop container.

Specified by:

stopContainers in interface AppmasterCmOperations

Returns:

the stop container response

getContainerStatus

public org.apache.hadoop.yarn.api.records.ContainerStatus getContainerStatus()

Description copied from interface: AppmasterCmOperations

Gets the container status.

Specified by:

getContainerStatus in interface AppmasterCmOperations

Returns:

the container status

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.ContainerManagementProtocol>

Parameters:

config - the yarn configuration

Returns:

address of rpc endpoint

getUser

protected org.apache.hadoop.security.UserGroupInformation getUser()

Description copied from class: YarnRpcAccessor

Gets the user used to create the proxy. Default implementation delegates into UserGroupInformation.getCurrentUser().

Overrides:

getUser in class YarnRpcAccessor<org.apache.hadoop.yarn.api.ContainerManagementProtocol>

Returns:

the user

See Also:

YarnRpcAccessor.createProxy()