org.apache.hadoop.yarn.api.records
Class NMToken

java.lang.Object
  org.apache.hadoop.yarn.api.records.NMToken

@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract class NMToken
extends Object

The NMToken is used for authenticating communication with NodeManager

It is issued by ResourceMananger when ApplicationMaster negotiates resource with ResourceManager and validated on NodeManager side.

See Also:

AllocateResponse.getNMTokens()

Constructor Summary

NMToken()

Method Summary

abstract NodeId	getNodeId() Get the NodeId of the NodeManager for which the NMToken is used to authenticate.
abstract Token	getToken() Get the Token used for authenticating with NodeManager
static NMToken	newInstance(NodeId nodeId, Token token)
abstract void	setNodeId(NodeId nodeId)
abstract void	setToken(Token token)

Methods inherited from class java.lang.Object

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

Constructor Detail

NMToken

public NMToken()

Method Detail

newInstance

@InterfaceAudience.Private
@InterfaceStability.Unstable
public static NMToken newInstance(NodeId nodeId,
                                                                                        Token token)

getNodeId

@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract NodeId getNodeId()

Get the NodeId of the NodeManager for which the NMToken is used to authenticate.

Returns:

the NodeId of the NodeManager for which the NMToken is used to authenticate.

setNodeId

@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract void setNodeId(NodeId nodeId)

getToken

@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract Token getToken()

Get the Token used for authenticating with NodeManager

Returns:

the Token used for authenticating with NodeManager

setToken

@InterfaceAudience.Public
@InterfaceStability.Stable
public abstract void setToken(Token token)