org.apache.hadoop.yarn.security
Class NMTokenIdentifier

java.lang.Object
  org.apache.hadoop.security.token.TokenIdentifier
      org.apache.hadoop.yarn.security.NMTokenIdentifier

All Implemented Interfaces:

Writable

@InterfaceAudience.Public
@InterfaceStability.Evolving
public class NMTokenIdentifier
extends org.apache.hadoop.security.token.TokenIdentifier

Field Summary

static Text

KIND

Constructor Summary

NMTokenIdentifier()
Default constructor needed by RPC/Secret manager

NMTokenIdentifier(ApplicationAttemptId appAttemptId, NodeId nodeId, String applicationSubmitter, int masterKeyId)

Method Summary

ApplicationAttemptId	getApplicationAttemptId()
String	getApplicationSubmitter()
int	getKeyId()
Text	getKind() Get the token kind
NodeId	getNodeId()
org.apache.hadoop.security.UserGroupInformation	getUser() Get the Ugi with the username encoded in the token identifier
void	readFields(DataInput in) Deserialize the fields of this object from in.
void	write(DataOutput out) Serialize the fields of this object to out.

Methods inherited from class org.apache.hadoop.security.token.TokenIdentifier

getBytes, getTrackingId

Methods inherited from class java.lang.Object

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

Field Detail

KIND

public static final Text KIND

Constructor Detail

NMTokenIdentifier

public NMTokenIdentifier(ApplicationAttemptId appAttemptId,
                         NodeId nodeId,
                         String applicationSubmitter,
                         int masterKeyId)

NMTokenIdentifier

public NMTokenIdentifier()

Default constructor needed by RPC/Secret manager

Method Detail

getApplicationAttemptId

public ApplicationAttemptId getApplicationAttemptId()

getNodeId

public NodeId getNodeId()

getApplicationSubmitter

public String getApplicationSubmitter()

getKeyId

public int getKeyId()

write

public void write(DataOutput out)
           throws IOException

Description copied from interface: Writable

Serialize the fields of this object to out.

Parameters:

out - DataOuput to serialize this object into.

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Description copied from interface: Writable

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

Parameters:

in - DataInput to deseriablize this object from.

Throws:

IOException

getKind

public Text getKind()

Description copied from class: org.apache.hadoop.security.token.TokenIdentifier

Get the token kind

Specified by:

getKind in class org.apache.hadoop.security.token.TokenIdentifier

Returns:

the kind of the token

getUser

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

Description copied from class: org.apache.hadoop.security.token.TokenIdentifier

Get the Ugi with the username encoded in the token identifier

Specified by:

getUser in class org.apache.hadoop.security.token.TokenIdentifier

Returns:

the username. null is returned if username in the identifier is empty or null.