org.apache.hadoop.mapreduce.security.token.delegation

Class DelegationTokenIdentifier

java.lang.Object

org.apache.hadoop.security.token.TokenIdentifier

org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier

org.apache.hadoop.mapreduce.security.token.delegation.DelegationTokenIdentifier

All Implemented Interfaces:

Writable

@InterfaceAudience.Private
@InterfaceStability.Unstable
public class DelegationTokenIdentifier
extends AbstractDelegationTokenIdentifier

A delegation token identifier that is specific to MapReduce.

Field Summary

Fields

Modifier and Type	Field and Description
static Text	MAPREDUCE_DELEGATION_KIND

Constructor Summary

Constructors

Constructor and Description
DelegationTokenIdentifier() Create an empty delegation token identifier for reading into.
DelegationTokenIdentifier(Text owner, Text renewer, Text realUser) Create a new delegation token identifier

Method Summary

Methods

Modifier and Type	Method and Description
Text	getKind() Get the token kind

Methods inherited from class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier

equals, getIssueDate, getMasterKeyId, getMaxDate, getOwner, getRealUser, getRenewer, getSequenceNumber, getUser, hashCode, readFields, setIssueDate, setMasterKeyId, setMaxDate, setSequenceNumber, toString, write

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

getBytes, getTrackingId

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

MAPREDUCE_DELEGATION_KIND

public static final Text MAPREDUCE_DELEGATION_KIND

Constructor Detail

DelegationTokenIdentifier

public DelegationTokenIdentifier()

Create an empty delegation token identifier for reading into.

DelegationTokenIdentifier

public DelegationTokenIdentifier(Text owner,
                         Text renewer,
                         Text realUser)

Create a new delegation token identifier

Parameters:

owner - the effective username of the token owner

renewer - the username of the renewer

realUser - the real username of the token owner

Method Detail

getKind

public Text getKind()

Description copied from class: TokenIdentifier

Get the token kind

Specified by:

getKind in class AbstractDelegationTokenIdentifier

Returns:

the kind of the token