org.apache.hadoop.mapreduce.v2.api

Class MRDelegationTokenIdentifier

java.lang.Object

org.apache.hadoop.security.token.TokenIdentifier

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

org.apache.hadoop.mapreduce.v2.api.MRDelegationTokenIdentifier

All Implemented Interfaces:

Writable

@InterfaceAudience.Private
public class MRDelegationTokenIdentifier
extends AbstractDelegationTokenIdentifier

TokenIdentifier that identifies delegation tokens issued by JobHistoryServer to delegate MR tasks talking to the JobHistoryServer.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MRDelegationTokenIdentifier.Renewer

Field Summary

Fields

Modifier and Type	Field and Description
static Text	KIND_NAME

Constructor Summary

Constructors

Constructor and Description
MRDelegationTokenIdentifier()
MRDelegationTokenIdentifier(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

KIND_NAME

public static final Text KIND_NAME

Constructor Detail

MRDelegationTokenIdentifier

public MRDelegationTokenIdentifier()

MRDelegationTokenIdentifier

public MRDelegationTokenIdentifier(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