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

public class DelegationTokenIdentifier
extends AbstractDelegationTokenIdentifier

A delegation token identifier that is specific to MapReduce.

Field Summary

static Text

MAPREDUCE_DELEGATION_KIND

Constructor Summary

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

Text	getKind() Get the token kind

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

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

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

getBytes

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