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:

org.apache.hadoop.io.Writable

@InterfaceAudience.Private
@InterfaceStability.Unstable
public class DelegationTokenIdentifier
extends org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier

A delegation token identifier that is specific to MapReduce.

Field Summary

static org.apache.hadoop.io.Text

MAPREDUCE_DELEGATION_KIND

Constructor Summary

DelegationTokenIdentifier()
Create an empty delegation token identifier for reading into.

DelegationTokenIdentifier(org.apache.hadoop.io.Text owner, org.apache.hadoop.io.Text renewer, org.apache.hadoop.io.Text realUser)
Create a new delegation token identifier

Method Summary

org.apache.hadoop.io.Text

getKind()

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

Methods inherited from class java.lang.Object

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

Field Detail

MAPREDUCE_DELEGATION_KIND

public static final org.apache.hadoop.io.Text MAPREDUCE_DELEGATION_KIND

Constructor Detail

DelegationTokenIdentifier

public DelegationTokenIdentifier()

Create an empty delegation token identifier for reading into.

DelegationTokenIdentifier

public DelegationTokenIdentifier(org.apache.hadoop.io.Text owner,
                                 org.apache.hadoop.io.Text renewer,
                                 org.apache.hadoop.io.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 org.apache.hadoop.io.Text getKind()

Specified by:

getKind in class org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier