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:

org.apache.hadoop.io.Writable

@InterfaceAudience.Private
public class MRDelegationTokenIdentifier
extends org.apache.hadoop.security.token.delegation.AbstractDelegationTokenIdentifier

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

Nested Class Summary

static class

MRDelegationTokenIdentifier.Renewer

Field Summary

static org.apache.hadoop.io.Text

KIND_NAME

Constructor Summary

MRDelegationTokenIdentifier()

MRDelegationTokenIdentifier(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, isEqual, readFields, setIssueDate, setMasterKeyId, setMaxDate, setOwner, setRealUser, setRenewer, 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 org.apache.hadoop.io.Text KIND_NAME

Constructor Detail

MRDelegationTokenIdentifier

public MRDelegationTokenIdentifier()

MRDelegationTokenIdentifier

public MRDelegationTokenIdentifier(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