org.apache.hadoop.mapreduce.security.token

Class JobTokenIdentifier

java.lang.Object

org.apache.hadoop.security.token.TokenIdentifier

org.apache.hadoop.mapreduce.security.token.JobTokenIdentifier

All Implemented Interfaces:

org.apache.hadoop.io.Writable

public class JobTokenIdentifier
extends org.apache.hadoop.security.token.TokenIdentifier

The token identifier for job token

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JobTokenIdentifier.Renewer

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.hadoop.io.Text	KIND_NAME

Constructor Summary

Constructors

Constructor and Description
JobTokenIdentifier() Default constructor
JobTokenIdentifier(org.apache.hadoop.io.Text jobid) Create a job token identifier from a jobid

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.io.Text	getJobId() Get the jobid
org.apache.hadoop.io.Text	getKind()
org.apache.hadoop.security.UserGroupInformation	getUser()
void	readFields(java.io.DataInput in)
void	write(java.io.DataOutput out)

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

getBytes, getTrackingId

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

KIND_NAME

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

Constructor Detail

JobTokenIdentifier

public JobTokenIdentifier()

Default constructor

JobTokenIdentifier

public JobTokenIdentifier(org.apache.hadoop.io.Text jobid)

Create a job token identifier from a jobid

Parameters:

jobid - the jobid to use

Method Detail

getKind

public org.apache.hadoop.io.Text getKind()

Specified by:

getKind in class org.apache.hadoop.security.token.TokenIdentifier

getUser

public org.apache.hadoop.security.UserGroupInformation getUser()

Specified by:

getUser in class org.apache.hadoop.security.token.TokenIdentifier

getJobId

public org.apache.hadoop.io.Text getJobId()

Get the jobid

Returns:

the jobid

readFields

public void readFields(java.io.DataInput in)
                throws java.io.IOException

Throws:

java.io.IOException

write

public void write(java.io.DataOutput out)
           throws java.io.IOException

Throws:

java.io.IOException