org.apache.hadoop.mapreduce.security.token

类 JobTokenIdentifier

java.lang.Object

org.apache.hadoop.security.token.TokenIdentifier

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

所有已实现的接口:

Writable

public class JobTokenIdentifier
extends TokenIdentifier

The token identifier for job token

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	JobTokenIdentifier.Renewer

字段概要

字段

限定符和类型	字段和说明
static Text	KIND_NAME

构造器概要

构造器

构造器和说明
JobTokenIdentifier() Default constructor
JobTokenIdentifier(Text jobid) Create a job token identifier from a jobid

方法概要

方法

限定符和类型	方法和说明
Text	getJobId() Get the jobid
Text	getKind() Get the token kind
UserGroupInformation	getUser() Get the Ugi with the username encoded in the token identifier
void	readFields(DataInput in) Deserialize the fields of this object from in.
void	write(DataOutput out) Serialize the fields of this object to out.

从类继承的方法 org.apache.hadoop.security.token.TokenIdentifier

getBytes

从类继承的方法 java.lang.Object

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

字段详细资料

KIND_NAME

public static final Text KIND_NAME

构造器详细资料

JobTokenIdentifier

public JobTokenIdentifier()

Default constructor

JobTokenIdentifier

public JobTokenIdentifier(Text jobid)

Create a job token identifier from a jobid

参数:

jobid - the jobid to use

方法详细资料

getKind

public Text getKind()

Get the token kind

指定者:

getKind 在类中 TokenIdentifier

返回:

the kind of the token

getUser

public UserGroupInformation getUser()

Get the Ugi with the username encoded in the token identifier

指定者:

getUser 在类中 TokenIdentifier

返回:

the username. null is returned if username in the identifier is empty or null.

getJobId

public Text getJobId()

Get the jobid

返回:

the jobid

readFields

public void readFields(DataInput in)
                throws IOException

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

参数:

in - DataInput to deseriablize this object from.

抛出:

IOException

write

public void write(DataOutput out)
           throws IOException

Serialize the fields of this object to out.

参数:

out - DataOuput to serialize this object into.

抛出:

IOException