Package org.apache.hadoop.security

Class User

java.lang.Object

org.apache.hadoop.security.User

All Implemented Interfaces:

java.security.Principal

@LimitedPrivate({"HDFS","MapReduce"})
@Evolving
public class User
extends java.lang.Object
implements java.security.Principal

Save the full and short name of the user as a principal. This allows us to have a single type that we always look for when picking up user names.

Constructor Summary

Constructors

Constructor	Description
User(java.lang.String name)
User(java.lang.String name, UserGroupInformation.AuthenticationMethod authMethod, javax.security.auth.login.LoginContext login)

Method Summary

Modifier and Type	Method	Description
boolean	equals(java.lang.Object o)
UserGroupInformation.AuthenticationMethod	getAuthenticationMethod()
long	getLastLogin()	Get the time of the last login.
javax.security.auth.login.LoginContext	getLogin()	Returns login object
java.lang.String	getName()	Get the full name of the user.
java.lang.String	getShortName()	Get the user name up to the first '/' or '@'
int	hashCode()
void	setAuthenticationMethod(UserGroupInformation.AuthenticationMethod authMethod)
void	setLastLogin(long time)	Set the last login time.
void	setLogin(javax.security.auth.login.LoginContext login)	Set the login object
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.security.Principal

implies

Constructor Detail

User

public User(java.lang.String name)

User

public User(java.lang.String name,
            UserGroupInformation.AuthenticationMethod authMethod,
            javax.security.auth.login.LoginContext login)

Method Detail

getName

public java.lang.String getName()

Get the full name of the user.

Specified by:

getName in interface java.security.Principal

getShortName

public java.lang.String getShortName()

Get the user name up to the first '/' or '@'

Returns:

the leading part of the user name

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.security.Principal

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface java.security.Principal

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Specified by:

toString in interface java.security.Principal

Overrides:

toString in class java.lang.Object

setAuthenticationMethod

public void setAuthenticationMethod(UserGroupInformation.AuthenticationMethod authMethod)

getAuthenticationMethod

public UserGroupInformation.AuthenticationMethod getAuthenticationMethod()

getLogin

public javax.security.auth.login.LoginContext getLogin()

Returns login object

Returns:

login

setLogin

public void setLogin(javax.security.auth.login.LoginContext login)

Set the login object

Parameters:

login -

setLastLogin

public void setLastLogin(long time)

Set the last login time.

Parameters:

time - the number of milliseconds since the beginning of time

getLastLogin

public long getLastLogin()

Get the time of the last login.

Returns:

the number of milliseconds since the beginning of time.