alluxio.security.user

Class BaseUserState

java.lang.Object

alluxio.security.user.BaseUserState

All Implemented Interfaces:

UserState

Direct Known Subclasses:

NoopUserState, SimpleUserState

public abstract class BaseUserState
extends Object
implements UserState

Base implementation of UserState.

Nested Class Summary

Nested classes/interfaces inherited from interface alluxio.security.user.UserState

UserState.Factory

Field Summary

Fields

Modifier and Type	Field and Description
protected AlluxioConfiguration	mConf
protected Subject	mSubject
protected User	mUser

Fields inherited from interface alluxio.security.user.UserState

FACTORIES

Constructor Summary

Constructors

Constructor and Description
BaseUserState(Subject subject, AlluxioConfiguration conf)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
Subject	getSubject() Returns the Subject for this user.
User	getUser() Returns the User object for this user.
int	hashCode()
protected abstract User	login()
User	relogin() Attempts to log in again, and returns the new User.

Methods inherited from class java.lang.Object

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

Field Detail

mSubject

protected final Subject mSubject

mUser

protected volatile User mUser

mConf

protected AlluxioConfiguration mConf

Constructor Detail

BaseUserState

public BaseUserState(Subject subject,
                     AlluxioConfiguration conf)

Parameters:

subject - the subject

conf - the Alluxio configuration

Method Detail

getSubject

public Subject getSubject()

Description copied from interface: UserState

Returns the Subject for this user. Attempts to log in if not already logged in.

Specified by:

getSubject in interface UserState

Returns:

the Subject for this user state

getUser

public User getUser()
             throws UnauthenticatedException

Description copied from interface: UserState

Returns the User object for this user. Attempts to log in if not already logged in.

Specified by:

getUser in interface UserState

Returns:

the User for this user state

Throws:

UnauthenticatedException - if the attempted login failed

login

protected abstract User login()
                       throws UnauthenticatedException

Throws:

UnauthenticatedException

relogin

public User relogin()
             throws UnauthenticatedException

Description copied from interface: UserState

Attempts to log in again, and returns the new User.

Specified by:

relogin in interface UserState

Returns:

the User for this user state, after the relogin

Throws:

UnauthenticatedException - if the re-login failed

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object