org.apache.hadoop.security.token

Class Token.TrivialRenewer

java.lang.Object

org.apache.hadoop.security.token.TokenRenewer

org.apache.hadoop.security.token.Token.TrivialRenewer

Enclosing class:

Token<T extends TokenIdentifier>

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public static class Token.TrivialRenewer
extends TokenRenewer

A trivial renewer for token kinds that aren't managed. Sub-classes need to implement getKind for their token kind.

Constructor Summary

Constructors

Constructor and Description
TrivialRenewer()

Method Summary

Modifier and Type	Method and Description
void	cancel(Token<?> token, Configuration conf) Cancel the given token.
protected Text	getKind()
boolean	handleKind(Text kind) Does this renewer handle this kind of token?
boolean	isManaged(Token<?> token) Is the given token managed? Only managed tokens may be renewed or cancelled.
long	renew(Token<?> token, Configuration conf) Renew the given token.

Methods inherited from class java.lang.Object

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

Constructor Detail

TrivialRenewer

public TrivialRenewer()

Method Detail

getKind

protected Text getKind()

handleKind

public boolean handleKind(Text kind)

Description copied from class: TokenRenewer

Does this renewer handle this kind of token?

Specified by:

handleKind in class TokenRenewer

Parameters:

kind - the kind of the token

Returns:

true if this renewer can renew it

isManaged

public boolean isManaged(Token<?> token)

Description copied from class: TokenRenewer

Is the given token managed? Only managed tokens may be renewed or cancelled.

Specified by:

isManaged in class TokenRenewer

Parameters:

token - the token being checked

Returns:

true if the token may be renewed or cancelled

renew

public long renew(Token<?> token,
                  Configuration conf)

Description copied from class: TokenRenewer

Renew the given token.

Specified by:

renew in class TokenRenewer

Parameters:

token - the token being checked.

conf - configuration.

Returns:

the new expiration time.

cancel

public void cancel(Token<?> token,
                   Configuration conf)
            throws IOException,
                   InterruptedException

Description copied from class: TokenRenewer

Cancel the given token.

Specified by:

cancel in class TokenRenewer

Parameters:

token - the token being checked.

conf - configuration.

Throws:

IOException - raised on errors performing I/O.

InterruptedException - thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.