org.apache.hadoop.security.token

クラス TokenRenewer

java.lang.Object

org.apache.hadoop.security.token.TokenRenewer

@InterfaceAudience.Public
 @InterfaceStability.Evolving
public abstract class TokenRenewer
extends Object

This is the interface for plugins that handle tokens.

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
TokenRenewer()

メソッドのサマリー

修飾子とタイプ	メソッドと説明
abstract void	cancel(Token<?> token, Configuration conf) Cancel the given token
abstract boolean	handleKind(Text kind) Does this renewer handle this kind of token?
abstract boolean	isManaged(Token<?> token) Is the given token managed?
abstract long	renew(Token<?> token, Configuration conf) Renew the given token.

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

TokenRenewer

public TokenRenewer()

メソッドの詳細

handleKind

public abstract boolean handleKind(Text kind)

Does this renewer handle this kind of token?

パラメータ:

kind - the kind of the token

戻り値:

true if this renewer can renew it

isManaged

public abstract boolean isManaged(Token<?> token)
                           throws IOException

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

パラメータ:

token - the token being checked

戻り値:

true if the token may be renewed or cancelled

例外:

IOException

renew

public abstract long renew(Token<?> token,
                           Configuration conf)
                    throws IOException,
                           InterruptedException

Renew the given token.

戻り値:

the new expiration time

例外:

IOException

InterruptedException

cancel

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

Cancel the given token

例外:

IOException

InterruptedException