Package org.apache.flink.runtime.security.token

Class NoOpDelegationTokenManager

java.lang.Object

org.apache.flink.runtime.security.token.NoOpDelegationTokenManager

All Implemented Interfaces:

DelegationTokenManager

@Internal
public class NoOpDelegationTokenManager
extends Object
implements DelegationTokenManager

DelegationTokenManager implementation which does nothing.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.security.token.DelegationTokenManager

DelegationTokenManager.Listener

Constructor Summary

Constructors

Constructor	Description
NoOpDelegationTokenManager()

Method Summary

Modifier and Type	Method	Description
void	obtainDelegationTokens()	Obtains new tokens in a one-time fashion and automatically distributes them to all local JVM receivers.
void	obtainDelegationTokens(DelegationTokenContainer container)	Obtains new tokens in a one-time fashion and leaves it up to the caller to distribute them.
void	start(DelegationTokenManager.Listener listener)	Creates a re-occurring task which obtains new tokens and automatically distributes them to all receivers (in local JVM as well as in registered task managers too).
void	stop()	Stops re-occurring token obtain task.

Methods inherited from class java.lang.Object

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

Constructor Details

NoOpDelegationTokenManager

public NoOpDelegationTokenManager()

Method Details

obtainDelegationTokens

public void obtainDelegationTokens(DelegationTokenContainer container)

Description copied from interface: DelegationTokenManager

Obtains new tokens in a one-time fashion and leaves it up to the caller to distribute them.

Specified by:

obtainDelegationTokens in interface DelegationTokenManager

obtainDelegationTokens

public void obtainDelegationTokens()

Description copied from interface: DelegationTokenManager

Obtains new tokens in a one-time fashion and automatically distributes them to all local JVM receivers.

Specified by:

obtainDelegationTokens in interface DelegationTokenManager

start

public void start(DelegationTokenManager.Listener listener)

Description copied from interface: DelegationTokenManager

Creates a re-occurring task which obtains new tokens and automatically distributes them to all receivers (in local JVM as well as in registered task managers too). Task manager distribution must be implemented in the listener logic in order to keep the manager logic clean.

Specified by:

start in interface DelegationTokenManager

stop

public void stop()

Description copied from interface: DelegationTokenManager

Stops re-occurring token obtain task.

Specified by:

stop in interface DelegationTokenManager