AuthenticationTokenKeyManager (Apache Accumulo Server Base 3.0.0 API)

java.lang.Object
- org.apache.accumulo.server.security.delegation.AuthenticationTokenKeyManager

All Implemented Interfaces:

Runnable
```
public class AuthenticationTokenKeyManager
extends Object
implements Runnable
```
Service that handles generation of the secret key used to create delegation tokens.

Constructor Summary

Constructors
Constructor	Description
`AuthenticationTokenKeyManager(AuthenticationTokenSecretManager mgr, ZooAuthenticationKeyDistributor dist, long keyUpdateInterval, long tokenMaxLifetime)`	Construct the key manager which will generate new AuthenticationKeys to generate and verify delegation tokens

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type Method Description

void gracefulStop()

boolean isInitialized()

void run()
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AuthenticationTokenKeyManager
```
public AuthenticationTokenKeyManager(AuthenticationTokenSecretManager mgr,
                                     ZooAuthenticationKeyDistributor dist,
                                     long keyUpdateInterval,
                                     long tokenMaxLifetime)
```
    Construct the key manager which will generate new AuthenticationKeys to generate and verify delegation tokens
    
    Parameters:
    
    mgr - The SecretManager in use
    
    dist - The implementation to distribute AuthenticationKeys to ZooKeeper
    
    keyUpdateInterval - The frequency, in milliseconds, that new AuthenticationKeys are created
    
    tokenMaxLifetime - The lifetime, in milliseconds, of generated AuthenticationKeys (and subsequently delegation tokens).
- Method Detail
  - isInitialized
```
public boolean isInitialized()
```
  - gracefulStop
```
public void gracefulStop()
```
  - run
```
public void run()
```
    Specified by:
    
    run in interface Runnable