@Private @Evolving

Package org.apache.hadoop.hdfs.server.federation.router.security.token

Includes implementations of token secret managers. Implementations should extend AbstractDelegationTokenSecretManager.

Interface Summary

Interface	Description
SQLConnectionFactory	Interface to provide SQL connections to the SQLDelegationTokenSecretManagerImpl.
SQLSecretManagerRetriableHandler	Interface to handle retries when SQLDelegationTokenSecretManagerImpl throws expected errors.
SQLSecretManagerRetriableHandler.SQLCommand<T>
SQLSecretManagerRetriableHandler.SQLCommandVoid

Class Summary

Class	Description
DistributedSQLCounter	Distributed counter that relies on a SQL database to synchronize between multiple clients.
SQLDelegationTokenSecretManagerImpl	An implementation of SQLDelegationTokenSecretManager that persists TokenIdentifiers and DelegationKeys in a SQL database.
ZKDelegationTokenSecretManagerImpl	Zookeeper based router delegation token store implementation.