org.apache.hadoop.hdfs.server.federation.router.security.token (Apache Hadoop HDFS-RBF 3.5.0 API)
Description: declaration: package: org.apache.hadoop.hdfs.server.federation.router.security.token

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

@Private @Evolving package org.apache.hadoop.hdfs.server.federation.router.security.token
Includes implementations of token secret managers. Implementations should extend `AbstractDelegationTokenSecretManager`.

- Related Packages
  Package
  Description
  org.apache.hadoop.hdfs.server.federation.router.security
  Includes router security manager and token store implementations.
- Class
  Description
  DistributedSQLCounter
  Distributed counter that relies on a SQL database to synchronize between multiple clients.
  SQLConnectionFactory
  Interface to provide SQL connections to the `SQLDelegationTokenSecretManagerImpl`.
  SQLDelegationTokenSecretManagerImpl
  An implementation of `SQLDelegationTokenSecretManager` that persists TokenIdentifiers and DelegationKeys in a SQL database.
  SQLSecretManagerRetriableHandler
  Interface to handle retries when `SQLDelegationTokenSecretManagerImpl` throws expected errors.
  SQLSecretManagerRetriableHandler.SQLCommand<T>
  SQLSecretManagerRetriableHandler.SQLCommandVoid
  ZKDelegationTokenSecretManagerImpl
  Zookeeper based router delegation token store implementation.