# Package org.apache.storm.nimbus

package org.apache.storm.nimbus

- Related Packages
  Package
  Description
  org.apache.storm
- Class
  Description
  AssignmentDistributionService
  A service for distributing master assignments to supervisors, this service makes the assignments notification asynchronous.
  DefaultTopologyValidator
  ILeaderElector
  The interface for leader election.
  ITopologyActionNotifierPlugin
  A plugin interface that gets invoked any time there is an action for a topology.
  ITopologyValidator
  IWorkerHeartbeatsRecoveryStrategy
  Interface for strategy to recover heartbeats when master gains leadership.
  LeaderListenerCallback
  A callback function when nimbus gains leadership.
  NimbusHeartbeatsPressureTest
  Test for nimbus heartbeats max throughput, This is a client to collect the statistics.
  NimbusInfo
  StrictTopologyValidator
  TimeOutWorkerHeartbeatsRecoveryStrategy
  Wait for a node to report worker heartbeats until a configured timeout.
  WorkerHeartbeatsRecoveryStrategyFactory
  Factory class for recovery strategy.