Package org.apache.hadoop.yarn.server.resourcemanager

Interface EmbeddedElector

All Superinterfaces:
AutoCloseable, Closeable, org.apache.hadoop.service.Service
All Known Implementing Classes:
ActiveStandbyElectorBasedElectorService, CuratorBasedElectorService
@Private @Unstable public interface EmbeddedElector extends org.apache.hadoop.service.Service
Interface that all embedded leader electors must implement.

  • Nested Class Summary

    Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

    org.apache.hadoop.service.Service.STATE

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    getZookeeperConnectionState()
    Get information about the elector's connection to Zookeeper.
    void
    rejoinElection()
    Leave and rejoin leader election.

    Methods inherited from interface org.apache.hadoop.service.Service

    close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, registerServiceListener, start, stop, unregisterServiceListener, waitForServiceToStop

  • Method Details

    • rejoinElection

      void rejoinElection()
      Leave and rejoin leader election.

    • getZookeeperConnectionState

      String getZookeeperConnectionState()
      Get information about the elector's connection to Zookeeper.
      Returns:
      zookeeper connection state