Package org.apache.flink.runtime.leaderretrieval

Interface LeaderRetrievalDriverFactory

All Known Implementing Classes:
ZooKeeperLeaderRetrievalDriverFactory
public interface LeaderRetrievalDriverFactory
Factory for creating LeaderRetrievalDriver with different implementation.

  • Method Details

    • createLeaderRetrievalDriver

      LeaderRetrievalDriver createLeaderRetrievalDriver(LeaderRetrievalEventHandler leaderEventHandler, org.apache.flink.runtime.rpc.FatalErrorHandler fatalErrorHandler) throws Exception
      Create a specific LeaderRetrievalDriver and start the necessary services. For example, NodeCache in Zookeeper, ConfigMap watcher in Kubernetes. They could get the leader information change events and need to notify the leader listener by LeaderRetrievalEventHandler.
      Parameters:
      leaderEventHandler - handler for the leader retrieval driver to notify leader change events.
      fatalErrorHandler - fatal error handler
      Throws:
      Exception - when create a specific LeaderRetrievalDriver implementation and start the necessary services.