Package org.apache.flink.runtime.operators.coordination

Interface OperatorEventDispatcher

All Known Implementing Classes:
OperatorEventDispatcherImpl
public interface OperatorEventDispatcher
The dispatcher through which Operators receive OperatorEvents and through which they can send OperatorEvents back to the OperatorCoordinator.

  • Method Summary

    Modifier and Type
    Method
    Description
    OperatorEventGateway
    getOperatorEventGateway(OperatorID operatorId)
    Gets the gateway through which events can be passed to the OperatorCoordinator for the operator identified by the given OperatorID.
    void
    registerEventHandler(OperatorID operator, OperatorEventHandler handler)
    Register a listener that is notified every time an OperatorEvent is sent from the OperatorCoordinator (of the operator with the given OperatorID) to this subtask.

  • Method Details

    • registerEventHandler

      void registerEventHandler(OperatorID operator, OperatorEventHandler handler)
      Register a listener that is notified every time an OperatorEvent is sent from the OperatorCoordinator (of the operator with the given OperatorID) to this subtask.

    • getOperatorEventGateway

      OperatorEventGateway getOperatorEventGateway(OperatorID operatorId)
      Gets the gateway through which events can be passed to the OperatorCoordinator for the operator identified by the given OperatorID.