public interface JobMasterOperatorEventGateway
OperatorEventfrom the Task Manager to to the
OperatorCoordinatoron the JobManager side.
This is the first step in the chain of sending Operator Events from Operator to Coordinator. Each layer adds further context, so that the inner layers do not need to know about the complete context, which keeps dependencies small and makes testing easier.
OperatorEventGatewaytakes the event, enriches the event with the
OperatorID, and forwards it to:
TaskOperatorEventGatewayenriches the event with the
ExecutionAttemptIDand forwards it to the:
JobMasterOperatorEventGatewaywhich is RPC interface from the TaskManager to the JobManager.
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