OperatorEventDispatcher (Flink : Runtime 2.1.0 API)

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

All Methods Instance Methods Abstract Methods
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 Detail
  - 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.