EventProcessorClient.StartProcessingAsync(CancellationToken) Method
Definition
Important
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Signals the EventProcessorClient to begin processing events. Should this method be called while the processor is running, no action is taken.
public override System.Threading.Tasks.Task StartProcessingAsync (System.Threading.CancellationToken cancellationToken = default);override this.StartProcessingAsync : System.Threading.CancellationToken -> System.Threading.Tasks.TaskPublic Overrides Function StartProcessingAsync (Optional cancellationToken As CancellationToken = Nothing) As TaskParameters
- cancellationToken
- CancellationToken
A CancellationToken instance to signal the request to cancel the start operation. This won't affect the EventProcessorClient once it starts running.
Returns
Exceptions
Occurs when this EventProcessorClient instance is already closed.
Occurs when either the ProcessEventAsync handler or ProcessErrorAsync handler has not been registered.
As the processor starts, it will attempt to detect configuration and permissions errors that would prevent it from being able to recover without intervention. For example, an incorrect connection string or the inability to write to the storage container would be detected. These exceptions will be packaged as an AggregateException, and will cause StartProcessingAsync(CancellationToken) to fail.
Applies to
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