// Processes two types of events
// 1) Event hub events
// 2) Maximum wait events. These are generated when we have not received an event hub
// event for a certain time period and this event is used to flush events in the current window.
protected virtual async Task ProcessEventHandler(ProcessEventArgs eventArgs)
{
if (eventArgs.CancellationToken.IsCancellationRequested)
{
// The event arguments contain a cancellation token that the EventProcessorClient uses to signal the handler that processing should cease as soon as possible.
// This is most commonly seen when the EventProcessorClient is stopping or has encountered an unrecoverable problem.
Logger.LogTrace($"ProcessEventArgs contain a cancellation request {eventArgs.Partition.PartitionId}");
return;
}
IEventMessage evt;
if (eventArgs.HasEvent)
{
evt = EventMessageFactory.CreateEvent(eventArgs);
}
else
{
evt = new MaximumWaitEvent(eventArgs.Partition.PartitionId, DateTime.UtcNow);
}
await EventConsumerService.ConsumeEvent(evt);
}
