protected override async Task RunAsync(CancellationToken cancellationToken)
{
cancellationToken.Register(() => _logger.LogInformation($"{nameof(RunAsync)} is being cancelled"));
try
{
await Execution
.ExecuteAsync(cancellationToken,
_logger, _serviceEventSource,
nameof(ReceiverService), Context.PartitionId.ToString(),
async ct =>
{
await _switch(cancellationToken);
cancellationToken.ThrowIfCancellationRequested();
var options = new EventProcessorOptions
{
OnShutdown = OnShutdown,
MaxBatchSize = MaxMessageCount,
PrefetchCount = MaxMessageCount,
InitialPositionProvider = s =>
{
_logger.LogInformation("Using InitialPositionProvider for {s}", s);
return(_initialPositionProvider(s));
}
};
_logger.LogInformation("Create ServiceFabricProcessor with {ConsumerGroup}", _options.ConsumerGroup);
var processorService = new ServiceFabricProcessor(
Context.ServiceName,
Context.PartitionId,
StateManager,
Partition,
CreateProcessor(_options, _telemetryClient, _logger, _serviceEventSource, _eventHandlerCreator),
_options.ConnectionString,
_options.ConsumerGroup,
options);
await processorService.RunAsync(cancellationToken);
});
}
catch (FabricTransientException e)
{
_logger.LogError(e, nameof(ReceiverService) + "Exception .RunAsync for {PartitionId}", Context.PartitionId);
}
}
protected override async Task RunAsync(CancellationToken cancellationToken)
{
EventProcessorOptions options = new EventProcessorOptions();
options.OnShutdown = OnShutdown;
string eventHubConnectionString = "------------------------------EVENT HUB CONNECTION STRING GOES HERE ----------------------------";
ServiceFabricProcessor processorService = new ServiceFabricProcessor(this.Context.ServiceName, this.Context.PartitionId, this.StateManager, this.Partition,
new SampleEventProcessor(), eventHubConnectionString, "$Default", options);
Task processing = processorService.RunAsync(cancellationToken);
// If there is nothing else to do, application can simply await on the task here instead of polling keepgoing
while (this.keepgoing)
{
// Do other stuff here
Thread.Sleep(1000);
}
await processing;
// The await may throw if there was an error.
}