public Task StartAsync(CancellationToken cancellationToken)
{
ThrowIfDisposed();
if (_started)
{
throw new InvalidOperationException("The listener has already been started.");
}
_channel = _service.GetChannel();
_channel.BasicQos(0, _batchNumber, false);
_consumer = new EventingBasicConsumer(_channel);
_consumer.Received += (model, ea) =>
{
if (_batchNumber == 1)
{
_executor.TryExecuteAsync(new TriggeredFunctionData()
{
TriggerValue = ea
}, cancellationToken);
}
else if (batchedMessages.Count >= _batchNumber)
{
batchedMessages.Add(ea);
_executor.TryExecuteAsync(new TriggeredFunctionData()
{
TriggerValue = batchedMessages
}, cancellationToken);
}
else
{
batchedMessages.Add(ea);
}
};
_consumerTag = _channel.BasicConsume(queue: _queueName, autoAck: true, consumer: _consumer);
_started = true;
return(Task.CompletedTask);
}
