public async Task <OperationResult <TMsg> > GetAsync(Func <ICarrot <TMsg>, Task> handle)
{
var operationResult = new OperationResult <TMsg>();
try
{
await Task.Run(async() =>
{
var result = _thisChannel.Channel.BasicGet(_consumeFromQueue, _autoAck);
if (result != null)
{
var msg = _deserialize(result.Body);
var carrot = new Carrot <TMsg>(msg, result.DeliveryTag, _thisChannel);
await handle(carrot);
operationResult.IsSuccess = true;
operationResult.State = OperationState.Get;
operationResult.Message = msg;
}
else
{
operationResult.IsSuccess = false;
operationResult.State = OperationState.GetFailed;
}
});
}
catch (System.Exception ex)
{
operationResult.IsSuccess = false;
operationResult.Error = ex;
}
return(operationResult);
}
private async void HandleReceived(object channel, BasicDeliverEventArgs deliverd)
{
Carrot <TMsg> carrot = null;
try
{
TMsg message = _deserialize(deliverd.Body);
carrot = new Carrot <TMsg>(message, deliverd.DeliveryTag, _thisChannel)
{
MessageProperties = deliverd.BasicProperties
};
await _receive(carrot);
if (_autoAck == false)
{
await carrot.SendAckAsync();
}
}
catch (System.Exception ex)
{
if (carrot != null)
{
await carrot.SendNackAsync(withRequeue : true);
}
}
}