public override void ConsumeData()
{
try
{
using (var connection = RabbitMQConnectionHelper.GetConnection())
{
using (var channel = connection.CreateModel())
{
//ustalamy,że będzie pobierał jeden item z kolejki i przetwarzał
channel.BasicQos(0, 1, false);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
HandleReceivedEvent(ea, channel);
};
//podłączenie konsumenta do kolejki
channel.BasicConsume(queue: _queueReceiveFrom,
consumer: consumer);
Console.ReadLine();
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
throw e;
}
}
private void GetObtainedSignalsFromQueue(int countedTechnicalIndicatorsNumber)
{
try
{
using (var connection = RabbitMQConnectionHelper.GetConnection())
{
using (var channel = connection.CreateModel())
{
//ustalamy,że będzie pobierał jeden item z kolejki i przetwarzał
channel.BasicQos(0, 1, false);
for (int i = 0; i < countedTechnicalIndicatorsNumber; i++)
{
BasicGetResult data;
do
{
data = channel.BasicGet(_queueReceiveFrom, false);
} while (data == null);
List <Signal> currentReceivedSignals = JsonSerializer.JsonStringToCollectionOfObjectsTypes <Signal>(EncryptionHelper.ByteArrayToUTF8String(data.Body));
_obtainedSignals.Add(currentReceivedSignals);
Console.WriteLine("RabbitMQ Producer received signals from Consumers.");
channel.BasicAck(data.DeliveryTag, false);
}
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
public override void Process(IndicatorCalculationElements elements)
{
try
{
using (var connection = RabbitMQConnectionHelper.GetConnection())
{
using (var channel = connection.CreateModel())
{
//umożliwia potwierdzanie, że przesyłkę dostarczono do Exchange
channel.ConfirmSelect();
//generujemy nową wiadomość
GenerateAndPublishMessage(channel, elements);
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
throw e;
}
}
