private static void CheckIfProductInStock(MessageQueue responseQueue, ProductInStockRequest request)
{
Console.WriteLine("\tchecking if product with the id '" + request.ProductId + "' is in stock");
// get stock...
var response = new ProductInStockResponse
{
Stock = 8
};
// send response back
using (var queue = responseQueue)
{
var message = new Message
{
BodyStream = response.ToJsonStream(),
Label = responseQueue.GetMessageType()
};
queue.Send(message);
}
Console.WriteLine("\tcurrently are '" + response.Stock + "' in stock");
Console.WriteLine("\tstock sent...");
Console.WriteLine();
}
public int GetCurrentStock(int productId)
{
// create new queue where the application service
// is going to listen for the respnse => stock amount
var responseAddress = Guid.NewGuid().ToString().Substring(0, 8);
responseAddress = @".\private$\" + responseAddress;
try
{
// create response queue for listening
var responseQueue = MessageQueue.Create(responseAddress);
// create request object
var request = new ProductInStockRequest
{
ProductId = productId
};
// create reuest queue and send message
using (var requestQueue = new MessageQueue(RequestQueue))
{
var message = new Message
{
BodyStream = request.ToJsonStream(),
Label = request.GetMessageType(),
ResponseQueue = responseQueue
};
requestQueue.Send(message);
}
// wait for the response
var response = responseQueue.Receive();
if (response == null)
{
return(0);
}
var responseBody = response.BodyStream.ReadFromJson <ProductInStockResponse>();
return(responseBody.Stock);
}
catch (Exception ex)
{
Debugger.Break();
throw;
}
finally
{
if (MessageQueue.Exists(responseAddress))
{
MessageQueue.Delete(responseAddress);
}
}
}
