static void Main()
{
// Get MSMQ queue name from app settings in configuration
string deadLetterQueueName = ConfigurationManager.AppSettings["deadLetterQueueName"];
// Create the transacted MSMQ queue for storing dead message if necessary.
if (!MessageQueue.Exists(deadLetterQueueName))
MessageQueue.Create(deadLetterQueueName, true);
// Create a proxy with given client endpoint configuration
OrderProcessorClient client = new OrderProcessorClient("OrderProcessorEndpoint");
// Create the purchase order
PurchaseOrder po = new PurchaseOrder();
po.CustomerId = "somecustomer.com";
po.PONumber = Guid.NewGuid().ToString();
PurchaseOrderLineItem lineItem1 = new PurchaseOrderLineItem();
lineItem1.ProductId = "Blue Widget";
lineItem1.Quantity = 54;
lineItem1.UnitCost = 29.99F;
PurchaseOrderLineItem lineItem2 = new PurchaseOrderLineItem();
lineItem2.ProductId = "Red Widget";
lineItem2.Quantity = 890;
lineItem2.UnitCost = 45.89F;
po.orderLineItems = new PurchaseOrderLineItem[2];
po.orderLineItems[0] = lineItem1;
po.orderLineItems[1] = lineItem2;
//Create a transaction scope.
using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required))
{
// Make a queued call to submit the purchase order
client.SubmitPurchaseOrder(po);
// Complete the transaction.
scope.Complete();
}
client.Close();
Console.WriteLine();
Console.WriteLine("Press <ENTER> to terminate client.");
Console.ReadLine();
}
public void SubmitPurchaseOrder(PurchaseOrder po)
{
Console.WriteLine("Submitting purchase order did not succeed ", po);
MsmqMessageProperty mqProp = OperationContext.Current.IncomingMessageProperties[MsmqMessageProperty.Name] as MsmqMessageProperty;
Console.WriteLine("Message Delivery Status: {0} ", mqProp.DeliveryStatus);
Console.WriteLine("Message Delivery Failure: {0}", mqProp.DeliveryFailure);
Console.WriteLine();
// resend the message if timed out
if (mqProp.DeliveryFailure == DeliveryFailure.ReachQueueTimeout ||
mqProp.DeliveryFailure == DeliveryFailure.ReceiveTimeout)
{
// re-send
Console.WriteLine("Purchase order Time To Live expired");
Console.WriteLine("Trying to resend the message");
// reuse the same transaction used to read the message from dlq to enqueue the message to app. queue
orderProcessorService.SubmitPurchaseOrder(po);
Console.WriteLine("Purchase order resent");
}
}
public static void Add(PurchaseOrder po)
{
purchaseOrders.Add(po.PONumber, po);
}
public void SubmitPurchaseOrder(PurchaseOrder po)
{
Orders.Add(po);
Console.WriteLine("Processing {0} ", po);
}
