//002_2: Function that records the sales
//performed on the billing desk
public void Sales(ProductStock prod,
int howmuch)
{
Console.WriteLine(
"{0} Sold {1} numbers",
prod.ProductName,
howmuch);
prod.ReduceStock(howmuch);
}
static void Main(string[] args)
{
//Client 001: Create Billing Counters
Counter billing_counter1 =
new Counter("Jupiter");
Counter billing_counter2 =
new Counter("Saturn");
//Client 002: Create the Product Stocks
ProductStock prod1 = new ProductStock(
"Godrej Fridge", 7);
ProductStock prod2 = new ProductStock(
"Sony CD Player", 6);
ProductStock prod3 = new ProductStock(
"Sony DVD", 800);
//Client 003: Couple the Event with
//the Handler through the Delegate.
prod1.StockLow +=
new ProductStock.OnStockLow(
billing_counter1.LowStockHandler);
prod2.StockLow +=
new ProductStock.OnStockLow(
billing_counter1.LowStockHandler);
prod1.StockLow +=
new ProductStock.OnStockLow(
billing_counter2.LowStockHandler);
prod2.StockLow +=
new ProductStock.OnStockLow(
billing_counter2.LowStockHandler);
//Client 004: Now Let us Start serving
//the customers on the Queue on
//each counter
billing_counter1.Sales(prod1, 1);
billing_counter2.Sales(prod1, 2);
billing_counter2.Sales(prod3, 70);
billing_counter2.Sales(prod2, 1);
billing_counter1.Sales(prod2, 3);
billing_counter1.Sales(prod3, 5);
Console.ReadKey();
}