//To get order from the order buffer cell
public OrderClass getOneCell()
{
Monitor.Enter(this);
read_pool.WaitOne();
OrderClass orderOutput = null;
lock (this)
{
while (count <= 0)
{
try
{
Monitor.Wait(this); //If no cells are full, the current thread waits
}
catch { }
}
orderOutput = orders_buffer[read_index]; //reading an order
if (orderOutput != null)
{
this.orders_buffer[read_index] = null;
read_index = (read_index + 1) % 2;
count--;
Console.WriteLine("Order {0} is fetched from the buffer cell", orderOutput.getSenderId());
}
read_pool.Release();
Monitor.Pulse(this);
Monitor.Exit(this);
}
return(orderOutput);
}
// method to instantiate a new thread to process the order
public static void processOrder(OrderClass order, double unitPrice)
{
if (validateCreditCard(order.getCardNo())) //checking the validity of the credit card
{
double tax = unitPrice * order.getAmount() * TaxPercentage; //tax=unitprice * orderamount * 0.06
double totalCharge = unitPrice * order.getAmount() + tax + LocationCharge; //totalcharge=unitprice * orderamount + tax + locationcharge
orderProcessed(order.getSenderId(), Convert.ToInt32(totalCharge), unitPrice, order.getAmount());
}
else
{
Console.WriteLine("Invalid credit card number");
}
}
//method to receive an OrderObject from the MultiCellBuffer
public void runOrderFunc()
{
OrderClass order = Program.multiCellBuffer.getOneCell(); //to fetch an order from MultiCellBuffer
Console.WriteLine("creating a new orderProcessing thread to process {0} order for {1} tickets for the price ${2}", order.getSenderId(), order.getAmount(), getcurrent_price());
Thread threadObj = new Thread(() => OrderProcessing.processOrder(order, getcurrent_price())); //creating a new orderProcessing thread to process the order
threadObj.Start(); // start the thread to process the request
}