public static int placed = 0, notified = 0; // To count total placed and executed orders
#endregion Fields
#region Methods
static void Main(string[] args)
{
mcb.init_bufferCells();
//2 hotels
hotelSupplier[0] = new HotelSupplier(0);
hotelSupplier[1] = new HotelSupplier(1);
//5 travel agencies
TravelAgency[] travelAgency = new TravelAgency[5];
for (int i = 0; i < 5; i++)
{
travelAgency[i] = new TravelAgency(i);
}
HotelSupplier.priceChange += new priceChangeEvent(travelAgency[0].changeInHotelRoomPrice);
HotelSupplier.priceChange += new priceChangeEvent(travelAgency[1].changeInHotelRoomPrice);
HotelSupplier.priceChange += new priceChangeEvent(travelAgency[2].changeInHotelRoomPrice);
HotelSupplier.priceChange += new priceChangeEvent(travelAgency[3].changeInHotelRoomPrice);
HotelSupplier.priceChange += new priceChangeEvent(travelAgency[4].changeInHotelRoomPrice);
HotelSupplier.bStatus += new bookingStatus(travelAgency[0].RoomStatus);
HotelSupplier.bStatus += new bookingStatus(travelAgency[1].RoomStatus);
HotelSupplier.bStatus += new bookingStatus(travelAgency[2].RoomStatus);
HotelSupplier.bStatus += new bookingStatus(travelAgency[3].RoomStatus);
HotelSupplier.bStatus += new bookingStatus(travelAgency[4].RoomStatus);
Thread hotelSupplier1T1 = new Thread(hotelSupplier[0].hotelFunction); hotelSupplier1T1.Start();
Thread hotelSupplier1T2 = new Thread(hotelSupplier[0].priceFunction); hotelSupplier1T2.Start();
Thread hotelSupplier2T1 = new Thread(hotelSupplier[1].hotelFunction); hotelSupplier2T1.Start();
Thread hotelSupplier2T2 = new Thread(hotelSupplier[1].priceFunction); hotelSupplier2T2.Start();
Thread[] t = new Thread[5];
for (int i = 0; i < 5; i++)
{
t[i] = new Thread(travelAgency[i].agency);
t[i].Start();
}
// Wait for every thread to finish
hotelSupplier1T1.Join();
hotelSupplier2T1.Join();
hotelSupplier1T2.Join();
hotelSupplier2T2.Join();
for (int i = 0; i < 5; i++)
{
t[i].Join();
}
Console.WriteLine("-------------------------------------------------------------------------");
Console.WriteLine("Result:");
Console.WriteLine("Total Orders placed by Travel Agencies: {0}\nTotal Orders processed succesfully by Hotel Suppliers: {1}", placed, notified);
Console.WriteLine("-------------------------------------------------------------------------");
Console.ReadKey();
}
public void placeOrderUsingTravelAgencyThread(HotelSupplier hs)
{
Random rand = new Random();
this.amount = rand.Next(1, 500 - hs.Price);
OrderClass o = new OrderClass(this.senderId, this.cardNo, hs.ReceiverId, this.amount, hs.Price, DateTime.Now.ToString());
String encodedString = Encoder.encode(o, Program.key);
// put this string into buffer
Program.mcb.setOneCell(encodedString);
}
public void orderProcessing()
{
String orderString;
while (true)
{
orderString = Program.mcb.getOneCell();
OrderClass orderObj = Coder.decoder(orderString);
Monitor.Enter(roomPrice);
if (HotelSupplier.checkCreditCardNumber(orderObj.getCardNo()))
{
double amountOfCharge = orderObj.getUnitPrice() * orderObj.getAmt() + taxRate * orderObj.getUnitPrice() * orderObj.getAmt() + locationCharge;
orderObj.setReceiveTime(DateTime.Now);
if (orderCompleted != null)
{
orderCompleted(orderObj, amountOfCharge);
}
}
Monitor.Exit(roomPrice);
}
}
public static void Main(string[] args)
{
HotelSupplier supplier1 = new HotelSupplier();
HotelSupplier supplier2 = new HotelSupplier();
try
{
// Console.WriteLine("********************************************************\n");
Console.WriteLine(" Hotel Block Booking System");
Console.WriteLine(" *************************************\n");
Console.WriteLine("Setup: (1) 3 BufferCells (2) 5 Travel Agency Threads (3) 2 Hotel Supplier Objects");
Console.WriteLine("***********************************************************************************\n");
Console.SetBufferSize(80, 800);
Thread Supplier1 = new Thread(new ThreadStart(supplier1.priceCutFunction)); // Two objects for Hotel Suppliers are instantiated
Thread Supplier2 = new Thread(new ThreadStart(supplier2.priceCutFunction));
Supplier1.Name = "HotelSupplier1"; //setting a name to the thread
Supplier2.Name = "HotelSupplier2";
supplier1.priceCut += new HotelSupplier.PriceCutEvent(TravelAgency.roomDiscount); // Event in HotelSupplier class and the event handler in the travel agency class are linked
supplier2.priceCut += new HotelSupplier.PriceCutEvent(TravelAgency.roomDiscount);
Thread[] travelAgency = new Thread[5]; //creating 5 retailer threads
for (int i = 0; i < 5; i++)
{
travelAgency[i] = new Thread(new ThreadStart(TravelAgency.travelFunc));
travelAgency[i].Name = "Travel Agency " + (i + 1).ToString();
travelAgency[i].IsBackground = false;
travelAgency[i].Start(); //startin the thread
}
Supplier1.Start(); //starting the Supplier1 thread
Supplier2.Start(); //starting the Supplier2 thead
Supplier1.Join();
Supplier2.Join();
}
catch (Exception e)
{
Console.WriteLine("Oops! Error occurred in main method\n" + e.Message);
}
}
public void placeOrder(HotelSupplier hs)
{
Thread t = new Thread(() => this.placeOrderUsingTravelAgencyThread(hs));
t.Start();
}
/// <summary>
/// The main entry point for the application.
/// </summary>
static void Main(string[] args)
{
// Initialize the Hotel Agencies
for (int i = 0; i < K; ++i)
{
HotelSupplier hotelSupplier = new HotelSupplier();
hotelSuppliers[i] = hotelSupplier;
hotelThreads[i] = new Thread(hotelSupplier.Run);
hotelThreads[i].Name = "HotelSupplier_" + i;
hotelThreads[i].Start();
while (!hotelThreads[i].IsAlive)
{
;
}
}
// Initialize the Travel Agencies
for (int i = 0; i < N; ++i)
{
TravelAgency travelAgency = new TravelAgency();
// Loop through the Hotel Suppliers and Subscribe to the Price Cut event
for (int j = 0; j < K; ++j)
{
travelAgency.Subscribe(hotelSuppliers[j]);
}
agencyThreads[i] = new Thread(travelAgency.Run);
agencyThreads[i].Name = "TravelAgency_" + i;
agencyThreads[i].Start();
while (!agencyThreads[i].IsAlive)
{
;
}
}
// Wait for the Hotels to perform P_MAX price cuts
for (int i = 0; i < K; ++i)
{
while (hotelThreads[i].IsAlive)
{
;
}
}
// Alert the Travel Agencies that the Hotels are no longer active
for (int i = 0; i < N; ++i)
{
TravelAgency.HotelsActive = false;
}
// Wait for the Travel Agency to close
for (int i = 0; i < N; ++i)
{
while (agencyThreads[i].IsAlive)
{
;
}
}
Console.WriteLine("\n\nPROGRAM COMPLETED");
// Wait for user to hit a button
Console.WriteLine("HIT ENTER TO QUIT");
Console.ReadLine();
}
static void Main(string[] args)
{
Console.WriteLine("Hotel Booking System");
hs = new HotelSupplier[hsCount];
ta = new TravelAgency[taCount];
Thread[] hst = new Thread[hsCount];
//Create Hotel Supplier
for (int i = 0; i < hsCount; i++)
{
hs[i] = new HotelSupplier(i + 1);
}
//create Travel Agencies
for (int i = 0; i < taCount; i++)
{
ta[i] = new TravelAgency(i + 1, 5000 + i * 2);
}
// create MultiCell Buffer
mcb = new MultiCellBuffer();
// Register travel agencies for priceCut and orderConfirm Events
for (int i = 0; i < hsCount; i++)
{
for (int j = 0; j < taCount; j++)
{
hs[i].priceCut += new priceCutDelegate(ta[j].placeOrder);
}
}
// Start pricing models for all hotel suppliers and this starts the overall program
for (int i = 0; i < hsCount; i++)
{
hst[i] = new Thread(new ThreadStart(hs[i].PricingModel));
hst[i].Start();
l1.Add(hst[i]);
}
// Dispatcher Thread: THis thread is responsible for reading from buffer and deliverying order to Hotel supplier Object
// Hotel supplier will then spawn new thread to process this order
Thread dispatcher = new Thread(new ThreadStart(HotelSupplier.receiveOrder));
dispatcher.Start();
l1.Add(dispatcher);
//wait for all threads to complete
for (int i = 0; i < l1.Count; i++)
{
l1[i].Join();
}
Console.WriteLine("/////////////////////////// \n Done With Booking \n" +
" Main Thread is Stopping \n GrandChildren thread may follow\n" +
"///////////////////////////");
Console.WriteLine();
Console.WriteLine("/////////////////-------Press Any Key to Exit--------------/////////////");
Console.Read();
}
/// <summary>
/// Hook the PriceCut event to the CreateBulkOrder method, so a large order will be placed once the event is fired.
/// </summary>
/// <param name="hotel">Hotel to subscibe to price cut events</param>
public void Subscribe(HotelSupplier hotelSupplier)
{
Console.WriteLine("SUBSCRIBING: Price Cut Event");
hotelSupplier.PriceCut += IssueBulkOrder;
}
