public static void Demo()
{
// Setup Chain of Responsibility
Approver rohit = new Clerk();
Approver rahul = new AssistantManager();
Approver manoj = new Manager();
rohit.Successor = rahul;
rahul.Successor = manoj;
// Generate and process loan requests
var loan = new Loan {
Number = 2034, Amount = 24000.00, Purpose = "Laptop Loan"
};
rohit.ProcessRequest(loan);
loan = new Loan {
Number = 2035, Amount = 42000.10, Purpose = "Bike Loan"
};
rohit.ProcessRequest(loan);
loan = new Loan {
Number = 2036, Amount = 156200.00, Purpose = "House Loan"
};
rohit.ProcessRequest(loan);
// Wait for user
Console.ReadKey();
}
static void Main(string[] args)
{
Approver diego = new Clerk();
Approver cesar = new AssistantManager();
Approver jones = new Manager();
diego.Successor = cesar;
cesar.Successor = jones;
// Generate and process loan requests
var loan = new Loan {
Number = 2034, Amount = 23000, Purpose = "Car Loan"
};
diego.ProcessRequest(loan);
loan = new Loan {
Number = 2035, Amount = 44500, Purpose = "Motorcycle Loan"
};
diego.ProcessRequest(loan);
loan = new Loan {
Number = 2036, Amount = 156200, Purpose = "Apartament Loan"
};
diego.ProcessRequest(loan);
Console.WriteLine("Press any key to continue!");
Console.ReadKey();
}
private static void Main(string[] args)
{
#region AbstactFactoryDesignPattern
/* Factory factory = new Factory();
* IVehicleFactory bike = factory.GetVehicle(EVehicleType.Bike);
* bike.Drive();
* IVehicleFactory scooter = factory.GetVehicle(EVehicleType.Scooter);
* scooter.Drive();
* IVehicleFactory car = factory.GetVehicle(EVehicleType.Car);
* car.Drive();
* IVehicleFactory bus = factory.GetVehicle(EVehicleType.Bus);
* bus.Drive();
* IVehicleFactory lorry = factory.GetVehicle(EVehicleType.Lorry);
* lorry.Drive();
* IVehicleFactory train = factory.GetVehicle(EVehicleType.Train);
* train.Drive();
* IVehicleFactory ship = factory.GetVehicle(EVehicleType.Ship);
* ship.Drive();
* IVehicleFactory helicopter = factory.GetVehicle(EVehicleType.Helicopter);
* helicopter.Drive();
*/
#endregion AbstactFactoryDesignPattern
#region Adapter
ITarget Itarget = new EmployeeAdapter();
ThirdPartyBillingSystem client = new ThirdPartyBillingSystem(Itarget);
client.ShowEmployeeList();
#endregion Adapter
#region Bridge
IMessageSender email = new EmailSender();
IMessageSender queue = new MSMQSender();
IMessageSender web = new WebServiceSender();
Message message = new SystemMessage();
message.Subject = "Test Message";
message.Body = "Hi, This is a Test Message";
message.MessageSender = email;
message.Send();
message.MessageSender = queue;
message.Send();
message.MessageSender = web;
message.Send();
UserMessage usermsg = new UserMessage();
usermsg.Subject = "Test Message";
usermsg.Body = "Hi, This is a Test Message";
usermsg.UserComments = "I hope you are well";
usermsg.MessageSender = email;
usermsg.Send();
#endregion Bridge
#region Builder
var vehicleCreator = new VehicleCreator(new HeroBuilder());
vehicleCreator.CreateVehicle();
var vehicle = vehicleCreator.GetVehicle();
vehicle.ShowInfo();
Console.WriteLine("---------------------------------------------");
vehicleCreator = new VehicleCreator(new HondaBuilder());
vehicleCreator.CreateVehicle();
vehicle = vehicleCreator.GetVehicle();
vehicle.ShowInfo();
#endregion Builder
#region ChainOfResponsiblity
Approver rohit = new Clerk();
Approver rahul = new AssistantManager();
Approver manoj = new Manager();
rohit.Successor = rahul;
rahul.Successor = manoj;
// Generate and process loan requests
var loan = new Loan {
Number = 2034, Amount = 24000.00, Purpose = "Laptop Loan"
};
rohit.ProcessRequest(loan);
loan = new Loan {
Number = 2035, Amount = 42000.10, Purpose = "Bike Loan"
};
rohit.ProcessRequest(loan);
loan = new Loan {
Number = 2036, Amount = 156200.00, Purpose = "House Loan"
};
rohit.ProcessRequest(loan);
#endregion ChainOfResponsiblity
#region Command
Console.WriteLine("Enter Commands (ON/OFF) : ");
string cmd = Console.ReadLine();
Light lamp = new Light();
ICommand switchUp = new FlipUpCommand(lamp);
ICommand switchDown = new FlipDownCommand(lamp);
Switch s = new Switch();
if (cmd == "ON")
{
s.StoreAndExecute(switchUp);
}
else if (cmd == "OFF")
{
s.StoreAndExecute(switchDown);
}
else
{
Console.WriteLine("Command \"ON\" or \"OFF\" is required.");
}
#endregion Command
#region Composite
Employee Rahul = new Employee {
EmpID = 1, Name = "Rahul"
};
Employee Amit = new Employee {
EmpID = 2, Name = "Amit"
};
Employee Mohan = new Employee {
EmpID = 3, Name = "Mohan"
};
Rahul.AddSubordinate(Amit);
Rahul.AddSubordinate(Mohan);
Employee Rita = new Employee {
EmpID = 4, Name = "Rita"
};
Employee Hari = new Employee {
EmpID = 5, Name = "Hari"
};
Amit.AddSubordinate(Rita);
Amit.AddSubordinate(Hari);
Employee Kamal = new Employee {
EmpID = 6, Name = "Kamal"
};
Employee Raj = new Employee {
EmpID = 7, Name = "Raj"
};
Contractor Sam = new Contractor {
EmpID = 8, Name = "Sam"
};
Contractor tim = new Contractor {
EmpID = 9, Name = "Tim"
};
Mohan.AddSubordinate(Kamal);
Mohan.AddSubordinate(Raj);
Mohan.AddSubordinate(Sam);
Mohan.AddSubordinate(tim);
Console.WriteLine("EmpID={0}, Name={1}", Rahul.EmpID, Rahul.Name);
foreach (Employee manager in Rahul)
{
Console.WriteLine("\n EmpID={0}, Name={1}", manager.EmpID, manager.Name);
foreach (var employee in manager)
{
Console.WriteLine(" \t EmpID={0}, Name={1}", employee.EmpID, employee.Name);
}
}
#endregion Composite
#region Decorator
HondaCity car = new HondaCity();
Console.WriteLine("Honda City base price are : {0}", car.Price);
SpecialOffer offer = new SpecialOffer(car);
offer.DiscountPercentage = 25;
offer.Offer = "25 % discount";
Console.WriteLine("{1} @ Diwali Special Offer and price are : {0} ", offer.Price, offer.Offer);
#endregion Decorator
#region Facade
CarFacade facade = new CarFacade();
facade.CreateCompleteCar();
#endregion Facade
#region Flyweight
ShapeObjectFactory sof = new ShapeObjectFactory();
IShape shape = sof.GetShape("Rectangle");
shape.Print();
shape = sof.GetShape("Rectangle");
shape.Print();
shape = sof.GetShape("Rectangle");
shape.Print();
shape = sof.GetShape("Circle");
shape.Print();
shape = sof.GetShape("Circle");
shape.Print();
shape = sof.GetShape("Circle");
shape.Print();
int NumObjs = sof.TotalObjectsCreated;
Console.WriteLine("\nTotal No of Objects created = {0}", NumObjs);
#endregion Flyweight
#region FactoryDesignPattern
Factory factory = new Factory();
FactoryDesignPattern.IVehicleFactory bike = factory.GetVehicle(EVehicleType.Bike);
bike.Drive();
FactoryDesignPattern.IVehicleFactory scooter = factory.GetVehicle(EVehicleType.Scooter);
scooter.Drive();
FactoryDesignPattern.IVehicleFactory fcar = factory.GetVehicle(EVehicleType.Car);
fcar.Drive();
FactoryDesignPattern.IVehicleFactory bus = factory.GetVehicle(EVehicleType.Bus);
bus.Drive();
FactoryDesignPattern.IVehicleFactory lorry = factory.GetVehicle(EVehicleType.Lorry);
lorry.Drive();
FactoryDesignPattern.IVehicleFactory train = factory.GetVehicle(EVehicleType.Train);
train.Drive();
FactoryDesignPattern.IVehicleFactory ship = factory.GetVehicle(EVehicleType.Ship);
ship.Drive();
FactoryDesignPattern.IVehicleFactory helicopter = factory.GetVehicle(EVehicleType.Helicopter);
helicopter.Drive();
#endregion FactoryDesignPattern
#region Prototype
Developer dev = new Developer();
dev.Name = "Rahul";
dev.Role = "Team Leader";
dev.PreferredLanguage = "C#";
Developer devCopy = (Developer)dev.Clone();
devCopy.Name = "Arif"; //Not mention Role and PreferredLanguage, it will copy above
Console.WriteLine(dev.GetDetails());
Console.WriteLine(devCopy.GetDetails());
Typist typist = new Typist();
typist.Name = "Monu";
typist.Role = "Typist";
typist.WordsPerMinute = 120;
Typist typistCopy = (Typist)typist.Clone();
typistCopy.Name = "Sahil";
typistCopy.WordsPerMinute = 115;//Not mention Role, it will copy above
Console.WriteLine(typist.GetDetails());
Console.WriteLine(typistCopy.GetDetails());
#endregion Prototype
#region Proxy
ProxyClient proxy = new ProxyClient();
Console.WriteLine("Data from Proxy Client = {0}", proxy.GetData());
#endregion Proxy
#region Singleton
EagerSingleton.Instance.Show();
LazySingleton.Instance.Show();
Singleton.Instance.Show();
#endregion Singleton
Console.ReadKey();
}
static void Main(string[] args)
{
//Behavioral Patterns
Console.WriteLine("Behavioral");
// Wait for user
Console.ReadKey();
//1 - Command
Console.WriteLine("Command");
Console.WriteLine("Enter Commands (ON/OFF) : ");
string cmd = Console.ReadLine();
Light lamp = new Light();
ICommand switchUp = new FlipUpCommand(lamp);
ICommand switchDown = new FlipDownCommand(lamp);
Switch s = new Switch();
if (cmd == "ON")
{
s.StoreAndExecute(switchUp);
}
else if (cmd == "OFF")
{
s.StoreAndExecute(switchDown);
}
else
{
Console.WriteLine("Command \"ON\" or \"OFF\" is required");
}
// Wait for user
Console.ReadKey();
//2 - Chain of responsability
Console.WriteLine("Chain of responsability");
Approver rohit = new Clerk();
Approver rahul = new AssistantManager();
Approver manoj = new Manager();
rohit.Successor = rahul;
rahul.Successor = manoj;
var loan = new Loan {
Number = 2034, Amount = 24000.00, Purpose = "Laptop Loan"
};
rohit.ProcessRequest(loan);
loan = new Loan {
Number = 2035, Amount = 42000.10, Purpose = "Bike Loan"
};
rohit.ProcessRequest(loan);
loan = new Loan {
Number = 2036, Amount = 156200.00, Purpose = "House Loan"
};
rohit.ProcessRequest(loan);
// Wait for user
Console.ReadKey();
//3 - Memento
Console.WriteLine("Memento");
SalesProspect sp = new SalesProspect();
sp.Name = "Noel van Halen";
sp.Phone = "(412) 256-0990";
sp.Budget = 25000.0;
// Store internal state
ProspectMemory m = new ProspectMemory();
m.Memento = sp.SaveMemento();
// Continue changing originator
sp.Name = "Leo Welch";
sp.Phone = "(310) 209-7111";
sp.Budget = 1000000.0;
// Restore saved state
sp.RestoreMemento(m.Memento);
// Wait for user
Console.ReadKey();
//Creational Patterns
Console.WriteLine("Creational");
// Wait for user
Console.ReadKey();
//1-Singleton
Console.WriteLine("Singleton");
Singleton.Instance.Show();
// Wait for user
Console.ReadKey();
//2-Prototype
Console.WriteLine("Prototype");
Developper dev = new Developper {
Name = "Antoine", Role = "Team Leader", PrefferedLanguage = "C#", WordsPerMinute = 42
};
Typist typ = new Typist {
Name = "Casper", Role = "Typist", WordsPerMinute = 175
};
Console.WriteLine(typ.GetDetails());
Console.WriteLine(dev.GetDetails());
// Wait for user
Console.ReadKey();
//3-AbstractFactory
Console.WriteLine("Abstract Factory");
DesignPatterns.Creational.AbstractFactory.Sample.VehiculeFactory honda = new HondaFactory();
VehiculeClient hondaclient = new VehiculeClient(honda, "Regular");
Console.WriteLine("****** Honda ******");
Console.WriteLine(hondaclient.GetBikeName());
Console.WriteLine(hondaclient.GetScooterName());
VehiculeClient hondaclient2 = new VehiculeClient(honda, "Sports");
Console.WriteLine(hondaclient.GetBikeName());
Console.WriteLine(hondaclient.GetScooterName());
DesignPatterns.Creational.AbstractFactory.Sample.VehiculeFactory hero = new HondaFactory();
VehiculeClient heroclient = new VehiculeClient(hero, "Regular");
Console.WriteLine("****** Hero ******");
Console.WriteLine(heroclient.GetBikeName());
Console.WriteLine(heroclient.GetScooterName());
VehiculeClient heroclient2 = new VehiculeClient(hero, "Sports");
Console.WriteLine(heroclient.GetBikeName());
Console.WriteLine(heroclient.GetScooterName());
// Wait for user
Console.ReadKey();
//4- Factory Method
Console.WriteLine("Factory Method");
DesignPatterns.Creational.FactoryMethod.Sample.VehiculeFactory factory = new ConcreteVehiculeFactory();
IFactory scooter = factory.GetVehicule("Scooter");
scooter.Drive(10);
IFactory bike = factory.GetVehicule("Bike");
bike.Drive(20);
// Wait for user
Console.ReadKey();
//5- Builder
Console.WriteLine("Builder");
var vehicleCreator = new VehicleCreator(new HeroBuilder());
vehicleCreator.CreateVehicle();
var vehicle = vehicleCreator.GetVehicle();
vehicle.ShowInfo();
Console.WriteLine("---------------------------------------------");
vehicleCreator = new VehicleCreator(new HondaBuilder());
vehicleCreator.CreateVehicle();
vehicle = vehicleCreator.GetVehicle();
vehicle.ShowInfo();
// Wait for user
Console.ReadKey();
//Structural
Console.WriteLine("Structural");
// Wait for user
Console.ReadKey();
//1 - Proxy
Console.WriteLine("Proxy");
ProxyClient proxy = new ProxyClient();
Console.WriteLine("Data from Proxy Client = {0}", proxy.GetData());
// Wait for user
Console.ReadKey();
//2 - Flyweight
Console.WriteLine("Flyweight");
ShapeObjectFactory sof = new ShapeObjectFactory();
IShape shape = sof.GetShape("Rectangle");
shape.Print();
shape = sof.GetShape("Rectangle");
shape.Print();
shape = sof.GetShape("Rectangle");
shape.Print();
shape = sof.GetShape("Circle");
shape.Print();
shape = sof.GetShape("Circle");
shape.Print();
shape = sof.GetShape("Circle");
shape.Print();
int NumObjs = sof.TotalObjectsCreated;
Console.WriteLine("\nTotal No of Objects created = {0}", NumObjs);
// Wait for user
Console.ReadKey();
//3 - Facade
Console.WriteLine("Facade");
CarFacade facade = new CarFacade();
facade.CreateCompleteCar();
// Wait for user
Console.ReadKey();
//4 - Bridge
Console.WriteLine("Bridge");
IMessageSender email = new EmailSender();
IMessageSender queue = new MSMQSender();
IMessageSender web = new WebServiceSender();
Message message = new SystemMessage();
message.Subject = "Test Message";
message.Body = "Hi, This is a Test Message";
message.MessageSender = email;
message.Send();
message.MessageSender = queue;
message.Send();
message.MessageSender = web;
message.Send();
UserMessage usermsg = new UserMessage();
usermsg.Subject = "Test Message";
usermsg.Body = "Hi, This is a Test Message";
usermsg.UserComments = "I hope you are well";
usermsg.MessageSender = email;
usermsg.Send();
// Wait for user
Console.ReadKey();
//5 - Adapter
Console.WriteLine("Adapter");
ITarget Itarget = new EmployeeAdapter();
ThirdPartyBillingSystem client = new ThirdPartyBillingSystem(Itarget);
client.ShowEmployeeList();
// Wait for user
Console.ReadKey();
//6 - Decorator
Console.WriteLine("Decorator");
HondaCity car = new HondaCity();
Console.WriteLine("Honda City base price are : {0}", car.Price);
SpecialOffer offer = new SpecialOffer(car);
offer.DiscountPercentage = 25;
offer.Offer = "25 % discount";
Console.WriteLine("{1} @ Diwali Special Offer and price are : {0} ", offer.Price, offer.Offer);
// Wait for user
Console.ReadKey();
}