/// <summary>
/// Responsible for creating different types of objects without exposing the complicated creation logic.
/// </summary>
/// <param name="args"></param>
static void Main(string[] args)
{
ShapeFactory shapeFactory = new ShapeFactory();
//get an object of Circle and call its draw method.
Shape shape1 = shapeFactory.GetShape(Shapes.Circle);
//call draw method of Circle
shape1.Draw();
//get an object of Rectangle and call its draw method.
Shape shape2 = shapeFactory.GetShape(Shapes.Rectangle);
//call draw method of Rectangle
shape2.Draw();
//get an object of Square and call its draw method.
Shape shape3 = shapeFactory.GetShape(Shapes.Square);
//call draw method of square
shape3.Draw();
}
static void Main(string[] args)
{
#region Creational Patterns
//Singleton
Singleton singleton = Singleton.GetInstance();
singleton.someUsefulCode();
Separate();
//Builder
Item ciastko = new ItemBuilder(0).SetName("Ciastko").SetType("Food").build();
Console.WriteLine($"{ciastko.id}. {ciastko.name}, {ciastko.type}");
Separate();
//Prototype
Person person = new Person(1, 15, "John");
Person shallowCopy = (Person)person.ShallowCopy();
Person deepCopy = (Person)person.DeepCopy();
Console.WriteLine(person);
Console.WriteLine(shallowCopy);
Console.WriteLine(deepCopy);
person.name = "Max";
person.age = 20;
person.id = new IdInfo(99);
Console.WriteLine(person);
Console.WriteLine(shallowCopy);
Console.WriteLine(deepCopy);
Separate();
//AbstractFactory
Car miniCar = CarFactory.CarBuilder(CarType.MINI);
Car lumiCar = CarFactory.CarBuilder(CarType.LUXURY);
Separate();
//FactoryPattern
ShapeFactory shapeFactory = new ShapeFactory();
Shape circle = shapeFactory.GetShape("circle");
circle.print();
Separate();
//ObjectPool
SomeObject so1 = Pool.GetObject();
SomeObject so2 = Pool.GetObject();
Pool.ReleaseObject(so1);
SomeObject so3 = Pool.GetObject();
Console.WriteLine($"so1: {so1}");
Console.WriteLine($"so2: {so2}");
Console.WriteLine($"so3: {so3}");
Separate();
#endregion
#region Structural Patterns
//Adapter
OldClass oldClass = new OldClass();
IWrite write = new Adapter(oldClass);
write.PrintMessage();
Separate();
//Bridge
Thing triangle = new Ball(new Blue());
triangle.print();
Separate();
//Composite
Component leaf1 = new Leaf("leaf1");
Component leaf2 = new Leaf("leaf2");
Component leaf3 = new Leaf("leaf3");
Component branch1 = new Composite("branch1");
branch1.Add(leaf1);
branch1.Add(leaf2);
Component root = new Composite("root");
root.Add(branch1);
root.Add(leaf3);
root.Display(1);
Separate();
//Decorator
Weapon weapon = new BaseWeapon();
weapon.shot();
Weapon modifiedWeapon = new Stock(weapon);
modifiedWeapon.shot();
Separate();
//Facade
Student student = new Student();
student.StartLearning();
student.EndLearning();
Separate();
//Flyweight
Particle p1 = ParticleFactory.getSmallParticle("red"); //new key
Particle p2 = ParticleFactory.getSmallParticle("red"); //no new one
Particle p3 = ParticleFactory.getSmallParticle("blue"); //new key
Separate();
//Proxy
IBank proxyBank = new ProxyBank();
proxyBank.Pay();
Separate();
#endregion
#region Behavioral Patterns
//ChainOfResponsibility
Chain chain = new Chain();
chain.Process(5);
Separate();
//Command
var modifyPrice = new ModifyPrice();
var product = new Product("Brick", 200);
Console.WriteLine(product);
modifyPrice.SetCommandAndInvoke(new ProductCommand(product, PriceAction.Increase, 50));
Console.WriteLine(product);
Separate();
//Iterator
CarRepository carRepository = new CarRepository(new string[] { "Renault", "BMW", "VW" });
for (IIterator i = carRepository.GetIterator(); i.hasNext();)
{
Console.WriteLine($"Car: {i.next()}");
}
Separate();
//Mediator
Mediator mediator = new RealMediator();
APerson jhon = new RealPerson(mediator, "Jhon");
APerson max = new RealPerson(mediator, "Max");
APerson emma = new RealPerson(mediator, "Emma");
mediator.AddPerson(jhon);
mediator.AddPerson(max);
mediator.AddPerson(emma);
jhon.Send("I'm a jhon and this is my message! ");
emma.Send("henlo");
Separate();
//Memento
Localization localization = new Localization("NY", 123, 111);
LocalizationSnapshot snapshot = localization.CreateSnapshot();
Console.WriteLine(localization);
localization.City = "Berlin";
localization.X = 999;
Console.WriteLine(localization);
snapshot.Restore();
Console.WriteLine(localization);
Separate();
//Observer
Customer james = new Customer("James");
Customer william = new Customer("William");
Customer evelyn = new Customer("Evelyn");
Shop grocery = new Shop("YourFood");
Shop DIYshop = new Shop("Tooler");
grocery.AddSubscriber(james);
grocery.AddSubscriber(william);
grocery.AddSubscriber(evelyn);
DIYshop.AddSubscriber(james);
DIYshop.AddSubscriber(william);
grocery.AddMerchandise(new Merchandise("pizza", 19));
DIYshop.AddMerchandise(new Merchandise("hammer", 399));
Separate();
//State
AudioPlayer ap = new AudioPlayer();
ap.ClickPlay();
ap.ClickLock();
ap.ClickPlay();
ap.ClickPlay();
ap.ClickPlay();
ap.ClickLock();
ap.NextSong();
ap.PreviousSong();
Separate();
//Strategy
Calculator calculator = new Calculator(new AddingStrategy());
calculator.Calculate(5, 2);
calculator.ChangeStrategy(new SubtractingStrategy());
calculator.Calculate(5, 2);
Separate();
//TemplateMethod
Algorithm a1 = new AlgorithmWithStep2();
a1.Execute();
Algorithm a2 = new AlgorithmWithStep2and3();
a2.Execute();
Separate();
//Visitor
ElementA ea = new ElementA("ElementA");
ElementA eb = new ElementA("ElementB");
Visitor1 v1 = new Visitor1();
Visitor2 v2 = new Visitor2();
ea.Accept(v1);
ea.Accept(v2);
eb.Accept(v1);
eb.Accept(v2);
#endregion
}