public static void DecoratorPatternDemo()
{
// when we want to decorate some class, we donot make any changes on the class, instead we use decorator interface to decorate the class
Patterns.StructuralPatterns.DecoratorPattern.Shape circle = new Patterns.StructuralPatterns.DecoratorPattern.Circle();
Patterns.StructuralPatterns.DecoratorPattern.ShapeDecorator shapeDecorator = new RedShapeDecorator(circle);
shapeDecorator.Draw();
}
public static void DecoratorExample()
{
var circle = new Circle();
var redCircle = new RedShapeDecorator(new Circle());
var redRectangle = new RedShapeDecorator(new Rectangle());
circle.Draw();
redCircle.Draw();
redRectangle.Draw();
}
public static void Run()
{
IDrawable redCircle = new RedShapeDecorator(new Circle());
IDrawable blueRectangle = new BlueShapeDecorator(new Rectangle());
Console.WriteLine("<Decorator Pattern Example>");
Console.WriteLine();
Console.Write("\t");
redCircle.Draw();
Console.Write("\t");
blueRectangle.Draw();
Console.WriteLine();
Console.WriteLine("</Decorator Pattern Example>");
Console.WriteLine();
}
public void Main()
{
IShape circle = new Circle();
ShapeDecorator redCircle = new RedShapeDecorator(new Circle());
ShapeDecorator redRectangle = new RedShapeDecorator(new Rectangle());
Console.WriteLine("Circle with normal border");
circle.Draw();
Console.WriteLine("Circle of red border");
redCircle.Draw();
Console.WriteLine("Rectangle of red border");
redRectangle.Draw();
}
public void Start()
{
var circle = new Circle();
var redCircle = new RedShapeDecorator(circle);
var redRectangle = new RedShapeDecorator(new Rectangle());
logger.Info("Circle with normal border.");
circle.Draw();
logger.Info("Circle of red border.");
redCircle.Draw();
logger.Info("Rectangle of red border.");
redRectangle.Draw();
}
static void Main(string[] args)
{
System.Console.WriteLine("Plain Circle Object");
IShape circle = new Circle();
circle.Draw();
System.Console.WriteLine("\n\nDecorated Circle Object");
IShape redCircle = new RedShapeDecorator(circle);
redCircle.Draw();
System.Console.WriteLine("\n\nDecorated Rectangle Object");
IShape redRectangle = new RedShapeDecorator(new Rectangle());
redRectangle.Draw();
}
public static void Run()
{
Console.WriteLine(typeof(_10_DecoratorPattern).GetClassName());
IShape circle = new Circle();
IShape redCircle = new RedShapeDecorator(new Circle());
IShape redRectangle = new RedShapeDecorator(new Rectangle());
Console.WriteLine("Circle with normal border");
circle.Draw();
Console.WriteLine("\nCircle of red border");
redCircle.Draw();
Console.WriteLine("\nRectangle of red border");
redRectangle.Draw();
Console.WriteLine();
}
static void Main(string[] args)
{
Shape circle = new Circle();
RedShapeDecorator redShapeCircle = new RedShapeDecorator(circle);
//Print a circle with normal border
circle.Draw();
//Print a circle with an additional red border
redShapeCircle.Draw();
Shape rectangle = new Rectangle();
RedShapeDecorator redShapedRectangle = new RedShapeDecorator(rectangle);
//Print a rectangle wth normal border
rectangle.Draw();
//Print a rectangle with an additional red border
redShapedRectangle.Draw();
}
static void Main(string[] args)
{
IShape circle = new Circle();
IShape rectangle = new Rectangle();
IShape redCircle = new RedShapeDecorator(new Circle());
IShape redRectangle = new RedShapeDecorator(new Rectangle());
Console.WriteLine("Circle with normal border");
circle.Draw();
Console.WriteLine("\nCircle with red border");
redCircle.Draw();
Console.WriteLine("\nRectangle with normal border");
rectangle.Draw();
Console.WriteLine("\nRectangle with red border");
redRectangle.Draw();
}
static void Main(string[] args)
{
#region Exemplo 1 - Decorator
////Imposto iss = new ISS(new ICMS()); = 80
//Imposto iss = new ISS();
//Orcamento orcamento = new Orcamento(500);
//double valor = iss.Calcula(orcamento);
//Console.WriteLine(valor);
#endregion
#region Exemplo 2 - Decorator
Orcamento orcamento = new Orcamento(1000);
Imposto impostoAlto = new ImpostoMuitoAlto(new ISS(new ICMS()));
double valorTotalImposto = impostoAlto.Calcula(orcamento);
Console.WriteLine(valorTotalImposto);
#endregion
#region Exemplo 3 - Decorator e Template Method
//Orcamento orcamento = new Orcamento(1000);
//orcamento.AdicionarItem(new Item("Xiaomi Mi A2", 1000));
//Imposto imposto = new ICMS(new ICPP(new IKCV(new ISS())));
//double valorImposto = imposto.Calcula(orcamento);
//Console.WriteLine(valorImposto);
#endregion
#region Exemplo 4 - Contas
//List<Conta> listaDeContas = new List<Conta>();
//listaDeContas.Add(new Conta(90, DateTime.Now.AddDays(-5)));
//listaDeContas.Add(new Conta(501000, DateTime.Now));
//listaDeContas.Add(new Conta(10000, DateTime.Now.AddDays(-7)));
//listaDeContas.Add(new Conta(25000, DateTime.Now.AddMonths(-1)));
//Filtro filtro = new FiltroContaSaldoMenor100Reais(new FiltroContaSaldoMaior500MilReais(new FiltroContaDataAberturaMesCorrente()));
//var resultadoFiltrado = filtro.Filtrar(listaDeContas);
//foreach (Conta item in resultadoFiltrado)
//{
// Console.WriteLine(item);
//}
#endregion
#region Exemplo Tutorials Point
IShape circle = new Circle();
IShape redCircle = new RedShapeDecorator(new Circle());
IShape redRectangle = new RedShapeDecorator(new Rectangle());
Console.WriteLine("Circle with normal border"); // Output: Circle with normal border
circle.Draw(); // Shape: Circle
Console.WriteLine("Circle of red border"); // Output: Circle of red border
redCircle.Draw(); // Shape: Circle
// Border Color: Red
Console.WriteLine("Rectangle of red border"); // Output: Rectangle of red border
redRectangle.Draw(); // Shape: Rectangle
// Border Color: Red
#endregion
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("Singleton Pattern");
// Singleton Pattern
SingleObject singleObject = SingleObject.Instance();
singleObject.ShowMessage();
Console.WriteLine("\nBuilder Pattern");
// Builder Pattern
MealBuilder mealBuilder = new MealBuilder();
Meal vegMeal = mealBuilder.PrepareVegMeal();
Console.WriteLine("Veg Meal");
vegMeal.ShowItems();
Console.WriteLine("Total Cost : " + vegMeal.GetCost());
Meal nonVegMeal = mealBuilder.PrepareNonVegMeal();
Console.WriteLine("NonVeg Meal");
nonVegMeal.ShowItems();
Console.WriteLine("Total Cost : " + nonVegMeal.GetCost());
Console.WriteLine("\nAbstract Factory");
// Abstract Factory Pattern
AbstractFactory shapeFactory = FactoryProducer.GetFactory("shape");
IShape circleShape = shapeFactory.GetShape("circle");
circleShape.Draw();
AbstractFactory colorFactory = FactoryProducer.GetFactory("color");
IColor blueColor = colorFactory.GetColor("blue");
blueColor.Fill();
Console.WriteLine("\nAdapter");
//Adapter Pattern
AudioPlayer audioPlayer = new AudioPlayer();
audioPlayer.Play("mp4");
audioPlayer.Play("flac");
audioPlayer.Play("vlc");
Console.WriteLine("\nFacade");
//Facade Pattern
ShapeMaker shapeMaker = new ShapeMaker();
shapeMaker.DrawCircle();
shapeMaker.DrawRectangle();
shapeMaker.DrawSquare();
Console.WriteLine("\nDecorator doesn't work");
//Decorator Pattern
IDecoratorShape rectangle = new RectangleDecorator();
IDecoratorShape redRectangle = new RedShapeDecorator(new RectangleDecorator());
Console.WriteLine("Rectangle with no color");
rectangle.Draw();
Console.WriteLine("Rectangle with color");
redRectangle.Draw();
Console.WriteLine("\nComposite");
//Composite Pattern
Employee DSI = new Employee("employee1", "DSI", 100000);
Employee chefDeProjet1 = new Employee("employee2", "Chef de projet", 60000);
Employee chefDeProjet2 = new Employee("employee3", "Chef de projet", 60000);
Employee dev1 = new Employee("employee4", "Développeur", 40000);
Employee dev2 = new Employee("employee5", "Développeur", 40000);
DSI.Add(chefDeProjet1);
DSI.Add(chefDeProjet2);
chefDeProjet1.Add(dev1);
chefDeProjet2.Add(dev2);
Console.WriteLine(DSI.Details());
foreach (Employee e1 in DSI.GetSubordinates())
{
Console.WriteLine(e1.Details());
foreach (Employee e2 in e1.GetSubordinates())
{
Console.WriteLine(e2.Details());
}
}
Console.WriteLine("\nBridge");
//Bridge Pattern
BridgeShape shape1 = new BridgeCircle(10, 10, 1, new GreenCircle());
BridgeShape shape2 = new BridgeCircle(100, 100, 10, new RedCircle());
shape1.Draw();
shape2.Draw();
Console.WriteLine("\nCommand");
//Command Pattern
Stock stock1 = new Stock("laptop", 100);
BuyStock buyStock = new BuyStock(stock1);
Stock stock2 = new Stock("screen", 30);
SellStock sellStock = new SellStock(stock2);
Broker broker = new Broker();
broker.TakeOrder(buyStock);
broker.TakeOrder(sellStock);
broker.PlaceOrders();
Console.WriteLine("\nInterpreter");
//Interpreter Pattern
IExpression isMale = InterpreterPatternDemo.GetMaleExpression();
IExpression isMarried = InterpreterPatternDemo.GetMarriedWomanExpression();
Console.WriteLine("John is male ? " + isMale.Interpret("john"));
Console.WriteLine("Barbara is male ? " + isMale.Interpret("barbara"));
Console.WriteLine("Julie is married ? " + isMarried.Interpret("julie married"));
Console.WriteLine("Bob is married ? " + isMarried.Interpret("bob married"));
}