/// <summary> /// O padrão Decorator anexa responsabilidades adicionais a um objeto dinamicamente. Os decoradores fornecem uma alternativa mais flexível de /// subclasses para estender a funcionalidade. /// </summary> private static void TestDecorator() { Beverage beverage = new Espresso(); Console.WriteLine("{0}: {1}", beverage.Description, beverage.Cost()); Beverage beverage2 = new DarkRoast(); beverage2 = new Mocha(beverage2); beverage2 = new Mocha(beverage2); beverage2 = new Whip(beverage2); Console.WriteLine("{0}: {1}", beverage2.Description, beverage2.Cost()); Beverage beverage3 = new HouseBlend(); beverage3 = new Soy(beverage3); beverage3 = new Mocha(beverage3); beverage3 = new Whip(beverage3); Console.WriteLine("{0}: {1}", beverage3.Description, beverage3.Cost()); }
public static void UseDecoratorPattern(IView view) { Beverage espresso = new Espresso(); view.DisplayMessage(espresso.GetDescription() + " $" + espresso.Cost()); Beverage houseBlend = new HouseBlend(); //decorate the object houseBlend = new Mocha(houseBlend); houseBlend = new Whip(houseBlend); view.DisplayMessage(houseBlend.GetDescription() + " $" + houseBlend.Cost()); Beverage newEspresso = new Espresso(); newEspresso = new Mocha(newEspresso); newEspresso = new Soy(newEspresso); newEspresso = new Whip(newEspresso); view.DisplayMessage(newEspresso.GetDescription() + " $" + newEspresso.Cost()); }