static void Main(string[] args)
{
//================FACTORY====================================================
AnswerFactory yesFactory = AnswerFactory.getFactory(typeOfFactory.yesFactory);
bool yesAnswer = yesFactory.getAnswer();
Console.WriteLine("YES ANSWER: " + yesAnswer);
AnswerFactory noFactory = AnswerFactory.getFactory(typeOfFactory.noFactory);
bool noAnswer = noFactory.getAnswer();
Console.WriteLine("NO ANSWER: " + noAnswer);
//===========================================================================
Console.WriteLine();
Console.WriteLine();
//================SINGLETON==================================================
Singleton s1 = Singleton.getInstance();
Console.WriteLine("Singleton state: " + s1.state);
Singleton s2 = Singleton.getInstance();
s2.state = true;
Console.WriteLine("Singleton state: " + s1.state);
//===========================================================================
Console.WriteLine();
Console.WriteLine();
//================DECORATOR==================================================
ConcreteComponent component = new ConcreteComponent();
component.Operation();
ConcreteDecorator decorator = new ConcreteDecorator();
decorator.SetComponent(component);
decorator.Operation();
//===========================================================================
Console.WriteLine();
Console.WriteLine();
//================STRATEGY===================================================
Context context;
context = new Context(new StrategyA());
context.ContextInterface();
context = new Context(new StrategyB());
context.ContextInterface();
//===========================================================================
Console.WriteLine();
Console.WriteLine();
//================OBSERVER===================================================
Observable provider = new Observable();
Observer reciever = new Observer();
reciever.Subscribe(provider);
provider.sendString();
//===========================================================================
Console.ReadLine();
}
private static void DemonstrateDecorator()
{
// First create a component that should be decorated
var component = new ConcreteComponent();
// Then create a decorator and supply the component to it, this expands the components functionality.
var decoratorA = new ConcreteDecoratorA(component);
// The pattern allows both adding the base component, or another decorator.
var decoratorB1 = new ConcreteDecoratorB(component);
var decoratorB2 = new ConcreteDecoratorB(decoratorA); // Expands the functionality even more.
component.Operation();
decoratorA.Operation();
decoratorB1.Operation();
decoratorB2.Operation();
decoratorB2.AddedBehavior();
}
