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 invokeSingleton()
{
Singleton instanceOne = Singleton.getInstance();
Singleton instanceTwo = Singleton.getInstance();
if (instanceOne == instanceTwo)
{
Console.WriteLine("The singleton instances are equal");
}
}
static void Main(string[] args)
{
Singleton instance1 = Singleton.getInstance();
Console.WriteLine(instance1.GetHashCode());
Singleton instance2 = Singleton.getInstance();
Console.WriteLine(instance2.GetHashCode());
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("*********************** Singleton *************************");
Singleton instance = Singleton.getInstance();
instance.PrintOutput("This is an implementation of singleton which belongs to the creational design pattern");
instance.PrintOutput("Only single instance is created throughout the application");
Console.WriteLine("*********************** Factory *************************");
IEmployeeType emp;
FactoryController.chooseType();
try
{
emp = FactoryController.getEmployee(Convert.ToInt32(FactoryController.getEmployeeType().ToString()));
emp.setEmployeeType();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}