// get a reference to the sole instance of this class, creating it if necessary
public static FactoryCreatorSingleton GetInstance()
{
if (instance == null)
{
instance = new FactoryCreatorSingleton();
}
return(instance);
}
static void Main(string[] args)
{
Console.WriteLine("Enter a make - lenovo or dell");
String make = Console.ReadLine();
Console.WriteLine("Enter a budget");
int budget = Convert.ToInt32(Console.ReadLine());
//This singleton decides which factory to "fire up", based on the make (Dell, Lenovo etc.) that the customer requests
FactoryCreatorSingleton myFactoryCreator = FactoryCreatorSingleton.GetInstance();
ILaptopFactory requestedMakeFactory = myFactoryCreator.GetLaptopFactory(make);
//Here the appropriate factory will produce the laptop based on the budget
ILaptop requestedLaptop = requestedMakeFactory.MakeLaptop(budget);
//ILaptop myLaptop = ProductFactory.makeProduct(budget);
Console.WriteLine("Creating a laptop from " + requestedMakeFactory.GetFactoryName() + " of make " + requestedLaptop.GetMake() + " \n"
+ " and model " + requestedLaptop.GetModel());
Console.ReadLine();
}
