} // RunBoiler
static void CheckBoiler(ChocolateBoiler boiler)
{
while (true)
{
int t = boiler.GetTemperature();
WriteLine("Temperature of boiler <{0}> is {1}°", boiler.Name, t);
Thread.Sleep(500);
} // forever
} // RunBoiler
static void RunBoiler(ChocolateBoiler boiler)
{
while (true)
{
boiler.Fill();
Thread.Sleep(1000);
boiler.Boil();
Thread.Sleep(3000);
boiler.Drain();
Thread.Sleep(1000);
} // forever
} // RunBoiler
} // RunBoiler
static void Main(string[] args)
{
ChocolateBoiler b;
// Create the one and only boiler instance:
b = ChocolateBoiler.GetInstance("Hershey-1");
// Create and start temperature monitoring thread:
Thread t1 = new Thread(() => CheckBoiler(b));
t1.Start();
// Create and start process controlling thread (on boiler singleton):
b = ChocolateBoiler.GetInstance();
Thread t2 = new Thread(() => RunBoiler(b));
t2.Start();
// Keep console open:
ReadLine();
} // Main.
public static ChocolateBoiler GetInstance(string name)
{
// use double-checked locking to ensure thread safety:
if (uniqueInstance == null)
{
Object lockThis = new Object();
lock ( lockThis )
{
uniqueInstance = new ChocolateBoiler();
if (name != null)
{
uniqueInstance.name = name;
}
uniqueInstance.IsEmpty = true;
} // lock
} // first instance
return(uniqueInstance);
} // ctor