public void Iterate(FactorialCalculating fc)
{
fc.Factorial.Result *= (fc.Steps + 1);
fc.Steps--;
Console.WriteLine("Calculating iterated");
IsReady(fc);
}
public void Select(FactorialCalculating fc)
{
if (fc.Steps > 0)
{
Console.WriteLine("Calculating continued");
NeedIteration(fc);
}
else
{
Console.WriteLine("Calculating finished");
IsReady(fc.Factorial);
}
}
static void Main(string[] args)
{
Factorial f1 = new Factorial(5);
Factorial f2 = new Factorial(3);
Selector selector = new Selector();
Invalid invalid = new Invalid();
IsZero isZero = new IsZero();
IsSimple isSimple = new IsSimple();
FactorialCalculating factorialCalculating = new FactorialCalculating();
CalculatingSelector calculatingSelector = new CalculatingSelector();
Iterator iterator = new Iterator();
IsReady isReady = new IsReady();
f1.Initialized += selector.Select;
f2.Initialized += selector.Select;
selector.FactorialIsInvalid += invalid.FactorialIsInvalid;
selector.FactorialIsSimple += isSimple.FactorialIsSimple;
selector.FactorialIsZero += isZero.FactorialIsZero;
selector.FactorialNeedCalculating += factorialCalculating.FactorialCalculatingPrepare;
factorialCalculating.IsReady += calculatingSelector.Select;
calculatingSelector.NeedIteration += iterator.Iterate;
iterator.IsReady += calculatingSelector.Select;
calculatingSelector.IsReady += isReady.FactorialWrite;
isZero.IsReady += isReady.FactorialWrite;
isSimple.IsReady += isReady.FactorialWrite;
f1.Start();
f2.Start();
}