public void Install(string material, double length)
{
var tube = _factory.Create(material, length);
if (tube.Length == length)
{
Console.WriteLine($"installato tubo di {material} con lunghezza {length}");
}
else
{
throw new InvalidOperationException();
}
}
public Pen Create(double length, double radius)
{
tube = _tubeFactory.Create(length, radius);
cap = _capFactory.Create(radius);
double lengthDelta = Math.Abs(tube.Length - length);
double radiusDelta = Math.Abs(tube.Radius - cap.Radius) / radius;
if (lengthDelta / length > 0.01)
{
throw new Exception($"Tube length delta {lengthDelta} exceed 1.0%");
}
if (radiusDelta > 0.005)
{
throw new Exception($"Radius tube delta {radiusDelta} exceed 0.5%");
}
return(new Pen(tube, cap));
}