public void Check(Tube t)
{
if (t.Status == TubeStatus.Rejected)
{
return;
}
if (!isValid(t))
{
t.Status = TubeStatus.Rejected;
}
}
public Tube Create(double projectLength, double projectWeight, string type)
{
Tube t = null;
switch (type)
{
case "CastIron": t = new CastIronTube(); break;
case "Pvc": t = new PvcTube(); break;
case "Steel": t = new SteelTube(); break;
default: throw new ArgumentException("Not recognized tube type!");
}
t.ProjectLength = projectLength;
t.ProjectWeight = projectWeight;
t.RealLength = t.ProjectLength * (1 + ((_r.NextDouble() - 0.5) / 25));
t.RealWeight = t.ProjectWeight * (1 + ((_r.NextDouble() - 0.5) / 10));
return(t);
}
public void Approve(Tube t)
{
t.Status = TubeStatus.Ready;
}
protected override bool isValid(Tube t)
{
return(Math.Abs(t.RealWeight - t.ProjectWeight) / 100 < 0.03);
}
protected override bool isValid(Tube t)
{
return(Math.Abs(t.RealLength - t.ProjectLength) / 100 < 0.01);
}
protected abstract bool isValid(Tube t);