public static BillState GetBillState(string stateTypeName)
{
var list = FindAllDerivedStates(typeof(BillState));
dynamic returnedValue = new UnsettledBill();
foreach (var state in list)
{
if (state.Name == stateTypeName)
{
returnedValue = (BillState)Activator.CreateInstance(state);
}
}
return(returnedValue);
}
protected Bill(double amount)
{
Amount = amount;
State = new UnsettledBill(this);
OrderedDate = DateTime.Now;
}
