public double Visit(Necessity necessityItem)
{
Console.WriteLine("Necessity item: Pric with Necessity");
return((necessityItem.getPrice() * 0) + necessityItem.getPrice());
}
public double visit(Necessity item)
{
Debug.Log ("Necessity item: Price with Tax");
return item.price;
}
void OnEnable()
{
Debug.Log ("------------------");
Debug.Log ("VISITOR DESIGN PATTERN");
// testing the pattern:
TaxVisitor taxCalc = new TaxVisitor();
TaxHolidayVisitor taxHolidayCalc = new TaxHolidayVisitor();
Necessity milk = new Necessity(3.25);
Liquor vodka = new Liquor(11.99);
Tobacco cigars = new Tobacco(19.99);
double milkPrice = milk.Accept(taxCalc);
double milkPriceHoliday = milk.Accept(taxHolidayCalc);
Debug.Log ("Milk costs: " + milkPrice.ToString() + ", Holiday Price: " + milkPriceHoliday.ToString());
double vodkaPrice = vodka.Accept(taxCalc);
double vodkaHolidayPrice = vodka.Accept(taxHolidayCalc);
Debug.Log ("Vodka costs: " + vodkaPrice.ToString() + ", Holiday Price: " + vodkaHolidayPrice.ToString());
double cigarsPrice = cigars.Accept(taxCalc);
double cigarsPriceHoliday = cigars.Accept(taxHolidayCalc);
Debug.Log ("Cigars cost: " + cigarsPrice.ToString() + ", Holiday Price: " + cigarsPriceHoliday.ToString());
}
public double visit(Necessity item)
{
Debug.Log("Necessity item: Price with Tax");
return(item.price);
}