// The "Basket" example to illustrate an simple usage of
// DAJ.
// The class graph: 
// has-a with a label: -label->
// is-a              : -<:-
// Basket -p->Pencil
//        -f->Fruit -w->Weight -i->int
//             \-<:- Orange -c->Color -s->String
//            

class Basket {
    Basket(Fruit _f, Pencil _p) { f = _f; p = _p; }
    Basket(Fruit _f, Fruit _f2, Pencil _p) { f = _f; f2 = _f2; p = _p; }
    Fruit f, f2;
    Pencil p;
}
class Fruit { 
    Fruit(Weight _w) { w = _w; }
    Weight w;
}
class Orange extends Fruit {
    Orange(Color _c) { super(null); c=_c;}
    Orange(Color _c, Weight _w) { super(_w); c = _c;} 
    Color c;
}
class Pencil {}
class Color {
    Color(String _s) { s = _s;}
    String s;
}
class Weight{
    Weight(int _i) { i = _i;}
    int i;
    int get_i() { return i; }
}

class BasketMain {
    static public void main(String args[]) throws Exception {
	
	Basket b = new Basket(new Orange(new Color("orange"), 
					 new Weight(5)),
			      new Fruit( new Weight(10)),
			      new Pencil()
			      );

	BasketVisitor bv = new BasketVisitor();

	b.t1(bv);

	int totalWeight = bv.returnValue();
	System.out.println("Total weight of basket = " + totalWeight);
	
	b.t2(bv);

	totalWeight = bv.returnValue();
	System.out.println("Total weight2 of basket = " + totalWeight);
    }
}