source: src/main/java/negotiator/onetomany/players/UF_75pQtyOrNothing.java@ 244

/**
 * UtilityFunction75percentQuantityOrNothing
 */
package negotiator.onetomany.players;

import negotiator.onetomany.domain.Bundle;
import negotiator.onetomany.domain.Stack;

/**
 * If 75 percent of the stacks be satisfied regarding the quantity as long as 
 * the total price would be less than the total price of the wishlist, 
 * bundle b would be evaluated as 1.0, otherwise as 0.0.
 * 
 * @author Faria Nassiri-Mofakham
 *
 */
public class UF_75pQtyOrNothing implements Utility_Function {

        Bundle wishlist;


        public UF_75pQtyOrNothing(Bundle w)
        {
                this.wishlist=w;
        }

        /**
         * @return the wishlist
         */
        public Bundle getWishlist() {
                return wishlist;
        }

        /**
         * @param wishlist the wishlist to set
         */
        public void setWishlist(Bundle w) {
                this.wishlist = w;
        }

        @Override
        public Double getUtility(Bundle b) 
        {
                // TODO Auto-generated method stub
                int num=wishlist.size();
                if (b!=null)
                {
                        for (Stack s : b)
                                for (Stack t: wishlist)
                                        if (s.getColor()==t.getColor() && s.getQuantity() >= t.getQuantity())
                                                // if bundle b has any additional stack
                                                // if the quantity is less than what is required, so this stack could not be satisfied
                                                num--;                                                  
                        if (b.getPrice() <= wishlist.getPrice() && num < (double)wishlist.size()*0.25) // i.e. less than 25 percent of the stacks could not be satisfied
                                return 1.0;
                        else 
                                return 0.0;
                }
                return 0.0;             
        }


        @Override
        public String toString()
        {
                return this.getClass().getSimpleName();
        }

}