source: src/main/java/negotiator/onetomany/Portfolio.java@ 224

package negotiator.onetomany;

import java.util.List;
import java.util.Set;
//import java.awt.Color;
import java.util.ArrayList;

/**
 * A portfolio is a list of products that is relevant to an agent.
 * Every product in the portfolio is unique.
 */
public class Portfolio 
{
        private List<Product> portfolio;

        public Portfolio() 
        {
                this.portfolio = new ArrayList<Product>();
        }

        public List<Product> getPortfolio() 
        {
                return portfolio;
        }

        public void addProduct(Product p) 
        {
                portfolio.add(p);
        }

        @Override
        public String toString() 
        {
                return portfolio.toString();
        }

        public int size()
        {
                if (portfolio != null)
                {
                        return getPortfolio().size();
                }
                else return 0;          
        }

        public Product getProduct(int i)
        {
                return getPortfolio().get(i);
        }

        public Product iterator()  // product or List<product> or Portfolio
        {
                Product s=null;
                if (this!=null)
                        for (int i=0; i<this.size();i++)
                                s = portfolio.get(i);
                return s;   // this just returns the last one, a product, not a list!
        }
}