source: src/main/java/bargainingchips/Chip.java@ 341

package bargainingchips;

import java.util.Random;

/**
 * Chip is the fundamental element in Bargaining Chips.
 * A chip could be assumed as any item at any scenario, e.g. Paracetamol in pharmaceutical market, 
 * a chair in furniture market, or a Red Dot. 
 * A chip is a color, where color is the id of the chip.
 * 
 * Immutable.
 */
public class Chip 
{       
        private final String color;
        private static final String [] colors = new String [] {"Black", "Blue", "Cyan", "darkGray", "Gray", "lightGray", "Green", "Magenta", "Orange", "Pink", "Red", "White", "Yellow"};
        
        public Chip() 
        {
                int rnd = new Random().nextInt(colors.length);
            color = colors[rnd];
        }       
        
        public Chip(String c) 
        {
                color = c;
        }
        
        /**
         * @return the color
         */
        public String getColor() 
        {
                return color;
        }

        @Override
        public String toString() 
        {
                return getColor();
        }

        @Override
        public int hashCode() {
                final int prime = 31;
                int result = 1;
                result = prime * result + ((color == null) ? 0 : color.hashCode());
                return result;
        }

        @Override
        public boolean equals(Object obj) {
                if (this == obj)
                        return true;
                if (obj == null)
                        return false;
                if (getClass() != obj.getClass())
                        return false;
                Chip other = (Chip) obj;
                if (color == null) {
                        if (other.color != null)
                                return false;
                } else if (!color.equals(other.color))
                        return false;
                return true;
        }       
        
        
}