/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2006, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.tutorial.stateful_deployment_descriptor.bean;

import java.io.Serializable;
import java.util.HashMap;

public class ShoppingCartBean implements ShoppingCart, Serializable
{
   private HashMap<String, Integer> cart = new HashMap<String, Integer>();

   public void buy(String product, int quantity)
   {
      if (cart.containsKey(product))
      {
         int currq = cart.get(product);
         currq += quantity;
         cart.put(product, currq);
      }
      else
      {
         cart.put(product, quantity);
      }
   }

   public HashMap<String, Integer> getCartContents()
   {
      return cart;
   }

   public void checkout()
   {
      System.out.println("To be implemented");
   }
}