/*
 * 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.entity.bean;

import javax.persistence.CascadeType;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue; import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import javax.persistence.Table;
import javax.persistence.Id;
import javax.persistence.CascadeType;
import javax.persistence.FetchType;
import java.util.ArrayList;
import java.util.Collection;

@Entity
@Table(name = "PURCHASE_ORDER")
public class Order implements java.io.Serializable
{
   private int id;
   private double total;
   private Collection<LineItem> lineItems;

   @Id @GeneratedValue(strategy=GenerationType.AUTO)
   public int getId()
   {
      return id;
   }

   public void setId(int id)
   {
      this.id = id;
   }

   public double getTotal()
   {
      return total;
   }

   public void setTotal(double total)
   {
      this.total = total;
   }

   public void addPurchase(String product, int quantity, double price)
   {
      if (lineItems == null) lineItems = new ArrayList<LineItem>();
      LineItem item = new LineItem();
      item.setOrder(this);
      item.setProduct(product);
      item.setQuantity(quantity);
      item.setSubtotal(quantity * price);
      lineItems.add(item);
      total += quantity * price;
   }

   @OneToMany(cascade = CascadeType.ALL, fetch = FetchType.EAGER, mappedBy="order")
   public Collection<LineItem> getLineItems()
   {
      return lineItems;
   }

   public void setLineItems(Collection<LineItem> lineItems)
   {
      this.lineItems = lineItems;
   }
}