Admin: 1 версия

2010-06-01T06:50:20Z

1 версия

в 18:01, 31 мая 2010

2010-05-31T18:01:45Z

Новая страница

== EJB Tutorial from JBoss: simple shopping cart ==



<source lang="java">

File: Order.java
/*
* 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;
}
}

File: ShoppingCart.java
/*
* 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.ejb.Remove;
/**
* Comment
*
* @author

← Предыдущая	Версия 06:50, 1 июня 2010
(нет различий)

Java/EJB3/Shopping cart - История изменений

Admin: 1 версия

в 18:01, 31 мая 2010