orderfacade.java

一个基于java工厂模式的 的实现

/*
 * OrderFacade.java
 *
 * Created on 2007年4月24日, 上午11:05
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.ebuy.businessfacade;

import com.ebuy.common.rule.IOrderRule;
import com.ebuy.common.rule.IRule;
import com.ebuy.common.NameProvider;
import com.ebuy.entities.OrderEntity;
import java.util.List;

/**
 *
 * @author Administrator
 */
public class OrderFacade
{
    
    /**
     
     */
    public OrderFacade()
    {
    }
    public static boolean addOrder(OrderEntity order)
    {
        IRule rule=RuleProvider.getRuleInstance(NameProvider.Order);
        boolean b=rule.addEntity(order);
        return b;
    }
    public static OrderEntity findByOrderID(int orderid)
    {
        IRule rule=RuleProvider.getRuleInstance(NameProvider.Order);
        Object obj=rule.findByPK(orderid);
        OrderEntity order=(OrderEntity)obj;
        return order;
    }
    public static boolean updateOrderStateByOrderID(int orderid,int state)
    {
        IRule rule=RuleProvider.getRuleInstance(NameProvider.Order);
        IOrderRule orderrule=(IOrderRule)rule;
        boolean b=orderrule.updateStateByOrderID(orderid,state);
        return b;
    }
    public static List getSimpleOrdersInfoByCustomerID(int customerid)
    {
        IRule rule=RuleProvider.getRuleInstance(NameProvider.Order);
        IOrderRule orderrule=(IOrderRule)rule;
        List orders=orderrule.findOrdersByCustomerID(customerid);
        return orders;
    }
}