orderbizimpl.java

达内Java培训实训项目ECPORT原码。 包括逐步优化的四个版本： 简单工厂模式实现 简单Spring-IoC实现 Spring声明式事务实现 Spring-AOP集成

package com.royee.ecport.biz.impl;

import java.util.List;

import com.royee.ecport.biz.OrderBiz;
import com.royee.ecport.dao.*;
import com.royee.ecport.pojo.*;
import com.royee.ecport.web.Pager;

public class OrderBizImpl extends BizBase<Order> implements OrderBiz {
	private static OrderDao dao = (OrderDao) DaoFactory.getDao("Order");

	public OrderBizImpl() {
		super(dao);
	}

	public List<Order> findAllByUserId(Long uid, Pager page) {
		// TODO Auto-generated method stub
		List<Order> ret = null;
		begin();
		try {
			ret = dao.loadAllOrderByUserId(uid, page.getCurStart(), page
					.getPageSize());
			commit();
		} catch (Exception e) {
			e.printStackTrace();
			rollback();
		}
		return ret;
	}

	public int countByUserId(Long uid) {
		// TODO Auto-generated method stub
		int ret = 0;
		begin();
		try {
			ret = dao.countByUserId(uid);
			commit();
		} catch (Exception e) {
			e.printStackTrace();
			rollback();
		}
		return ret;
	}

	public void deleteByIdSafely(Long id, User user, OrderStatus status) {
		// TODO Auto-generated method stub
		begin();
		Order order = dao.getById(id);
		try {
			if (user.equals(order.getUser())
					&& status.equals(order.getStatus())){
				dao.delete(order);
				dao.flush();
			}
			commit();
		} catch (Exception e) {
			e.printStackTrace();
			rollback();
		}
	}

	@Override
	public Order getById(Long id) {
		// TODO Auto-generated method stub
		begin();
		Order order = dao.getById(id);
		order.getOrderLines();
		return order;
	}

}