ordersdaoimpl.java

本系统是网上购物的详细代码

package cn.com.tarena.ecport.dao.impl;

import java.util.List;

import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.criterion.Example;

import cn.com.tarena.ecport.common.util.HibernateUtil;
import cn.com.tarena.ecport.dao.IOrdersDAO;
import cn.com.tarena.ecport.exception.ECPortException;
import cn.com.tarena.ecport.pojo.Orders;

public class OrdersDAOImpl implements IOrdersDAO {

	@SuppressWarnings("unchecked")
	public List<Orders> findAllOrders() throws ECPortException {
		try {
			List<Orders> orders = HibernateUtil.getSessionFactory().getCurrentSession().createQuery("from Orders").list();
			return orders;
		} catch (RuntimeException re) {
			throw re;
		}
	}

	public void delete(Orders persistencePojo) {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().delete(persistencePojo);
		} catch (RuntimeException e) {
			throw e;
		}
	}

	@SuppressWarnings("unchecked")
	public List<Orders> findByExample(Orders ExamplePojo) {
		try {
			List<Orders> results = HibernateUtil.getSessionFactory().getCurrentSession().createCriteria("Orders").add(
							Example.create(ExamplePojo)).list();
			return results;
		} catch (RuntimeException re) {
			throw re;
		}
	}

	public Orders findById(Long id) {
		try {
			Orders order = (Orders) HibernateUtil.getSessionFactory().getCurrentSession().get(Orders.class, id);
			return order;
		} catch (RuntimeException e) {
			throw e;
		}
	}

	@SuppressWarnings("unchecked")
	public List<Orders> findByProperty(String propertyName, Object value) {
		try {
			String queryString = "from Orders as model where model."+ propertyName + "= ?";
			Query queryObject = HibernateUtil.getSessionFactory().getCurrentSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			throw re;
		}
	}

	public void lock(Orders pojo) {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().lock(pojo, LockMode.READ);
		} catch (RuntimeException e) {
			throw e;
		}
	}

	public Orders merge(Orders detachedPojo) {
		try {
			Orders result = (Orders) HibernateUtil.getSessionFactory().getCurrentSession().merge(detachedPojo);
			return result;
		} catch (RuntimeException re) {
			throw re;
		}
	}

	public void save(Orders transientPojo) {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().save(transientPojo);
		} catch (RuntimeException e) {
			throw e;
		}
	}

	public void saveOrUpdate(Orders pojo) {
		try {
			HibernateUtil.getSessionFactory().getCurrentSession().saveOrUpdate(pojo);
		} catch (RuntimeException re) {
			throw re;
		}
	}

}