ordersdao.java

C2C购物网站 含有数据库 解压后readme.txt里有详细说明

package com.shop;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.criterion.Example;

/**
 * Data access object (DAO) for domain model class Orders.
 * 
 * @see com.shop.Orders
 * @author MyEclipse Persistence Tools
 */

public class OrdersDAO extends BaseHibernateDAO {
	private static final Log log = LogFactory.getLog(OrdersDAO.class);

	// property constants
	public static final String GID = "gid";

	public static final String CID = "cid";

	public static final String MOUNT = "mount";

	public static final String PRICE = "price";

	public static final String TOTLE = "totle";

	public static final String CARRYTYPE = "carrytype";

	public static final String DATE = "date";

	public static final String ENFORCE = "enforce";

	public void save(Orders transientInstance) {
		log.debug("saving Orders instance");
		try {
			Transaction tx=getSession().beginTransaction();
			getSession().save(transientInstance);
			log.debug("save successful");
			tx.commit();
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}
	public void updata(Object id){
		try {
			Transaction tx=getSession().beginTransaction();
			getSession().merge(id);
			log.debug("save successful");
			tx.commit();
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
		
	}
	public void saveorUpdate(Orders order) {
		Session session=HibernateSessionFactory.getSession();
		Transaction tx=session.beginTransaction();		
		session.merge(order);
		tx.commit();
		HibernateSessionFactory.closeSession();
	}

	public void delete(Orders persistentInstance) {
		log.debug("deleting Orders instance");
		try {
			getSession().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Orders findById(java.lang.Integer id) {
		log.debug("getting Orders instance with id: " + id);
		try {
			Orders instance = (Orders) getSession().get("com.shop.Orders", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Orders instance) {
		log.debug("finding Orders instance by example");
		try {
			List results = getSession().createCriteria("com.shop.Orders").add(
					Example.create(instance)).list();
			log.debug("find by example successful, result size: "
					+ results.size());
			return results;
		} catch (RuntimeException re) {
			log.error("find by example failed", re);
			throw re;
		}
	}

	public List findByProperty(String propertyName, Object value) {
		log.debug("finding Orders instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Orders as model where model."
					+ propertyName + "= ?";
			Query queryObject = getSession().createQuery(queryString);
			queryObject.setParameter(0, value);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByGid(Object gid) {
		return findByProperty(GID, gid);
	}

	public List findByCid(Object cid) {
		return findByProperty(CID, cid);
	}

	public List findByMount(Object mount) {
		return findByProperty(MOUNT, mount);
	}

	public List findByPrice(Object price) {
		return findByProperty(PRICE, price);
	}

	public List findByTotle(Object totle) {
		return findByProperty(TOTLE, totle);
	}

	public List findByCarrytype(Object carrytype) {
		return findByProperty(CARRYTYPE, carrytype);
	}

	public List findByDate(Object date) {
		return findByProperty(DATE, date);
	}

	public List findByEnforce(Object enforce) {
		return findByProperty(ENFORCE, enforce);
	}

	public List findAll() {
		log.debug("finding all Orders instances");
		try {
			String queryString = "from Orders";
			Query queryObject = getSession().createQuery(queryString);
			return queryObject.list();
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

	public Orders merge(Orders detachedInstance) {
		log.debug("merging Orders instance");
		try {
			Orders result = (Orders) getSession().merge(detachedInstance);
			
		    
		
			log.debug("merge successful");
			return result;
		} catch (RuntimeException re) {
			log.error("merge failed", re);
			throw re;
		}
	}

	public void attachDirty(Orders instance) {
		log.debug("attaching dirty Orders instance");
		try {
			getSession().saveOrUpdate(instance);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}

	public void attachClean(Orders instance) {
		log.debug("attaching clean Orders instance");
		try {
			getSession().lock(instance, LockMode.NONE);
			log.debug("attach successful");
		} catch (RuntimeException re) {
			log.error("attach failed", re);
			throw re;
		}
	}
}