package com.green.dao;

import java.io.UnsupportedEncodingException;
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.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
import org.springframework.transaction.annotation.Transactional;
import com.green.vo.Goods;


/**
 * A data access object (DAO) providing persistence and search support for Goods
 * entities. Transaction control of the save(), update() and delete() operations
 * can directly support Spring container-managed transactions or they can be
 * augmented to handle user-managed Spring transactions. Each of these methods
 * provides additional information for how to configure it for the desired type
 * of transaction control.
 * 
 * @see com.green.vo.Goods
 * @author MyEclipse Persistence Tools
 */
@Transactional
public class GoodsDAO extends HibernateDaoSupport {
	private static final Log log = LogFactory.getLog(GoodsDAO.class);
	// property constants
	public static final String NUM = "num";
	public static final String NAME = "name";
	public static final String IMAGE = "image";
	public static final String PRICE = "price";
	public static final String AMOUNT = "amount";
	public static final String SPECIALFLAG = "specialflag";
	public static final String UPLOADTIME = "uploadtime";
	public static final String SALESFLAG = "salesflag";
	public static final String INTRODUCE = "introduce";
	public static final String TEXT = "text";

	protected void initDao() {
		// do nothing
	}
	public List searchByName(String name)
	{
		try{
		
			String paramter="%" +name+"%";
			String queryString = "from Goods where name like ? ";
			
			return this.getHibernateTemplate().find(queryString, paramter);
			
			
		} catch (RuntimeException re) {
			log.error("find by name failed", re);
			throw re;
		}
		
	}
	public List searchBytext(String text)
	{
		try{
			
			String paramter="%" +text+"%";
			String queryString = "from Goods where introduce like ? ";
			
			return this.getHibernateTemplate().find(queryString, paramter);
			
			
		} catch (RuntimeException re) {
			log.error("find by name failed", re);
			throw re;
		}
	}
	/*
	 * ����Ƽ�4����Ʒ��check
	 */
	public int getcountspecialf()
	{
		String hql="select  count(*) from  Goods where 	specialflag=1";
		Query query=this.getSession().createQuery(hql);
		Integer it=(Integer)query.list().get(0);
		return  it.intValue();
	}
	/*
	 * ������Ʒ����ʾ
	 */
	public List  findByNew(){
		String hql="from  Goods  order by uploadtime desc";
		Query query=this.getSession().createQuery(hql);
		return query.list();
		
	}
	/*
	 * ��ȡ�������
	 */
	public int gettotalCount()
	{
		String hql="select count(*) from  Goods";
		Query query=this.getSession().createQuery(hql);
		Integer it=(Integer)query.list().get(0);
		return  it.intValue();
	}
	/*
	 * ��ȡ��ҳ��
	 */
	public int gettotalPage(int totalCount,int prePage)
	{
		int totalPage=0;
		if(totalCount%prePage==0)
		{
			totalPage=totalCount/prePage;
		}
		else
			totalPage=totalCount/prePage+1;
		return  totalPage;
	}
	/*
	 * ��ȡÿҳ��ʾ�����
	 */
	public List getlistshowall(int currentPage,int prePage)
	{
		String hql="from  Goods ";
		Query query=this.getSession().createQuery(hql);
		query.setFirstResult((currentPage-1)*prePage);
		query.setMaxResults(prePage);
		return query.list();
	}
	

	public void save(Goods transientInstance) {
		log.debug("saving Goods instance");
		try {
			getHibernateTemplate().save(transientInstance);
			log.debug("save successful");
		} catch (RuntimeException re) {
			log.error("save failed", re);
			throw re;
		}
	}
	public void update(Goods goods) {
		String querysql="update  Goods  set  name=?,price=?,amount=?,specialflag=?,salesflag=?,introduce=?,text=?,categoryid=? where  num=?";
		try {
			Query queryObject =this.getSession().createQuery(querysql);
			queryObject.setParameter(0, goods.getName());
			queryObject.setParameter(1,goods.getPrice() );
			queryObject.setParameter(2, goods.getAmount());
			queryObject.setParameter(3, goods.getSpecialflag());
			queryObject.setParameter(4, goods.getSalesflag());
			queryObject.setParameter(5, goods.getIntroduce());
			queryObject.setParameter(6, goods.getText());
			queryObject.setParameter(7, goods.getCategory());
			queryObject.setParameter(8, goods.getNum());
			queryObject.executeUpdate();
			
		} catch (RuntimeException re) {
			
			throw re;
		}
	}
	public void update1(Goods goods) {
		String querysql="update  Goods  set  name=?,price=?,amount=?,specialflag=?,salesflag=?,introduce=?,text=?,categoryid=?,image=? where  num=?";
		try {
			Query queryObject =this.getSession().createQuery(querysql);
			queryObject.setParameter(0, goods.getName());
			queryObject.setParameter(1,goods.getPrice() );
			queryObject.setParameter(2, goods.getAmount());
			queryObject.setParameter(3, goods.getSpecialflag());
			queryObject.setParameter(4, goods.getSalesflag());
			queryObject.setParameter(5, goods.getIntroduce());
			queryObject.setParameter(6, goods.getText());
			queryObject.setParameter(7, goods.getCategory());
			queryObject.setParameter(8, goods.getImage());
			queryObject.setParameter(9, goods.getNum());
			queryObject.executeUpdate();
			
		} catch (RuntimeException re) {
			
			throw re;
		}
	}
	public void delete(Goods persistentInstance) {
		log.debug("deleting Goods instance");
		try {
			getHibernateTemplate().delete(persistentInstance);
			log.debug("delete successful");
		} catch (RuntimeException re) {
			log.error("delete failed", re);
			throw re;
		}
	}

	public Goods findById(java.lang.Long id) {
		log.debug("getting Goods instance with id: " + id);
		try {
			Goods instance = (Goods) getHibernateTemplate().get(
					"com.green.vo.Goods", id);
			return instance;
		} catch (RuntimeException re) {
			log.error("get failed", re);
			throw re;
		}
	}

	public List findByExample(Goods instance) {
		log.debug("finding Goods instance by example");
		try {
			List results = getHibernateTemplate().findByExample(instance);
			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 Goods instance with property: " + propertyName
				+ ", value: " + value);
		try {
			String queryString = "from Goods as model where model."
					+ propertyName + "= ?";
			return getHibernateTemplate().find(queryString, value);
		} catch (RuntimeException re) {
			log.error("find by property name failed", re);
			throw re;
		}
	}

	public List findByNum(Object num) {
		return findByProperty(NUM, num);
	}

	public List findByName(Object name) {
		return findByProperty(NAME, name);
	}

	public List findByImage(Object image) {
		return findByProperty(IMAGE, image);
	}

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

	public List findByAmount(Object amount) {
		return findByProperty(AMOUNT, amount);
	}

	public List findBySpecialflag(Object specialflag) {
		return findByProperty(SPECIALFLAG, specialflag);
	}

	public List findByUploadtime(Object uploadtime) {
		return findByProperty(UPLOADTIME, uploadtime);
	}

	public List findBySalesflag(Object salesflag) {
		return findByProperty(SALESFLAG, salesflag);
	}

	public List findByIntroduce(Object introduce) {
		return findByProperty(INTRODUCE, introduce);
	}

	public List findByText(Object text) {
		return findByProperty(TEXT, text);
	}

	public List findAll() {
		log.debug("finding all Goods instances");
		try {
			String queryString = "from Goods";
			return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}

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

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

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

	public static GoodsDAO getFromApplicationContext(ApplicationContext ctx) {
		return (GoodsDAO) ctx.getBean("GoodsDAO");
	}
}