itemdao.java

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package ydh.item;
// default package

import java.sql.SQLException;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.Query;
import org.hibernate.Session;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

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

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

	protected void initDao() {
		//do nothing
	}
	 public List findAll(final int firstRow,final int maxResults){
			return this.getHibernateTemplate().executeFind(new HibernateCallback(){
				public Object doInHibernate(Session session) throws SQLException,HibernateException{
					Query q=session.createQuery("from Item");
					q.setFirstResult(firstRow);
					q.setMaxResults(maxResults);
					return q.list();
				}
			});
		}
	 
	public List order(String userid){
		System.out.println("userid="+userid);
		List l=this.getHibernateTemplate().find("from Item i where i.user.id='"+userid+"'");
	   return l;
	}
	 public List findAll1(final int firstRow,final int maxResults){
			return this.getHibernateTemplate().executeFind(new HibernateCallback(){
				public Object doInHibernate(Session session) throws SQLException,HibernateException{
					Query q=session.createQuery("from Item where status='新订单' ");
					q.setFirstResult(firstRow);
					q.setMaxResults(maxResults);
					return q.list();
				}
			});
		}
    public void save(Item transientInstance) {
        log.debug("saving Item instance");
        try {
            getHibernateTemplate().save(transientInstance);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            throw re;
        }
    }
    
	public void delete(Item persistentInstance) {
        log.debug("deleting Item instance");
        try {
            getHibernateTemplate().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }
    
    public Item findById( java.lang.Integer id) {
        log.debug("getting Item instance with id: " + id);
        try {
            Item instance = (Item) getHibernateTemplate()
                    .get("Item", id);
            return instance;
        } catch (RuntimeException re) {
            log.error("get failed", re);
            throw re;
        }
    }
    
    
    public List findByExample(Item instance) {
        log.debug("finding Item 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 Item instance with property: " + propertyName
            + ", value: " + value);
      try {
         String queryString = "from Item 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 findAll() {
		log.debug("finding all Item instances");
		try {
			String queryString = "from Item";
		 	return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
	
	public List findAll1() {
		log.debug("finding all Item instances");
		try {
			String queryString = "from Item where status='新订单'";
		 	return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
	
    public Item merge(Item detachedInstance) {
        log.debug("merging Item instance");
        try {
            Item result = (Item) getHibernateTemplate()
                    .merge(detachedInstance);
            log.debug("merge successful");
            return result;
        } catch (RuntimeException re) {
            log.error("merge failed", re);
            throw re;
        }
    }

    public void attachDirty(Item instance) {
        log.debug("attaching dirty Item instance");
        try {
            getHibernateTemplate().saveOrUpdate(instance);
            log.debug("attach successful");
        } catch (RuntimeException re) {
            log.error("attach failed", re);
            throw re;
        }
    }
    public List send(String id){
    	return this.getHibernateTemplate().find("from Item i where i.id='"+id+"' ");
    }
    public Item send1(String id){
    	return (Item)this.getHibernateTemplate().load(Item.class,id);
    }
    public void attachClean(Item instance) {
        log.debug("attaching clean Item instance");
        try {
            getHibernateTemplate().lock(instance, LockMode.NONE);
            log.debug("attach successful");
        } catch (RuntimeException re) {
            log.error("attach failed", re);
            throw re;
        }
    }
    public void update(Item i){
    	this.getHibernateTemplate().update(i);
    }
	public static ItemDAO getFromApplicationContext(ApplicationContext ctx) {
    	return (ItemDAO) ctx.getBean("ItemDAO");
	}
}