productdao.java

网上商店。提供网上销售

package ydh.product;
// 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 Product.
 * @see .Product
  * @author MyEclipse Persistence Tools 
 */

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

	protected void initDao() {
		//do nothing
	}
    
	  public List findid(String id){
	    	List l=this.getHibernateTemplate().find("from Product where id="+id+" ");
	    	return l;
	    }
	
    public void save(Product transientInstance) {
        log.debug("saving Product instance");
        try {
            getHibernateTemplate().save(transientInstance);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            throw re;
        }
    }
    
	public void delete(Product persistentInstance) {
        log.debug("deleting Product instance");
        try {
            getHibernateTemplate().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }
    
    public Product findById( java.lang.Integer id) {
        log.debug("getting Product instance with id: " + id);
        try {
            Product instance = (Product) getHibernateTemplate()
                    .get("Product", id);
            return instance;
        } catch (RuntimeException re) {
            log.error("get failed", re);
            throw re;
        }
    }
    
    public List search(String name){
    	List l=this.getHibernateTemplate().find("from Product where productname like '%"+name+"%' ");
    	return l;
    }
    
    public List findByExample(Product instance) {
        log.debug("finding Product 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 Product instance with property: " + propertyName
            + ", value: " + value);
      try {
         String queryString = "from Product as model where model." 
         						+ propertyName + "= ?";
		 return getHibernateTemplate().find(queryString, value);
      } catch (RuntimeException re) {
         log.error("find by property name failed", re);
         throw re;
      }
	}
    public Product findByid(String id){
		  return (Product)getHibernateTemplate().load(Product.class, id);
	  }
    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 Product");
				q.setFirstResult(firstRow);
				q.setMaxResults(maxResults);
				return q.list();
			}
		});
	}
    public void update(Product p){
           this.getHibernateTemplate().update(p);
}

    public List findAll(final int firstRow,final int maxResults,final String c){
		return this.getHibernateTemplate().executeFind(new HibernateCallback(){
			public Object doInHibernate(Session session) throws SQLException,HibernateException{
				Query q=session.createQuery("from Product o where o.catalog.id='"+c+"'");
				q.setFirstResult(firstRow);
				q.setMaxResults(maxResults);
				return q.list();
			}
		});
	}
	public List findAll() {
		log.debug("finding all Product instances");
		try {
			String queryString = "from Product ";
		 	return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
	public List findAll(String c) {
		log.debug("finding all Product instances");
		try {
			String queryString = "from Product o where o.catalog.id='"+c+"'";
		 	return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
	public List newgoods() {
		log.debug("finding all Product instances");
		try {
			String queryString = "from Product o where o.form='新品'";
		 	return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
    public List newgoods(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 Product o where o.form='新品'");
				q.setFirstResult(firstRow);
				q.setMaxResults(maxResults);
				return q.list();
			}
		});
	}
	public List salegoods() {
		log.debug("finding all Product instances");
		try {
			String queryString = "from Product o where o.form='特价'";
		 	return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
	public List salegoods(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 Product o where o.form='特价'");
				q.setFirstResult(firstRow);
				q.setMaxResults(maxResults);
				return q.list();
			}
		});
	}
    public Product merge(Product detachedInstance) {
        log.debug("merging Product instance");
        try {
            Product result = (Product) getHibernateTemplate()
                    .merge(detachedInstance);
            log.debug("merge successful");
            return result;
        } catch (RuntimeException re) {
            log.error("merge failed", re);
            throw re;
        }
    }

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

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