bikedao.java

来自「网上商店。提供网上销售」· Java 代码 · 共 139 行

package ydh.bike;
// default package

import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

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

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

	protected void initDao() {
		//do nothing
	}
    
    public void save(Bike transientInstance) {
        log.debug("saving Bike instance");
        try {
            getHibernateTemplate().save(transientInstance);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            throw re;
        }
    }
    
    public List findid(String id){
    	List l=this.getHibernateTemplate().find("from Product where id="+id+" ");
    	return l;
    }
    
	public void delete(Bike persistentInstance) {
        log.debug("deleting Bike instance");
        try {
            getHibernateTemplate().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }
    
    public Bike findById( java.lang.Integer id) {
        log.debug("getting Bike instance with id: " + id);
        try {
            Bike instance = (Bike) getHibernateTemplate()
                    .get("Bike", id);
            return instance;
        } catch (RuntimeException re) {
            log.error("get failed", re);
            throw re;
        }
    }
    
    
    public List findByExample(Bike instance) {
        log.debug("finding Bike 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 Bike instance with property: " + propertyName
            + ", value: " + value);
      try {
         String queryString = "from Bike 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 Bike instances");
		try {
			String queryString = "from Bike";
		 	return getHibernateTemplate().find(queryString);
		} catch (RuntimeException re) {
			log.error("find all failed", re);
			throw re;
		}
	}
	
    public Bike merge(Bike detachedInstance) {
        log.debug("merging Bike instance");
        try {
            Bike result = (Bike) getHibernateTemplate()
                    .merge(detachedInstance);
            log.debug("merge successful");
            return result;
        } catch (RuntimeException re) {
            log.error("merge failed", re);
            throw re;
        }
    }

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

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