60fe15a9a5ae001c1cf0ed8a423fa3fa

《v512工作室_Java高端培训系列视频》(Java JSP Servlet Struts Struts2 Hibernate Spring Eclipse Compass Lucene)12月16

package com.v512.guestbook.dao.hibernate;

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;

import com.v512.guestbook.model.Guestbook;

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

    protected void initDao() {
	// do nothing
    }
    public void save(Guestbook transientInstance) {
	log.debug("saving Guestbook instance");
	try {
	    getHibernateTemplate().save(transientInstance);
	    log.debug("save successful");
	} catch (RuntimeException re) {
	    log.error("save failed", re);
	    throw re;
	}
    }
    public void delete(Guestbook persistentInstance) {
	log.debug("deleting Guestbook instance");
	try {
	    getHibernateTemplate().delete(persistentInstance);
	    log.debug("delete successful");
	} catch (RuntimeException re) {
	    log.error("delete failed", re);
	    throw re;
	}
    }
    public Guestbook getArticle(java.lang.Long id) {
	log.debug("getting Guestbook instance with id: " + id);
	try {
	    Guestbook instance = (Guestbook) getHibernateTemplate().get("com.v512.guestbook.model.Guestbook", id);
	    return instance;
	} catch (RuntimeException re) {
	    log.error("get failed", re);
	    throw re;
	}
    }
    public List getArticles() {
	log.debug("finding all Guestbook instances");
	try {
	    String queryString = "from Guestbook";
	    return getHibernateTemplate().find(queryString);
	} catch (RuntimeException re) {
	    log.error("find all failed", re);
	    throw re;
	}
    }  
    public void update(Guestbook instance) {
	log.debug("attaching dirty Guestbook instance");
	try {
	    getHibernateTemplate().saveOrUpdate(instance);
	    log.debug("attach successful");
	} catch (RuntimeException re) {
	    log.error("attach failed", re);
	    throw re;
	}
    } 
  }