advertdao.java

Hibernate基础教程一书源码.Hibernate是一个持久层开源框架

package sample.dao;

import org.hibernate.HibernateException;

import sample.AdException;
import sample.entity.Advert;
import sample.entity.User;

public class AdvertDAO extends DAO {
   public Advert create(String title, String message, User user)
         throws AdException {
      try {
         begin();
         Advert advert = new Advert(title, message, user);
         getSession().save(advert);
         commit();
         return advert;
      } catch (HibernateException e) {
         rollback();
         throw new AdException("Could not create advert", e);
      }
   }

   public void delete(Advert advert)
      throws AdException
   {
      try {
         begin();
         getSession().delete(advert);
         commit();
      } catch (HibernateException e) {
         rollback();
         throw new AdException("Could not delete advert", e);
      }
   }

}