JSF+Spring+Hibernate Hello学习程序

package dao.hbn; import java.util.Date; 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 dao.PwdDao; import domain.Password; /** * A data access object (DAO) providing persistence and search support for * Password entities. Transaction control of the save(), update() and delete() * operations can directly support Spring container-managed transactions or they * can be augmented to handle user-managed Spring transactions. Each of these * methods provides additional information for how to configure it for the * desired type of transaction control. * * @see domain.Password * @author MyEclipse Persistence Tools */ public class PwddDAOHbnImpl extends HibernateDaoSupport implements PwdDao{ private static final Log log = LogFactory.getLog(PwddDAOHbnImpl.class); // property constants public static final String NAME = "name"; public static final String USER_ID = "userId"; public static final String PASSWORD = "password"; public static final String NOTE = "note"; public static final String CREATE_BY = "createBy"; public static final String UPDATE_BY = "updateBy"; public static final String ALIAS = "alias"; protected void initDao() { // do nothing } public void save(Password transientInstance) { log.debug("saving Password instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(Password persistentInstance) { log.debug("deleting Password instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public Password findById(java.lang.Integer id) { log.debug("getting Password instance with id: " + id); try { Password instance = (Password) getHibernateTemplate().get( "domain.Password", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List findByExample(Password instance) { log.debug("finding Password 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 Password instance with property: " + propertyName + ", value: " + value); try { String queryString = "from Password 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 findByName(Object name) { return findByProperty(NAME, name); } public List findByUserId(Object userId) { return findByProperty(USER_ID, userId); } public List findByPassword(Object password) { return findByProperty(PASSWORD, password); } public List findByNote(Object note) { return findByProperty(NOTE, note); } public List findByCreateBy(Object createBy) { return findByProperty(CREATE_BY, createBy); } public List findByUpdateBy(Object updateBy) { return findByProperty(UPDATE_BY, updateBy); } public List findByAlias(Object alias) { return findByProperty(ALIAS, alias); } public List findAll() { log.debug("finding all Password instances"); try { String queryString = "from Password"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public Password merge(Password detachedInstance) { log.debug("merging Password instance"); try { Password result = (Password) getHibernateTemplate().merge( detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(Password instance) { log.debug("attaching dirty Password instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(Password instance) { log.debug("attaching clean Password instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static PwddDAOHbnImpl getFromApplicationContext(ApplicationContext ctx) { return (PwddDAOHbnImpl) ctx.getBean("PasswordDAO"); } public Password getPwdByName(String name) { return (Password) findByName(name); } @SuppressWarnings("unchecked") public List<Password> getPwds() { return findAll(); } public Password getPwdById(Integer id) { return findById(id); } }