SpringMVC3 + Hibernate4 例子代码

package com.pas.dao; import java.util.List; import org.hibernate.LockMode; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.context.ApplicationContext; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; import org.springframework.stereotype.Repository; import com.pas.pojo.Test; /** * A data access object (DAO) providing persistence and search support for Test * 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 com.pas.pojo.Test * @author MyEclipse Persistence Tools */ @Repository public class TestDAO extends HibernateDaoSupport { private static final Logger log = LoggerFactory.getLogger(TestDAO.class); // property constants public static final String NAME = "name"; @Autowired public void setSessionFactoryOverride(SessionFactory sessionFactory) { super.setSessionFactory(sessionFactory); } protected void initDao() { // do nothing } public void saveTest(Test transientInstance) { log.debug("saving Test instance"); try { Session session = super.getSessionFactory().getCurrentSession(); session.saveOrUpdate(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } throw new RuntimeException("自定义异常");//不提交测试代码 } public void save(Test transientInstance) { log.debug("saving Test instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } public void delete(Test persistentInstance) { log.debug("deleting Test instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public Test findById(java.lang.Integer id) { log.debug("getting Test instance with id: " + id); try { Test instance = (Test) getHibernateTemplate().get( "com.pas.pojo.Test", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List<Test> findByExample(Test instance) { log.debug("finding Test instance by example"); try { List<Test> results = (List<Test>) 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 Test instance with property: " + propertyName + ", value: " + value); try { String queryString = "from Test 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<Test> findByName(Object name) { return findByProperty(NAME, name); } public List findAll() { log.debug("finding all Test instances"); try { String queryString = "from Test"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } public Test merge(Test detachedInstance) { log.debug("merging Test instance"); try { Test result = (Test) getHibernateTemplate().merge(detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public void attachDirty(Test instance) { log.debug("attaching dirty Test instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(Test instance) { log.debug("attaching clean Test instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static TestDAO getFromApplicationContext(ApplicationContext ctx) { return (TestDAO) ctx.getBean("TestDAO"); } }