/* */ package cn.lee.market.dao; /* */ /* */ import cn.lee.market.model.Student; /* */ import java.util.List; /* */ import org.apache.commons.logging.Log; /* */ import org.apache.commons.logging.LogFactory; /* */ import org.hibernate.Criteria; /* */ import org.hibernate.LockMode; /* */ import org.hibernate.Query; /* */ import org.hibernate.Session; /* */ import org.hibernate.criterion.Example; /* */ /* */ public class StudentDAO extends BaseHibernateDAO /* */ { /* 21 */ private static final Log log = LogFactory.getLog(StudentDAO.class); /* */ public static final String STU_NAME = "stu_name"; /* */ public static final String SEX = "sex"; /* */ /* */ public void save(Student transientInstance) /* */ { /* 29 */ log.debug("saving Student instance"); /* */ try { /* 31 */ getSession().save(transientInstance); /* 32 */ log.debug("save successful"); /* */ } catch (RuntimeException re) { /* 34 */ log.error("save failed", re); /* 35 */ throw re; /* */ } /* */ } /* */ /* */ public void delete(Student persistentInstance) { /* 40 */ log.debug("deleting Student instance"); /* */ try { /* 42 */ getSession().delete(persistentInstance); /* 43 */ log.debug("delete successful"); /* */ } catch (RuntimeException re) { /* 45 */ log.error("delete failed", re); /* 46 */ throw re; /* */ } /* */ } /* */ /* */ public Student findById(String id) { /* 51 */ log.debug("getting Student instance with id: " + id); /* */ try { /* 53 */ return (Student)getSession() /* 54 */ .get(Student.class, id); /* */ } /* */ catch (RuntimeException re) { /* 57 */ log.error("get failed", re); /* 58 */ throw re; /* */ } /* */ } /* */ /* */ public List findByExample(Student instance) /* */ { /* 64 */ log.debug("finding Student instance by example"); /* */ try { /* 66 */ List results = getSession() /* 67 */ .createCriteria(Student.class) /* 68 */ .add(Example.create(instance)) /* 69 */ .list(); /* 70 */ log.debug("find by example successful, result size: " + results.size()); /* 71 */ return results; /* */ } catch (RuntimeException re) { /* 73 */ log.error("find by example failed", re); /* 74 */ throw re; /* */ } /* */ } /* */ /* */ public List findByProperty(String propertyName, Object value) { /* 79 */ log.debug("finding Student instance with property: " + propertyName + /* 80 */ ", value: " + value); /* */ try { /* 82 */ String queryString = "from Student as model where model." + /* 83 */ propertyName + "= ?"; /* 84 */ Query queryObject = getSession().createQuery(queryString); /* 85 */ queryObject.setParameter(0, value); /* 86 */ return queryObject.list(); /* */ } catch (RuntimeException re) { /* 88 */ log.error("find by property name failed", re); /* 89 */ throw re; /* */ } /* */ } /* */ /* */ public List findByStu_name(Object stu_name) { /* 94 */ return findByProperty("stu_name", stu_name); /* */ } /* */ /* */ public List findBySex(Object sex) { /* 98 */ return findByProperty("sex", sex); /* */ } /* */ /* */ public Student merge(Student detachedInstance) { /* 102 */ log.debug("merging Student instance"); /* */ try { /* 104 */ Student result = (Student)getSession() /* 105 */ .merge(detachedInstance); /* 106 */ log.debug("merge successful"); /* 107 */ return result; /* */ } catch (RuntimeException re) { /* 109 */ log.error("merge failed", re); /* 110 */ throw re; /* */ } /* */ } /* */ /* */ public void attachDirty(Student instance) { /* 115 */ log.debug("attaching dirty Student instance"); /* */ try { /* 117 */ getSession().saveOrUpdate(instance); /* 118 */ log.debug("attach successful"); /* */ } catch (RuntimeException re) { /* 120 */ log.error("attach failed", re); /* 121 */ throw re; /* */ } /* */ } /* */ /* */ public void attachClean(Student instance) { /* 126 */ log.debug("attaching clean Student instance"); /* */ try { /* 128 */ getSession().lock(instance, LockMode.NONE); /* 129 */ log.debug("attach successful"); /* */ } catch (RuntimeException re) { /* 131 */ log.error("attach failed", re); /* 132 */ throw re; /* */ } /* */ } /* */ } /* Location: C:\Users\muye\Desktop\51\校园二手交易平台设计与论文\market\code\market\WEB-INF\classes\ * Qualified Name: cn.lee.market.dao.StudentDAO * JD-Core Version: 0.6.1 */