首页>代码>ssh开发最简单的注解版增删改查,数据库在里面,分层清晰,供大家学习用>/Annoth/src/com/cuikaixuan/hp/annoth/dao/impl/AnnothDAOimpl.java
package com.cuikaixuan.hp.annoth.dao.impl; 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 org.springframework.stereotype.Repository; import com.cuikaixuan.hp.annoth.dao.IAnnothDAO; import com.cuikaixuan.hp.annoth.entity.Annoth; /** * A data access object (DAO) providing persistence and search support for * Annoth 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.cuikaixuan.hp.annoth.entity.Annoth * @author MyEclipse Persistence Tools */ @Repository public class AnnothDAOimpl extends BaseDao implements IAnnothDAO { private static final Log log = LogFactory.getLog(AnnothDAOimpl.class); protected void initDao() { // do nothing } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#save(com.cuikaixuan.hp.annoth.entity.Annoth) */ public void save(Annoth transientInstance) { log.debug("saving Annoth instance"); try { getHibernateTemplate().save(transientInstance); log.debug("save successful"); } catch (RuntimeException re) { log.error("save failed", re); throw re; } } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#delete(com.cuikaixuan.hp.annoth.entity.Annoth) */ public void delete(Annoth persistentInstance) { log.debug("deleting Annoth instance"); try { getHibernateTemplate().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#findById(java.lang.Integer) */ public Annoth findById(java.lang.Integer id) { log.debug("getting Annoth instance with id: " + id); try { Annoth instance = (Annoth) getHibernateTemplate().get( "com.cuikaixuan.hp.annoth.entity.Annoth", id); return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#findByExample(com.cuikaixuan.hp.annoth.entity.Annoth) */ public List<Annoth> findByExample(Annoth instance) { log.debug("finding Annoth instance by example"); try { List<Annoth> results = (List<Annoth>) 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; } } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#findByProperty(java.lang.String, java.lang.Object) */ public List findByProperty(String propertyName, Object value) { log.debug("finding Annoth instance with property: " + propertyName + ", value: " + value); try { String queryString = "from Annoth as model where model." + propertyName + "= ?"; return getHibernateTemplate().find(queryString, value); } catch (RuntimeException re) { log.error("find by property name failed", re); throw re; } } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#findByAname(java.lang.Object) */ public List<Annoth> findByAname(Object aname) { return findByProperty(ANAME, aname); } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#findAll() */ public List findAll() { log.debug("finding all Annoth instances"); try { String queryString = "from Annoth"; return getHibernateTemplate().find(queryString); } catch (RuntimeException re) { log.error("find all failed", re); throw re; } } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#merge(com.cuikaixuan.hp.annoth.entity.Annoth) */ public Annoth merge(Annoth detachedInstance) { log.debug("merging Annoth instance"); try { Annoth result = (Annoth) getHibernateTemplate().merge( detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#attachDirty(com.cuikaixuan.hp.annoth.entity.Annoth) */ public void attachDirty(Annoth instance) { log.debug("attaching dirty Annoth instance"); try { getHibernateTemplate().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } /* (non-Javadoc) * @see com.cuikaixuan.hp.annoth.dao.impl.IAnnothDAO#attachClean(com.cuikaixuan.hp.annoth.entity.Annoth) */ public void attachClean(Annoth instance) { log.debug("attaching clean Annoth instance"); try { getHibernateTemplate().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public static IAnnothDAO getFromApplicationContext(ApplicationContext ctx) { return (IAnnothDAO) ctx.getBean("AnnothDAO"); } }
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