hibernateDemo

package com.yongan.pojo; // Generated 2004-4-7 9:36:34 by Hibernate Tools 3.2.0.b9 import java.util.List; import javax.naming.InitialContext; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.hibernate.LockMode; import org.hibernate.Query; import org.hibernate.SessionFactory; import org.hibernate.criterion.Example; import com.yongan.hibernate.BaseHome; /** * Home object for domain model class Name. * * @see com.yongan.pojo.Name * @author Hibernate Tools */ public class NameHome extends BaseHome { private static final Log log = LogFactory.getLog(NameHome.class); public void persist(Name transientInstance) { log.debug("persisting Name instance"); try { currentSession().persist(transientInstance); log.debug("persist successful"); } catch (RuntimeException re) { log.error("persist failed", re); throw re; } } public void attachDirty(Name instance) { log.debug("attaching dirty Name instance"); try { currentSession().saveOrUpdate(instance); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void attachClean(Name instance) { log.debug("attaching clean Name instance"); try { currentSession().lock(instance, LockMode.NONE); log.debug("attach successful"); } catch (RuntimeException re) { log.error("attach failed", re); throw re; } } public void delete(Name persistentInstance) { log.debug("deleting Name instance"); try { currentSession().delete(persistentInstance); log.debug("delete successful"); } catch (RuntimeException re) { log.error("delete failed", re); throw re; } } public Name merge(Name detachedInstance) { log.debug("merging Name instance"); try { Name result = (Name) currentSession().merge(detachedInstance); log.debug("merge successful"); return result; } catch (RuntimeException re) { log.error("merge failed", re); throw re; } } public Name findById(int id) { log.debug("getting Name instance with id: " + id); try { Name instance = (Name) currentSession().get("com.yongan.pojo.Name", id); if (instance == null) { log.debug("get successful, no instance found"); } else { log.debug("get successful, instance found"); } return instance; } catch (RuntimeException re) { log.error("get failed", re); throw re; } } public List findByExample(Name instance) { log.debug("finding Name instance by example"); try { List results = currentSession().createCriteria( "com.yongan.pojo.Name").add(Example.create(instance)) .list(); log.debug("find by example successful, result size: " + results.size()); return results; } catch (RuntimeException re) { log.error("find by example failed", re); throw re; } } /* * 查找所有的对象，主要根据记录的开始位置和显示条数 */ public List findByAll(int firstResult, int maxResult) { Query query = currentSession().createQuery("from Name"); query.setFirstResult(firstResult);// 记录开始的位置 query.setMaxResults(maxResult);// 记录显示的条数 return query.list(); } public List findByAll() { Query query = currentSession().createQuery("from Name"); return query.list(); } /* * 返回所有的记录 */ public int getResult() { Query query = currentSession().createQuery("from Name"); return query.list().size(); } public static void main(String[] args) { System.out.print(new NameHome().getResult()); } }