130 lines
3.0 KiB
Java
130 lines
3.0 KiB
Java
package luckyweb.seagull.spring.dao;
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import java.util.List;
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import javax.annotation.Resource;
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import org.hibernate.HibernateException;
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import org.hibernate.Query;
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import org.hibernate.Session;
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import org.hibernate.SessionFactory;
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import org.springframework.orm.hibernate3.HibernateCallback;
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import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
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import org.springframework.stereotype.Repository;
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import luckyweb.seagull.spring.entity.ReviewInfo;
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@Repository("reviewInfoDao")
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public class ReviewInfoDaoImpl extends HibernateDaoSupport implements ReviewInfoDao{
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@Resource(name = "sessionFactory")
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public void setSuperSessionFactory(SessionFactory sessionFactory) {
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super.setSessionFactory(sessionFactory);
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}
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@Override
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public void delete(int id) throws Exception {
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try{
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ReviewInfo reviewinfo = this.get(id);
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this.getHibernateTemplate().delete(reviewinfo);
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}catch(Exception e){
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e.printStackTrace();
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}
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}
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@Override
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public void update(String hql) throws Exception {
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Session session=this.getSession(true);
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session.beginTransaction();
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Query query =session .createQuery(hql);
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query.executeUpdate();
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session.getTransaction().commit();
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session.close();
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}
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private void whereParameter(ReviewInfo reviewinfo, Query query) {
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if (reviewinfo.getReview_id()!=0) {
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query.setParameter("review_id", reviewinfo.getReview_id());
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}
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}
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@Override
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public List findByPage(final String hql, final Object value, final int offset, final int pageSize) {
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// TODO Auto-generated method stub
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// 通过一个HibernateCallback 对象来执行查询
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//System.out.println(hql);
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List list = getHibernateTemplate().executeFind(new HibernateCallback() {
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// 实现hibernateCallback接口必须实现的方法
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public Object doInHibernate(Session session)
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throws HibernateException {
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// 执行hibernate 分页查询
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Query query= session.createQuery(hql);
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whereParameter((ReviewInfo)value, query);
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List result =query
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.setFirstResult(offset).setMaxResults(pageSize).list();
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session.close();
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return result;
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}
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});
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return list;
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}
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@Override
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public int findRows(ReviewInfo reviewinfo, String hql) {
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int s=0;
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Session session=this.getSession(true);
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try {
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Query query=session.createQuery(hql);
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whereParameter(reviewinfo, query);
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s= Integer.valueOf(
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query
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.list().get(0)
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.toString());
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} catch (Exception e) {
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e.printStackTrace();
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}finally{
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session.close();
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}
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return s;
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}
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@Override
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public int add(ReviewInfo reviewinfo) throws Exception {
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this.getHibernateTemplate().save(reviewinfo);
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return reviewinfo.getId();
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}
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@Override
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public void modify(ReviewInfo reviewinfo) throws Exception {
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this.getHibernateTemplate().update(reviewinfo);
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}
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@Override
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public List<ReviewInfo> list(ReviewInfo reviewinfo)
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throws Exception {
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// TODO Auto-generated method stub
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return null;
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}
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@Override
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public ReviewInfo get(int id) throws Exception {
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// TODO Auto-generated method stub
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return (ReviewInfo) this.getHibernateTemplate().get(ReviewInfo.class, id);
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}
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}
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