LuckyFrameWeb/src/main/java/luckyweb/seagull/spring/dao/ReviewInfoDaoImpl.java

130 lines
3.0 KiB
Java

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