remarkdaohibernate.java

菲律宾的一个大学的图书管理系统 spring+hibernate+velocity

/*
 * 创建日期 2005-5-16
 */
package biz.bluesky.pts.service.dao.impl;

import java.util.List;

import org.springframework.orm.ObjectRetrievalFailureException;

import biz.bluesky.pts.model.TRemark;
import biz.bluesky.pts.model.TSchool;
import biz.bluesky.pts.service.dao.IRemarkDAO;

public class RemarkDAOHibernate extends BaseDAOHibernate implements 
		IRemarkDAO{

    
    //新增评语
    public void saveRemark(TRemark remark) {
    	getHibernateTemplate().saveOrUpdate(remark);
    	getHibernateTemplate().flush();
    }

    //删除评语	
    public void removeRemark(int remarkId) {
    	TRemark remark = findRemark(remarkId);
    	getHibernateTemplate().delete(remark);
    } 
    
    // 根据评语编号查询评语
    public TRemark findRemark(int remarkId) {
    	TRemark remark = (TRemark)getHibernateTemplate().get(TRemark.class,new Integer(remarkId));
    	
    	if(remark == null) {
    		throw new ObjectRetrievalFailureException(TRemark.class,new Integer(remarkId));
    	}
    	
    	return remark;
    	
    }
    
    //根据学生编号查询评语
    public List findRemarks(int studentId) {
    	return getHibernateTemplate().find("from TRemark remark where remark.studentId = '"+studentId+"'");
    } 

}