basedaohibernate.java

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

/*
 * 创建日期 2005-4-15
 */
package biz.bluesky.pts.service.dao.impl;

import java.io.Serializable;
import java.util.List;

import org.springframework.orm.hibernate.support.HibernateDaoSupport;
import org.springframework.orm.ObjectRetrievalFailureException;

import biz.bluesky.pts.service.dao.DAO;


public class BaseDAOHibernate extends HibernateDaoSupport implements DAO {

    public List getObjects(Class aClass) {
        return getHibernateTemplate().loadAll(aClass);
    }

    public Object getObject(Class aClass, Serializable id) {
        Object o = getHibernateTemplate().get(aClass, id);
        
        if(o == null) {
            throw new ObjectRetrievalFailureException(aClass, id);
        }
        
        return o;
    }

    public void saveObject(Object o) {
        getHibernateTemplate().saveOrUpdate(o);
    }

    public void removeObject(Class aClass, Serializable id) {	
        getHibernateTemplate().delete(getObject(aClass, id));
    }

}