userdao.java

Struts_Spring_Hibernate实现的基于RBAC的权限管理系统

package com.xaccp.biz.dao;
// default package

import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.LockMode;
import org.springframework.context.ApplicationContext;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.xaccp.biz.po.User;

/**
 * Data access object (DAO) for domain model class User.
 * @see .User
 * @author MyEclipse - Hibernate Tools
 */
public class UserDAO extends HibernateDaoSupport {

    private static final Log log = LogFactory.getLog(UserDAO.class);

	protected void initDao() {
		//do nothing
	}
    
    public void save(User transientInstance) {
        log.debug("saving User instance");
        try {
            getHibernateTemplate().saveOrUpdate(transientInstance);
            log.debug("save successful");
        } catch (RuntimeException re) {
            log.error("save failed", re);
            throw re;
        }
    }
    
	public void delete(User persistentInstance) {
        log.debug("deleting User instance");
        try {
            getHibernateTemplate().delete(persistentInstance);
            log.debug("delete successful");
        } catch (RuntimeException re) {
            log.error("delete failed", re);
            throw re;
        }
    }
    
    public User findById( java.lang.Integer id) {
        return (User) getHibernateTemplate().get("com.xaccp.biz.po.User", id);
    }
    
	public static UserDAO getFromApplicationContext(ApplicationContext ctx) {
    	return (UserDAO)ctx.getBean("testUserDAO");
	}

	public User findByNamePass(String name, String pass) {
        String hql = "from User as m where m.name=? AND m.pass=?"; 
        List list = getHibernateTemplate().find(hql, new Object[]{name, pass});
		return (User) ((list.isEmpty())?null:list.get(0));
	}

	public List findAll() {
		return getHibernateTemplate().find("from User");
	}
}