?? usermanager.java
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package org.springside.examples.miniservice.service.user;
import java.util.List;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;
import org.springside.examples.miniservice.entity.user.Role;
import org.springside.examples.miniservice.entity.user.User;
import org.springside.modules.orm.hibernate.SimpleHibernateTemplate;
/**
* 整個User模塊內的業務邏輯Facade類.
* 組合user,role兩者的DAO.DAO均直接使用泛型的SimpleHibernateTemplate.
* 使用Spring的@Service/@Autowired 指定IOC設置.
* 使用Spring的@Transactional指定事務管理.
*
* @author calvin
*/
@Service
@Transactional
public class UserManager {
private static String AUTH_HQL = "select count(u) from User u where u.loginName=? and u.password=?";
private SimpleHibernateTemplate<User, Long> userDao;
private SimpleHibernateTemplate<Role, Long> roleDao;
@Autowired
public void setSessionFactory(SessionFactory sessionFactory) {
userDao = new SimpleHibernateTemplate<User, Long>(sessionFactory, User.class);
roleDao = new SimpleHibernateTemplate<Role, Long>(sessionFactory, Role.class);
}
@Transactional(readOnly = true)
public User getUser(Long id) {
return userDao.get(id);
}
@Transactional(readOnly = true)
public List<User> getAllUser() {
return userDao.findAll();
}
@Transactional(readOnly = true)
public List<Role> getAllRole() {
return roleDao.findAll();
}
public void saveUser(User user) {
userDao.save(user);
}
public void deleteUser(User user) {
userDao.delete(user);
}
/**
* 驗證用戶名密碼.
*
* @return 驗證通過時返回true.用戶名或密碼錯誤返回false.
*/
@Transactional(readOnly = true)
public boolean auth(String loginName, String password) {
if (!StringUtils.hasText(loginName) || !StringUtils.hasText(password))
return false;
return (userDao.findLong(AUTH_HQL, loginName, password) == 1);
}
}
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