?? userdaohibernate.java
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/*
* Created on 2006-1-21
*
* TODO To change the template for this generated file go to
* Window - Preferences - Java - Code Style - Code Templates
*/
package org.mmxbb.bookstore.dao.hibernate;
import java.util.List;
import net.sf.hibernate.Hibernate;
import net.sf.hibernate.type.Type;
import org.mmxbb.bookstore.dao.UserDao;
import org.mmxbb.bookstore.model.User;
import org.springframework.orm.hibernate.HibernateObjectRetrievalFailureException;
import org.springframework.orm.hibernate.support.HibernateDaoSupport;
/**
* @author mmx
*
* TODO To change the template for this generated type comment go to
* Window - Preferences - Java - Code Style - Code Templates
*/
public class UserDaoHibernate extends HibernateDaoSupport implements UserDao {
public void save(User user) {
getHibernateTemplate().save(user);
}
public User load(Integer id) {
User user;
try{
user = (User)getHibernateTemplate().load(User.class,id);
}catch(HibernateObjectRetrievalFailureException e){
user = null;
}
return user;
}
public void update(User user) {
getHibernateTemplate().update(user);
}
public void delete(Integer id) {
getHibernateTemplate().delete(load(id));
}
public List find(String query){
return getHibernateTemplate().find(query);
}
public List findAll(){
return getHibernateTemplate().find("from User u order by u.id");
}
public User findLoginUser(String loginname,String password){
String[] args=new String[]{loginname,password};
Type[] types=new Type[]{Hibernate.STRING,Hibernate.STRING,};
List l=getHibernateTemplate().find("from User u where u.loginname=? and u.password=?",args,types);
if(l.size()==1){
return (User)l.get(0);
}
else return null;
}
public boolean isUser(String loginname){
List l=getHibernateTemplate().find("from User u where u.loginname=?",loginname,Hibernate.STRING);
if(l.size()==0){
return false;
}else return true;
}
}
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