package com.demo.dao.impl;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;

import com.demo.dao.IUserDao;
import com.demo.entity.User;

public class UserDaoImpl implements IUserDao{
	
	private SqlSessionFactory sqlSessionFactory;
	public void setSqlSessionFactory(SqlSessionFactory sqlSessionFactory) {
		this.sqlSessionFactory = sqlSessionFactory;
	}

	@Override
	public void insert(User user) {
		SqlSession sqlSession = sqlSessionFactory.openSession();
		sqlSession.insert("users.insert", user);
	}

	@Override
	public void delete(int userid) {
		SqlSession sqlSession = sqlSessionFactory.openSession();
		sqlSession.insert("users.delete", userid);
	}

	@Override
	public void update(User user) {
		SqlSession sqlSession = sqlSessionFactory.openSession();
		sqlSession.insert("users.update", user);
	}

	@Override
	public User query(int userid) {
		SqlSession sqlSession = sqlSessionFactory.openSession();
		return sqlSession.selectOne("users.query", userid);
	}

	@Override
	public List<User> getList(int index, int count) {
		SqlSession sqlSession = sqlSessionFactory.openSession();
		Map<String, Object> map = new HashMap<String,Object>();
		map.put("index", index);
		map.put("size",count);
		return sqlSession.selectList("users.getList", map);
	}

	@Override
	public User login(String username, String password) {
		SqlSession sqlSession = sqlSessionFactory.openSession();
		Map<String, Object> map = new HashMap<String,Object>();
		map.put("username", username);
		map.put("password",password);
		return sqlSession.selectOne("users.login", map);
	}

}