JSP/AJAX.2

MemberDaoImpl.java

GAWON 2023. 6. 23. 10:21
package org.joonzis.dao;

import java.util.List;

import org.apache.ibatis.session.SqlSession;
import org.joonzis.dto.MemberDTO;
import org.joonzis.mybatis.config.DBService;

public class MemberDaoImpl implements MemberDao{
	// DAO 객체 생성
	private static MemberDaoImpl instance = null;
	private MemberDaoImpl() {}
	public static MemberDaoImpl getInstance() {
		if(instance == null) {
			instance = new MemberDaoImpl();
		}
		return instance;
	}
	
	// 필드
	private static SqlSession sqlsession = null;
	private synchronized static SqlSession getSqlSession() {
		if(sqlsession == null) {
			sqlsession = DBService.getFactory().openSession(false);
		}
		return sqlsession;
	}
	
	@Override
	public List<MemberDTO> getMemberList() {
		return getSqlSession().selectList("list");
	}
}