Java String Mybatis Libaray Basic CRUD Template

BoardDao.java

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

import org.apache.ibatis.session.SqlSession;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import com.www.homedoc.dto.BoardDto;
import com.www.homedoc.dto.PaginationDto;
import com.www.homedoc.dto.QuoDto;
@Repository("boardDao")
public class BoardDaoImpl extends CRUDDaoImpl<BoardDto, Integer>{

	// namespace of mapper
	private static final String mappingName = 
			"com.www.homedoc.dao.BoardDaoImpl";
	
	public BoardDaoImpl() {
		super(mappingName);
	
	}

}

crudBoardMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "//mybatis.org//DTD Mapper 3.0//EN/" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.www.homedoc.dao.BoardDaoImpl"><!-- Class be looked -->

   
	<!--  CRUD Basic SQLs -->
	<insert 
	id="insert"
	parameterType="com.www.homedoc.dto.BoardDto">
		insert into board(
		title,
		writer,
		datetime, 
		category, 
		content,
		thumbnail
		)values(
		#{title},
		#{writer},
		now(),
		#{category},
		#{content},
		#{thumbnail}
		)
	</insert>

	<update id="update"  parameterType="com.www.homedoc.dto.BoardDto">
		update
			board
		set
			title = #{title},
			datetime = #{datetime}, 
			category = #{category},
			content = #{content}
		where
			no = #{no}
	
	</update>
	
	<delete id="delete" parameterType="com.www.homedoc.dto.BoardDto">
		delete
			from
		board
			where
		no = #{no}
	</delete>
	
	
	<select id="selectAll" 
	resultType="com.www.homedoc.dto.BoardDto">
		select
			*
		from
			board
	</select>
	
		<select id="selectByNo" 
	resultType="com.www.homedoc.dto.BoardDto">
		select
			*
		from
			board
		where 
			no = #{no}
	</select>
	
	<delete id="deleteAll">
		delete
			from
		board
	</delete>
	

</mapper>

CRUDDaoImpl.java

import java.util.List;

import javax.inject.Inject;

import org.apache.ibatis.session.SqlSession;

public abstract class CRUDDaoImpl<T, PK> implements CRUDDao<T, PK> {
	
	@Inject
	SqlSession sqlSession;
	
	//mappernamespace to be look
	private String mappingName;
	
	public CRUDDaoImpl(String mappingName) {
		this.mappingName = mappingName;
	}
	
	
	public static final String MAPPING_INSERT = "insert";
    //mapping key "update" must be defined in mapping file
    public static final String MAPPING_UPDATE = "update";
    //mapping key "delete" must be defined in mapping file
    public static final String MAPPING_DELETE = "delete";
    //mapping key "selectAll" must be defined in mapping file
    public static final String MAPPING_SELECT_ALL = "selectAll";
    //mapping key "selectById" must be defined in mapping file
    public static final String MAPPING_SELECT_BY_NO = "selectByNo";
    
    public static final String MAPPING_DELETE_ALL = "deleteAll";
	
	@Override
	public int insert(T dto) {
		// TODO Auto-generated method stub
		return sqlSession.insert(mappingName +"." + MAPPING_INSERT,dto);
	}
	
	@Override
	public int update(T dto) {
		// TODO Auto-generated method stub
		return sqlSession.update(mappingName + "." + MAPPING_UPDATE , dto);
	}
	
	public int deleteByNo(PK no) {
		return sqlSession.delete(mappingName +  "." +MAPPING_DELETE , no);
		}
	
	@Override
	public List<T> selectAll() {
		// TODO Auto-generated method stub
		return sqlSession.selectList(mappingName + "." +MAPPING_SELECT_ALL);
	}
	
	@Override
	public T selectByNo(PK no) {
		// TODO Auto-generated method stub
		return sqlSession.selectOne(mappingName +"." + MAPPING_SELECT_BY_NO, no);
	}
	
	@Override
	public void deleteAll() {
		sqlSession.delete(mappingName + "." + MAPPING_DELETE_ALL);
		
	}




}