마이바티스 간단하게 알아보기 - 2 (설정)

# MyBatis - Setup

## Mapper Setting

### structure

    - configuration

      - properties

      - settings

      - typeAliases

      - typeHandlers

      - objectFactory

      - plugins

      - environments

        - environment

          - transactionManager

          - dataSource

      - databaseIdProvider

      - mappers

### properties

    - in Java properties

    - in properties element

    <properties resource="org/mybatis/example/config.properties">

        <property name="username" value="dev_user"/>

        <property name="password" value="F2Fa3!33TYyg"/>

    </properties>

    <dataSource type="POOLED">

        <property name="driver" value="${driver}"/>

        <property name="url" value="${url}"/>

        <property name="username" value="${username}"/>

        <property name="password" value="${password}"/>

    </dataSource>

### settings

    <settings>

        <setting name="cacheEnabled" value="true"/>

        <setting name="lazyLoadingEnabled" value="true"/>

        <setting name="aggressiveLazyLoading" value="true"/>

        <setting name="multipleResultSetsEnabled" value="true"/>

        <setting name="useColumnLabel" value="true"/>

        <setting name="useGeneratedKeys" value="false"/>

        <setting name="autoMappingBehavior" value="PARTIAL"/>

        <setting name="autoMappingUnknownColumnBehavior" value="WARNING"/>

        <setting name="defaultExecutorType" value="SIMPLE"/>

        <setting name="defaultStatementTimeout" value="25"/>

        <setting name="defaultFetchSize" value="100"/>

        <setting name="safeRowBoundsEnabled" value="false"/>

        <setting name="safeResultHandlerEnabled" value="true"/>

        <setting name="mapUnderscoreToCamelCase" value="false"/>

        <setting name="localCacheScope" value="SESSION"/>

        <setting name="jdbcTypeForNull" value="OTHER"/>

        <setting name="lazyLoadTriggerMethods" value="equals,clone,hashCode,toString"/>

        <setting name="defaultScriptingLanguage" value="org.apache.ibatis.scripting.xmltags.XMLLanguageDriver"/>

        <setting name="defaultEnumTypeHandler" value="org.apache.ibatis.type.EnumTypeHandler"/>

        <setting name="callSettersOnNulls" value="false"/>

        <setting name="returnInstanceForEmptyRow" value="false"/>

        <setting name="logPrefix" value="exampleLogPreFix_"/>

        <setting name="logImpl" value="SLF4J | LOG4J | LOG4J2 | JDK_LOGGING | COMMONS_LOGGING | STDOUT_LOGGING | NO_LOGGING"/>

        <setting name="proxyFactory" value="CGLIB | JAVASSIST"/>

        <setting name="vfsImpl" value="org.mybatis.example.YourselfVfsImpl"/>

        <setting name="useActualParamName" value="true"/>

        <setting name="configurationFactory" value="org.mybatis.example.ConfigurationFactory"/>

    </settings>

    - Alias

    - 대소문자 구분하지 않음

    <typeAliases>

        <typeAlias alias="Author" type="domain.blog.Author"/>

        <typeAlias alias="Blog" type="domain.blog.Blog"/>

        <typeAlias alias="Comment" type="domain.blog.Comment"/>

        <typeAlias alias="Post" type="domain.blog.Post"/>

        <typeAlias alias="Section" type="domain.blog.Section"/>

        <typeAlias alias="Tag" type="domain.blog.Tag"/>

    </typeAliases>

    <typeAliases>

        <package name="domain.blog"/>

    </typeAliases>

   

    - Mappers

    - SQL 구문이 있는 곳을 지정

    <!-- 매퍼로 패키지내 모든 인터페이스를 등록 -->

    <mappers>

        <package name="org.mybatis.builder"/>

    </mappers>

   

    <!-- 매퍼 인터페이스를 사용 -->

    <mappers>

        <mapper class="org.mybatis.builder.AuthorMapper"/>

        <mapper class="org.mybatis.builder.BlogMapper"/>

        <mapper class="org.mybatis.builder.PostMapper"/>

    </mappers>

    <!-- 클래스패스의 상대경로의 리소스 사용 -->

    <mappers>

        <mapper resource="org/mybatis/builder/AuthorMapper.xml"/>

        <mapper resource="org/mybatis/builder/BlogMapper.xml"/>

        <mapper resource="org/mybatis/builder/PostMapper.xml"/>

    </mappers>