Java tutorial
/** * Copyright 2009-2019 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.ibatis.annotations; import java.lang.annotation.Documented; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.RetentionPolicy; import java.lang.annotation.Target; /** * The annotation that be grouping mapping definitions for property. * * <p><br> * <b>How to use:</b> * <pre> * public interface UserMapper { * @Results({ * @Result(property = "id", column = "id", id = true), * @Result(property = "name", column = "name"), * @Result(property = "email" column = "id", one = @One(select = "selectUserEmailById", fetchType = FetchType.LAZY)), * @Result(property = "telephoneNumbers" column = "id", many = @Many(select = "selectAllUserTelephoneNumberById", fetchType = FetchType.LAZY)) * }) * @Select("SELECT id, name FROM users WHERE id = #{id}") * User selectById(int id); * } * </pre> * @author Clinton Begin */ @Documented @Retention(RetentionPolicy.RUNTIME) @Target(ElementType.METHOD) public @interface Results { /** * Returns the id of this result map. * * @return the id of this result map */ String id() default ""; /** * Returns mapping definitions for property. * * @return mapping definitions */ Result[] value() default {}; }