1 /**
2 * Copyright 2009-2019 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package org.apache.ibatis.annotations;
17
18 import java.lang.annotation.Documented;
19 import java.lang.annotation.ElementType;
20 import java.lang.annotation.Retention;
21 import java.lang.annotation.RetentionPolicy;
22 import java.lang.annotation.Target;
23
24 /**
25 * The annotation that be grouping mapping definitions for property.
26 *
27 * <p><br>
28 * <b>How to use:</b>
29 * <pre>
30 * public interface UserMapper {
31 * @Results({
32 * @Result(property = "id", column = "id", id = true),
33 * @Result(property = "name", column = "name"),
34 * @Result(property = "email" column = "id", one = @One(select = "selectUserEmailById", fetchType = FetchType.LAZY)),
35 * @Result(property = "telephoneNumbers" column = "id", many = @Many(select = "selectAllUserTelephoneNumberById", fetchType = FetchType.LAZY))
36 * })
37 * @Select("SELECT id, name FROM users WHERE id = #{id}")
38 * User selectById(int id);
39 * }
40 * </pre>
41 * @author Clinton Begin
42 */
43 @Documented
44 @Retention(RetentionPolicy.RUNTIME)
45 @Target(ElementType.METHOD)
46 public @interface Results {
47 /**
48 * Returns the id of this result map.
49 *
50 * @return the id of this result map
51 */
52 String id() default "";
53
54 /**
55 * Returns mapping definitions for property.
56 *
57 * @return mapping definitions
58 */
59 Result[] value() default {};
60 }