1 /*
2 * Copyright 2009-2024 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 * https://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 constructor.
26 * <p>
27 * <b>How to use:</b>
28 *
29 * <pre>{@code
30 * public interface UserMapper {
31 * @ConstructorArgs({ @Arg(column = "id", javaType = int.class, id = true),
32 * @Arg(column = "name", javaType = String.class),
33 * @Arg(javaType = UserEmail.class, select = "selectUserEmailById", column = "id") })
34 * @Select("SELECT id, name FROM users WHERE id = #{id}")
35 * User selectById(int id);
36 * }
37 * }</pre>
38 *
39 * @author Clinton Begin
40 */
41 @Documented
42 @Retention(RetentionPolicy.RUNTIME)
43 @Target(ElementType.METHOD)
44 public @interface ConstructorArgs {
45 /**
46 * Returns mapping definitions for constructor.
47 *
48 * @return mapping definitions
49 */
50 Arg[] value() default {};
51 }