View Javadoc
1   /*
2    *    Copyright 2009-2021 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 marker annotation that indicate a constructor for automatic mapping.
26   *
27   * <p>
28   * <b>How to use:</b>
29   *
30   * <pre>
31   * public class User {
32   *
33   *   private int id;
34   *   private String name;
35   *
36   *   public User(int id) {
37   *     this.id = id;
38   *   }
39   *
40   *   &#064;AutomapConstructor
41   *   public User(int id, String name) {
42   *     this.id = id;
43   *     this.name = name;
44   *   }
45   *   // ...
46   * }
47   * </pre>
48   *
49   * @author Tim Chen
50   * @since 3.4.3
51   */
52  @Documented
53  @Retention(RetentionPolicy.RUNTIME)
54  @Target({ ElementType.CONSTRUCTOR })
55  public @interface AutomapConstructor {
56  }