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 * @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 }