1 /* 2 * Copyright 2009-2023 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 import org.apache.ibatis.scripting.LanguageDriver; 25 26 /** 27 * The annotation that specify a {@link LanguageDriver} to use. 28 * <p> 29 * <b>How to use:</b> 30 * 31 * <pre> 32 * public interface UserMapper { 33 * @Lang(MyXMLLanguageDriver.class) 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 Lang { 45 /** 46 * Returns the {@link LanguageDriver} implementation type to use. 47 * 48 * @return the {@link LanguageDriver} implementation type 49 */ 50 Class<? extends LanguageDriver> value(); 51 }