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An enhanced toolkit of Mybatis to simplify development.

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/*
 * Copyright (c) 2011-2020, baomidou ([email protected]).
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 

 * https://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */
package com.baomidou.mybatisplus.annotation;

import java.lang.annotation.*;

/**
 * 表主键标识
 *
 * @author hubin
 * @since 2016-01-23
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.ANNOTATION_TYPE})
public @interface TableId {

    /**
     * 字段值（驼峰命名方式，该值可无）
     */
    String value() default "";

    /**
     * 主键ID
     * {@link IdType}
     */
    IdType type() default IdType.NONE;
}