com.baomidou.mybatisplus.annotation.TableId Maven / Gradle / Ivy

Go to download
/*
 * Copyright (c) 2011-2022, 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
 *
 *     http://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 {

    /**
     * 字段名（该值可无）
     */
    String value() default "";

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