001/*
002 *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
003 *  <p>
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *  <p>
008 *  http://www.apache.org/licenses/LICENSE-2.0
009 *  <p>
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package com.mybatisflex.annotation;
017
018/**
019 * ID 生成策略。
020 */
021public enum KeyType {
022
023    /**
024     * 自增的方式。
025     */
026    Auto,
027
028    /**
029     * <p>通过执行数据库 sql 生成。
030     *
031     * <p>例如：select SEQ_USER_ID.nextval as id from dual
032     */
033    Sequence,
034
035    /**
036     * 通过 IKeyGenerator 生成器生成。
037     */
038    Generator,
039
040    /**
041     * 其他方式，比如在代码层用户手动设置。
042     */
043    None,
044
045}