/*
 * Copyright (c) 2011-2024, baomidou (jobob@qq.com).
 *
 * 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.core.incrementer;


import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.annotation.KeySequence;

/**
 * 表主键生成器接口 (sql)
 *
 * @author hubin
 * @since 2017-05-08
 */
public interface IKeyGenerator {

    /**
     * 执行 key 生成 SQL
     *
     * @param incrementerName 序列名称(对应类上注解 {@link KeySequence#value()} 的值)
     * @return sql
     */
    String executeSql(String incrementerName);

    /**
     * 数据库类型
     */
    DbType dbType();
}
