107 lines
2.5 KiB
PHP
107 lines
2.5 KiB
PHP
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<?php
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/**
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*+------------------
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* madong
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*+------------------
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* Copyright (c) https://gitee.com/motion-code All rights reserved.
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*+------------------
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* Author: Mr. April (405784684@qq.com)
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*+------------------
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* Official Website: https://madong.tech
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*/
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namespace core\uuid;
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use madong\helper\Snowflake as SnowflakeGenerator;
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use core\exception\handler\AdminException;
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use RuntimeException;
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use Webman\App;
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/**
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* 雪花ID生成
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*
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* @author Mr.April
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* @since 1.0
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* @method static generate()
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*/
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final class Snowflake
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{
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/**
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* @var \madong\helper\Snowflake|null 唯一的 Snowflake 实例
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*/
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private static ?SnowflakeGenerator $instance = null;
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/**
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* 私有构造方法 —— 禁止外部 new
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*/
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private function __construct()
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{
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// 禁止外部实例化
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}
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/**
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* 私有克隆方法 —— 禁止 clone
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*/
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private function __clone()
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{
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}
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/**
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* 私有反序列化方法 —— 禁止反序列化恢复对象
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*/
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public function __wakeup()
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{
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throw new RuntimeException("Cannot unserialize singleton.");
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}
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/**
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* 获取唯一的 Snowflake 实例（懒加载）
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*
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* @return \madong\helper\Snowflake
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*/
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private static function instance(): SnowflakeGenerator
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{
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if (self::$instance === null) {
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$nodeId = 1;
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$workerId = App::worker() ? (App::worker()->id ?: 0) : 0;
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self::$instance = new SnowflakeGenerator(
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$nodeId,
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$workerId,
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array_merge([
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'node_id_bits' => 3,
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'worker_id_bits' => 7,
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'sequence_bits' => 12,
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], config('core.uuid.snowflake', []))
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);
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}
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return self::$instance;
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}
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/**
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* 静态代理调用：将所有静态方法调用转发到真正的 Snowflake 实例上
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*
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* @param string $method 方法名，比如 "generate"
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* @param array $args 参数列表
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*
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* @return mixed
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* @throws \core\exception\handler\AdminException
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*/
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public static function __callStatic(string $method, array $args)
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{
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$instance = self::instance();
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if (!method_exists($instance, $method)) {
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throw new AdminException(sprintf(
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'Call to undefined method %s::%s()',
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static::class,
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$method
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));
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}
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return $instance->{$method}(...$args);
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}
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}
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