62 lines
1.1 KiB
PHP
62 lines
1.1 KiB
PHP
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<?php
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/*
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* This file is part of the godruoyi/php-snowflake.
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*
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* (c) Godruoyi <g@godruoyi.com>
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*
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* This source file is subject to the MIT license that is bundled.
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*/
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namespace Godruoyi\Snowflake;
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class RandomSequenceResolver implements SequenceResolver
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{
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/**
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* The last timestamp.
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*
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* @var null
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*/
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protected $lastTimeStamp = -1;
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/**
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* The sequence.
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*
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* @var int
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*/
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protected $sequence = 0;
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/**
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* Max sequence number in one ms.
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*
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* @var int
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*/
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protected $maxSequence = Snowflake::MAX_SEQUENCE_SIZE;
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/**
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* {@inheritdoc}
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*/
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public function sequence(int $currentTime)
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{
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if ($this->lastTimeStamp === $currentTime) {
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$this->sequence++;
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$this->lastTimeStamp = $currentTime;
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return $this->sequence;
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}
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$this->sequence = mt_rand(0, $this->maxSequence);
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$this->lastTimeStamp = $currentTime;
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return $this->sequence;
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}
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/**
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* @param int $maxSequence
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*/
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public function setMaxSequence(int $maxSequence): void
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{
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$this->maxSequence = $maxSequence;
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}
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}
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