110 lines
2.2 KiB
PHP
110 lines
2.2 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Lock;
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/**
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* Key is a container for the state of the locks in stores.
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*
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* @author Jérémy Derussé <jeremy@derusse.com>
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*/
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final class Key
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{
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private $resource;
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private $expiringTime;
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private $state = [];
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/**
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* @param string $resource
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*/
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public function __construct($resource)
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{
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$this->resource = (string) $resource;
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}
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public function __toString()
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{
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return $this->resource;
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}
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/**
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* @param string $stateKey
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*
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* @return bool
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*/
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public function hasState($stateKey)
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{
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return isset($this->state[$stateKey]);
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}
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/**
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* @param string $stateKey
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* @param mixed $state
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*/
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public function setState($stateKey, $state)
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{
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$this->state[$stateKey] = $state;
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}
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/**
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* @param string $stateKey
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*/
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public function removeState($stateKey)
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{
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unset($this->state[$stateKey]);
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}
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/**
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* @param $stateKey
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*
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* @return mixed
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*/
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public function getState($stateKey)
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{
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return $this->state[$stateKey];
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}
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public function resetLifetime()
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{
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$this->expiringTime = null;
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}
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/**
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* @param float $ttl the expiration delay of locks in seconds
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*/
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public function reduceLifetime($ttl)
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{
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$newTime = microtime(true) + $ttl;
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if (null === $this->expiringTime || $this->expiringTime > $newTime) {
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$this->expiringTime = $newTime;
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}
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}
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/**
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* Returns the remaining lifetime.
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*
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* @return float|null Remaining lifetime in seconds. Null when the key won't expire.
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*/
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public function getRemainingLifetime()
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{
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return null === $this->expiringTime ? null : $this->expiringTime - microtime(true);
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}
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/**
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* @return bool
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*/
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public function isExpired()
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{
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return null !== $this->expiringTime && $this->expiringTime <= microtime(true);
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}
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}
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