76 lines
1.6 KiB
PHP
76 lines
1.6 KiB
PHP
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<?php
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namespace League\Flysystem\Cached\Storage;
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use Predis\Client;
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class Predis extends AbstractCache
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{
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/**
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* @var \Predis\Client Predis Client
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*/
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protected $client;
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/**
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* @var string storage key
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*/
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protected $key;
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/**
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* @var int|null seconds until cache expiration
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*/
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protected $expire;
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/**
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* Constructor.
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*
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* @param \Predis\Client $client predis client
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* @param string $key storage key
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* @param int|null $expire seconds until cache expiration
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*/
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public function __construct(Client $client = null, $key = 'flysystem', $expire = null)
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{
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$this->client = $client ?: new Client();
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$this->key = $key;
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$this->expire = $expire;
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}
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/**
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* {@inheritdoc}
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*/
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public function load()
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{
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if (($contents = $this->executeCommand('get', [$this->key])) !== null) {
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$this->setFromStorage($contents);
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function save()
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{
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$contents = $this->getForStorage();
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$this->executeCommand('set', [$this->key, $contents]);
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if ($this->expire !== null) {
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$this->executeCommand('expire', [$this->key, $this->expire]);
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}
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}
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/**
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* Execute a Predis command.
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*
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* @param string $name
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* @param array $arguments
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*
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* @return string
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*/
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protected function executeCommand($name, array $arguments)
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{
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$command = $this->client->createCommand($name, $arguments);
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return $this->client->executeCommand($command);
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}
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}
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