107 lines
2.2 KiB
PHP
107 lines
2.2 KiB
PHP
<?php
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namespace Doctrine\Common\Cache;
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use Predis\Client;
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/**
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* Predis cache provider.
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*
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* @author othillo <othillo@othillo.nl>
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*/
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class PredisCache extends CacheProvider
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{
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/**
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* @var Client
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*/
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private $client;
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/**
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* @param Client $client
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*
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* @return void
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*/
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public function __construct(Client $client)
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{
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$this->client = $client;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetch($id)
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{
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$result = $this->client->get($id);
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if (null === $result) {
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return false;
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}
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return unserialize($result);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFetchMultiple(array $keys)
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{
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$fetchedItems = call_user_func_array(array($this->client, 'mget'), $keys);
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return array_filter(array_combine($keys, array_map('unserialize', $fetchedItems)));
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}
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/**
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* {@inheritdoc}
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*/
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protected function doContains($id)
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{
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return $this->client->exists($id);
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}
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/**
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* {@inheritdoc}
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*/
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protected function doSave($id, $data, $lifeTime = 0)
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{
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$data = serialize($data);
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if ($lifeTime > 0) {
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$response = $this->client->setex($id, $lifeTime, $data);
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} else {
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$response = $this->client->set($id, $data);
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}
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return $response === true || $response == 'OK';
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}
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/**
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* {@inheritdoc}
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*/
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protected function doDelete($id)
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{
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return $this->client->del($id) > 0;
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}
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/**
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* {@inheritdoc}
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*/
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protected function doFlush()
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{
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$response = $this->client->flushdb();
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return $response === true || $response == 'OK';
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}
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/**
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* {@inheritdoc}
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*/
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protected function doGetStats()
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{
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$info = $this->client->info();
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return array(
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Cache::STATS_HITS => $info['Stats']['keyspace_hits'],
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Cache::STATS_MISSES => $info['Stats']['keyspace_misses'],
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Cache::STATS_UPTIME => $info['Server']['uptime_in_seconds'],
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Cache::STATS_MEMORY_USAGE => $info['Memory']['used_memory'],
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Cache::STATS_MEMORY_AVAILABLE => false
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);
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}
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}
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