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<?php |
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/** |
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* This file is part of the Geotools library. |
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* |
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* (c) Antoine Corcy <[email protected]> |
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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 League\Geotools\Cache; |
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use League\Geotools\Batch\BatchGeocoded; |
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use Predis\Client; |
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/** |
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* Redis cache class. |
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* |
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* @author Antoine Corcy <[email protected]> |
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*/ |
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class Redis extends AbstractCache implements CacheInterface |
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{ |
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/** |
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* The redis cache. |
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* |
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* @var \Predis\Client |
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*/ |
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protected $redis; |
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/** |
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* The expire value for keys. |
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* |
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* @var integer |
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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 array $client The client information (optional). |
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* @param integer $expire The expire value in seconds (optional). |
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*/ |
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public function __construct(array $client = array(), $expire = 0) |
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{ |
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$this->redis = new Client($client); |
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$this->expire = (int) $expire; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function getKey($providerName, $query) |
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{ |
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return md5($providerName . $query); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function cache(BatchGeocoded $geocoded) |
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{ |
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$this->redis->set( |
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$key = $this->getKey($geocoded->getProviderName(), $geocoded->getQuery()), |
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$this->serialize($geocoded) |
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); |
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if ($this->expire > 0) { |
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$this->redis->expire($key, $this->expire); |
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} |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function isCached($providerName, $query) |
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{ |
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if (!$this->redis->exists($key = $this->getKey($providerName, $query))) { |
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return false; |
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} |
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$cached = new BatchGeocoded; |
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$cached->fromArray($this->deserialize($this->redis->get($key))); |
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return $cached; |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function flush() |
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{ |
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$this->redis->flushDb(); |
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} |
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} |
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thephpleague /
geotools
