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<?php |
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namespace Hgraca\Cache\Adapter; |
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use Doctrine\Common\Cache\Cache; |
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use Hgraca\Cache\CacheInterface; |
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use Hgraca\Cache\Exception\CacheItemNotFoundException; |
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final class PhpFileCacheDoctrineAdapter implements Cache |
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{ |
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const MODE_VAR_EXPORT = CacheInterface::MODE_VAR_EXPORT; |
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const MODE_SERIALIZER = CacheInterface::MODE_SERIALIZER; |
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/** @var CacheInterface */ |
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protected $phpFileCache; |
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public function __construct(CacheInterface $phpFileCache) |
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{ |
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$this->phpFileCache = $phpFileCache; |
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} |
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/** |
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* Fetches an entry from the cache. |
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* |
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* @param string $id the id of the cache entry to fetch |
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* |
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* @return mixed the cached data or FALSE, if no cache entry exists for the given id |
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*/ |
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public function fetch($id) |
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{ |
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try { |
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return $this->phpFileCache->fetch($id); |
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} catch (CacheItemNotFoundException $e) { |
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return false; |
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} |
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} |
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/** |
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* Tests if an entry exists in the cache. |
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* |
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* @param string $id the cache id of the entry to check for |
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* |
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* @return bool tRUE if a cache entry exists for the given cache id, FALSE otherwise |
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*/ |
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public function contains($id) |
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{ |
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return $this->phpFileCache->contains($id); |
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} |
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/** |
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* Puts data into the cache. |
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* |
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* If a cache entry with the given id already exists, its data will be replaced. |
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* |
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* @param string $id the cache id |
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* @param mixed $data the cache entry/data |
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* @param int $lifeTime The lifetime in number of seconds for this cache entry. |
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* If zero (the default), the entry never expires (although it may be deleted from the cache |
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* to make place for other entries). |
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* |
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* @return bool tRUE if the entry was successfully stored in the cache, FALSE otherwise |
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*/ |
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public function save($id, $data, $lifeTime = 0) |
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{ |
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return $this->phpFileCache->save($id, $data, $lifeTime); |
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} |
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/** |
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* Deletes a cache entry. |
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* |
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* @param string $id the cache id |
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* |
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* @return bool TRUE if the cache entry was successfully deleted, FALSE otherwise. |
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* Deleting a non-existing entry is considered successful. |
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*/ |
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public function delete($id) |
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{ |
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return $this->phpFileCache->delete($id); |
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} |
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/** |
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* Retrieves cached information from the data store. |
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* |
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* The server's statistics array has the following values: |
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* |
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* - <b>hits</b> |
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* Number of keys that have been requested and found present. |
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* |
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* - <b>misses</b> |
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* Number of items that have been requested and not found. |
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* |
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* - <b>uptime</b> |
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* Time that the server is running. |
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* |
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* - <b>memory_usage</b> |
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* Memory used by this server to store items. |
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* |
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* - <b>memory_available</b> |
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* Memory allowed to use for storage. |
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* |
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* @since 2.2 |
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* |
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* @return array|null an associative array with server's statistics if available, NULL otherwise |
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*/ |
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public function getStats() |
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{ |
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$stats = $this->phpFileCache->getStats(); |
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unset($stats[CacheInterface::STATS_ITEM_COUNT]); |
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return $stats; |
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} |
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} |
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hgraca /
php-cache
