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<?php |
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/** |
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* Cache systems |
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*/ |
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namespace Ubiquity\cache\system; |
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use Ubiquity\exceptions\CacheException; |
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/** |
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* This class is responsible for storing Arrays in PHP files. |
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* Inspired by (c) Rasmus Schultz <[email protected]> |
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* <https://github.com/mindplay-dk/php-annotations> |
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* Ubiquity\cache\system$AbstractDataCache |
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* This class is part of Ubiquity |
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* |
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* @author jcheron <[email protected]> |
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* @version 1.0.1 |
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* |
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*/ |
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abstract class AbstractDataCache { |
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protected $_root; |
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protected $postfix; |
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public function __construct($root, $postfix = '') { |
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$this->setRoot ( $root ); |
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$this->postfix = $postfix; |
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} |
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public function init() { |
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} |
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/** |
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* Check if annotation-data for the key has been stored. |
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* |
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* @param string $key cache key |
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* @return boolean true if data with the given key has been stored; otherwise false |
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*/ |
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abstract public function exists($key); |
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public function expired($key, $duration) { |
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if ($this->exists ( $key )) { |
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if (\is_int ( $duration ) && $duration !== 0) { |
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return \time () - $this->getTimestamp ( $key ) > $duration; |
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} else { |
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return false; |
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} |
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} else { |
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return true; |
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} |
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} |
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/** |
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* Caches the given data with the given key. |
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* |
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* @param string $key cache key |
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* @param mixed $code the source-code to be cached |
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* @param string $tag the item tag |
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* @throws CacheException |
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*/ |
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abstract public function store($key, $code, $tag = null); |
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public function getRoot() { |
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return $this->_root; |
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} |
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/** |
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* |
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* @param mixed $_root |
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*/ |
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public function setRoot($_root) { |
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$this->_root = $_root; |
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} |
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/** |
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* Fetches data stored for the given key. |
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* |
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* @param string $key cache key |
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* @return mixed the cached data |
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*/ |
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abstract public function fetch($key); |
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/** |
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* return data stored for the given key. |
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* |
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* @param string $key cache key |
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* @return mixed the cached data |
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*/ |
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abstract public function file_get_contents($key); |
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/** |
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* Returns the timestamp of the last cache update for the given key. |
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* |
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* @param string $key cache key |
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* @return boolean|int unix timestamp |
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*/ |
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abstract public function getTimestamp($key); |
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/** |
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* |
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* @param string $key |
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*/ |
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abstract public function remove($key); |
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/** |
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* Clears all cache entries |
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*/ |
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abstract public function clear(); |
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abstract public function getCacheFiles($type); |
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abstract public function clearCache($type); |
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3 |
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public function getCacheInfo() { |
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return "Cache system is an instance of <b>" . \get_class ( $this ) . "</b>."; |
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} |
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abstract public function getEntryKey($key); |
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} |
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phpMv /
ubiquity
