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<?php |
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namespace Ubiquity\cache\system; |
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use Ubiquity\utils\base\UString; |
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use Ubiquity\cache\CacheFile; |
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/** |
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* APC cache implementation |
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* Ubiquity\cache\system$ApcCache |
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* This class is part of Ubiquity |
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* |
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* @author jcheron <[email protected]> |
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* @version 1.0.2 |
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* |
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*/ |
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class ApcuCache extends AbstractDataCache { |
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/** |
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* Initializes the apc cache-provider |
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*/ |
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public function __construct($root, $postfix = "") { |
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parent::__construct ( $root, $postfix ); |
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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 $key cache key |
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* @return string[]|boolean true if data with the given key has been stored; otherwise false |
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*/ |
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public function exists($key) { |
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return \apc_exists ( $this->getRealKey ( $key ) ); |
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} |
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public function store($key, $code, $tag = null, $php = true) { |
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$this->storeContent ( $key, $code, $tag ); |
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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 string $content the source-code to be cached |
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* @param string $tag not used |
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*/ |
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protected function storeContent($key, $content, $tag) { |
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\apc_store ( $this->getRealKey ( $key ), $content ); |
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} |
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protected function getRealKey($key) { |
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return $key; |
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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 $key cache key |
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* @return mixed the cached data |
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*/ |
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public function fetch($key) { |
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$result = \apc_fetch ( $this->getRealKey ( $key ) ); |
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return eval ( $result ); |
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} |
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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 $key cache key |
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* @return mixed the cached data |
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*/ |
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public function file_get_contents($key) { |
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return \apc_fetch ( $this->getRealKey ( $key ) ); |
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} |
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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 $key cache key |
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* @return boolean|int unix timestamp |
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*/ |
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public function getTimestamp($key) { |
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$key = $this->getRealKey ( $key ); |
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$cache = \apc_cache_info (); |
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if (empty ( $cache ['cache_list'] )) { |
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return false; |
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} |
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foreach ( $cache ['cache_list'] as $entry ) { |
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if ($entry ['info'] != $key) { |
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continue; |
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} |
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$creationTime = $entry ['creation_time']; |
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return $creationTime; |
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} |
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return \time (); |
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} |
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public function remove($key) { |
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\apc_delete ( $this->getRealKey ( $key ) ); |
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} |
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public function clear() { |
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\apc_clear_cache (); |
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} |
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protected function getCacheEntries($type) { |
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$entries = $this->getAllEntries (); |
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return \array_filter ( $entries, function ($v) use ($type) { |
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return UString::startswith ( $v ['info'], $type ); |
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} ); |
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} |
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protected function getAllEntries() { |
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$entries = [ ]; |
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$cache = \apc_cache_info (); |
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if (! empty ( $cache ['cache_list'] )) { |
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$entries = $cache ['cache_list']; |
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} |
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return $entries; |
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} |
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public function getCacheFiles($type) { |
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$result = [ ]; |
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$entries = $this->getCacheEntries ( $type ); |
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foreach ( $entries as $entry ) { |
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$key = $entry ['info']; |
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if (UString::startswith ( $key, $type )) { |
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$result [] = new CacheFile ( \ucfirst ( $type ), $key, $entry ['creation_time'], $entry ['mem_size'], $key ); |
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} |
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} |
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if (\sizeof ( $result ) === 0) |
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$result [] = new CacheFile ( \ucfirst ( $type ), "", "", "" ); |
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return $result; |
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} |
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public function clearCache($type) { |
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$entries = $this->getCacheEntries ( $type ); |
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foreach ( $entries as $entry ) { |
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$this->remove ( $entry ['info'] ); |
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} |
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} |
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public function getEntryKey($key) { |
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return $this->getRealKey ( $key ); |
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} |
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} |
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phpMv /
ubiquity
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