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<?php |
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namespace Ubiquity\cache\system; |
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use Ubiquity\controllers\admin\popo\CacheFile; |
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use Ubiquity\utils\base\UFileSystem; |
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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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*/ |
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class ArrayCache extends AbstractDataCache { |
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/** |
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* |
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* @var int The file mode used when creating new cache files |
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*/ |
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private $_fileMode; |
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/** |
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* Initializes the file cache-provider |
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* |
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* @param string $root |
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* absolute path to the root-folder where cache-files will be stored |
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* @param string $postfix |
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* Termination of file names |
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* @param array $cacheParams |
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* defaults to ["fileMode"=>"0755"] |
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*/ |
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public function __construct($root, $postfix = "", $cacheParams = []) { |
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parent::__construct ( $root, $postfix ); |
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$this->_fileMode = (isset ( $cacheParams ["fileMode"] )) ? $cacheParams ["fileMode"] : 0755; |
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if (! is_dir ( $root )) |
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\mkdir ( $root, $this->_fileMode, true ); |
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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 $key |
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* cache key |
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* @return boolean true if data with the given key has been stored; otherwise false |
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*/ |
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public function exists($key) { |
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return file_exists ( $this->_getPath ( $key ) ); |
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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 |
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* cache key |
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* @param string $content |
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* the source-code to be cached |
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* @throws CacheException if file could not be written |
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*/ |
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protected function storeContent($key, $content, $tag) { |
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$path = $this->_getPath ( $key ); |
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$dir = pathinfo ( $path, PATHINFO_DIRNAME ); |
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if (UFileSystem::safeMkdir ( $dir )) { |
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if (@\file_put_contents ( $path, $content, LOCK_EX ) === false) { |
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throw new CacheException ( "Unable to write cache file: {$path}" ); |
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} |
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if (@\chmod ( $path, $this->_fileMode ) === false) { |
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throw new CacheException ( "Unable to set permissions of cache file: {$path}" ); |
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} |
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} else { |
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throw new CacheException ( "Unable to create folder : {$dir}" ); |
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} |
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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 $key |
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* cache key |
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* @return mixed the cached data |
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*/ |
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public function fetch($key) { |
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return include ($this->_getPath ( $key )); |
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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 $key |
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* cache key |
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* @return mixed the cached data |
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*/ |
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public function file_get_contents($key) { |
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return \file_get_contents ( $this->_getPath ( $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 $key |
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* cache key |
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* @return int unix timestamp |
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*/ |
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public function getTimestamp($key) { |
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return \filemtime ( $this->_getPath ( $key ) ); |
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} |
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/** |
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* Maps a cache-key to the absolute path of a PHP file |
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* |
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* @param string $key |
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* cache key |
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* @return string absolute path of the PHP file |
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*/ |
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private function _getPath($key) { |
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return $this->_root . $key . $this->postfix . '.php'; |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Ubiquity\cache\system\AbstractDataCache::remove() |
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*/ |
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public function remove($key) { |
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$file = $this->_getPath ( $key ); |
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if (\file_exists ( $file )) |
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return \unlink ( $file ); |
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return false; |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Ubiquity\cache\system\AbstractDataCache::clear() |
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*/ |
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public function clear($matches = "") { |
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$files = glob ( $this->_root . $matches . '*' ); |
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foreach ( $files as $file ) { |
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if (\is_file ( $file )) |
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\unlink ( $file ); |
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} |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Ubiquity\cache\system\AbstractDataCache::getCacheFiles() |
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*/ |
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public function getCacheFiles($type) { |
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return CacheFile::initFromFiles ( $this->_root . $type, \ucfirst ( $type ), function ($file) use ($type) { |
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$file = \basename ( $file ); |
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return $type . \DS . substr ( $file, 0, strpos ( $file, $this->postfix . '.php' ) ); |
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} ); |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Ubiquity\cache\system\AbstractDataCache::clearCache() |
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*/ |
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public function clearCache($type) { |
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CacheFile::delete ( $this->_root . \strtolower ( $type ) ); |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Ubiquity\cache\system\AbstractDataCache::getCacheInfo() |
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*/ |
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public function getCacheInfo() { |
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$result = parent::getCacheInfo (); |
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$result .= "<br>Root cache directory is <b>" . UFileSystem::cleanPathname ( $this->_root ) . "</b>."; |
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return $result; |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Ubiquity\cache\system\AbstractDataCache::getEntryKey() |
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*/ |
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public function getEntryKey($key) { |
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return UFileSystem::cleanFilePathname ( $this->_getPath ( $key ) ); |
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} |
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/** |
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* |
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* {@inheritdoc} |
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* @see \Ubiquity\cache\system\AbstractDataCache::setRoot() |
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*/ |
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public function setRoot($root) { |
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$this->_root = rtrim ( $root, \DS ) . \DS; |
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} |
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} |
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phpMv /
ubiquity
