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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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* @param string $root absolute path to the root-folder where cache-files will be stored |
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* @param string $postfix Termination of file names |
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* @param array $cacheParams defaults to ["fileMode"=>"0777"] |
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*/ |
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public function __construct($root, $postfix="", $cacheParams=[]) { |
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parent::__construct($root, $postfix); |
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$this->_fileMode=(isset($cacheParams["fileMode"])) ? $cacheParams["fileMode"] : 0777; |
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if (!is_dir($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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* @param string $key cache key |
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* @return boolean true if data with the given key has been stored; otherwise false |
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*/ |
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public function exists($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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* @param string $key cache key |
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* @param string $content the source-code to be cached |
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* @throws CacheException if file could not be written |
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*/ |
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protected function storeContent($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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* @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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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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* @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 \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 $key cache key |
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* @return int unix timestamp |
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*/ |
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public function getTimestamp($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 $key cache key |
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* @return string absolute path of the PHP file |
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*/ |
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private function _getPath($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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* {@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
