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<?php |
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/* |
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* Go! AOP framework |
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* |
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* @copyright Copyright 2014, Lisachenko Alexander <[email protected]> |
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* |
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* This source file is subject to the license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace Go\Core; |
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use Go\Aop\Advisor; |
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use Go\Aop\Aspect; |
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use Go\Aop\Pointcut; |
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use ReflectionClass; |
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/** |
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* Cached loader is responsible for faster initialization of pointcuts/advisors for concrete aspect |
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* |
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* @property AspectLoader loader |
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*/ |
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class CachedAspectLoader extends AspectLoader |
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{ |
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/** |
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* Path to the cache directory |
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* |
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* @var null|string |
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*/ |
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protected $cacheDir; |
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/** |
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* File mode for the cache files |
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* |
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* @var integer |
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*/ |
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protected $cacheFileMode; |
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/** |
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* Identifier of original loader |
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* |
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* @var string |
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*/ |
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protected $loaderId; |
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/** |
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* Cached loader constructor |
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* |
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* @param AspectContainer $container Instance of container |
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* @param string $loaderId Original loader identifier |
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* @param array $options List of kernel options |
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*/ |
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public function __construct(AspectContainer $container, $loaderId, array $options = []) |
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{ |
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$this->cacheDir = isset($options['cacheDir']) ? $options['cacheDir'] : null; |
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$this->cacheFileMode = $options['cacheFileMode']; |
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$this->loaderId = $loaderId; |
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$this->container = $container; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function load(Aspect $aspect) |
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{ |
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$refAspect = new ReflectionClass($aspect); |
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$fileName = $this->cacheDir . '/_aspect/' . sha1($refAspect->getName()); |
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// If cache is present and actual, then use it |
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if (file_exists($fileName) && filemtime($fileName) >= filemtime($refAspect->getFileName())) { |
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$loadedItems = $this->loadFromCache($fileName); |
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} else { |
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$loadedItems = $this->loader->load($aspect); |
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$this->saveToCache($loadedItems, $fileName); |
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} |
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return $loadedItems; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function registerLoaderExtension(AspectLoaderExtension $loader) |
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{ |
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$this->loader->registerLoaderExtension($loader); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __get($name) |
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{ |
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if ($name === 'loader') { |
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$this->loader = $this->container->get($this->loaderId); |
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return $this->loader; |
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} |
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throw new \RuntimeException("Not implemented"); |
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} |
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/** |
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* Loads pointcuts and advisors from the file |
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* |
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* @param string $fileName Name of the file with cache |
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* |
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* @return array|Pointcut[]|Advisor[] |
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*/ |
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protected function loadFromCache($fileName) |
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{ |
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$content = file_get_contents($fileName); |
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$loadedItems = unserialize($content); |
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return $loadedItems; |
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} |
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/** |
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* Save pointcuts and advisors to the file |
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* |
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* @param array|Pointcut[]|Advisor[] $items List of items to store |
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* @param string $fileName Name of the file with cache |
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*/ |
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protected function saveToCache($items, $fileName) |
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{ |
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$content = serialize($items); |
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$directoryName = dirname($fileName); |
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if (!is_dir($directoryName)) { |
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mkdir($directoryName, $this->cacheFileMode, true); |
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} |
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file_put_contents($fileName, $content, LOCK_EX); |
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// For cache files we don't want executable bits by default |
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chmod($fileName, $this->cacheFileMode & (~0111)); |
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} |
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} |
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goaop /
framework
