class xautoload_ClassFinder_ApcCache in X Autoload 7.2

Hierarchy

• class \xautoload_ClassFinder_ApcCache

File

lib/ClassFinder/ApcCache.php, line 4

class xautoload_ClassFinder_ApcCache {
  protected $prefix;
  protected $finder;

  /**
   * @param object $finder
   *   Another ClassFinder to delegate to, if the class is not in the cache.
   * @param string $prefix
   *   A prefix for the storage key in APC.
   */
  function __construct($finder, $prefix) {
    if (!extension_loaded('apc') || !function_exists('apc_store')) {
      throw new Exception('Unable to use xautoload_ClassFinder_ApcCache, as APC is not enabled.');
    }
    $this->finder = $finder;
    $this->prefix = $prefix;
  }

  /**
   * @param string $class
   *   The class that wants to be autoloaded.
   */
  function findFile($api, $class) {
    $key = $this->prefix . ':' . $class;
    $file = apc_fetch($key);
    if (!empty($file)) {
      if ($api
        ->suggestFile($file)) {
        return TRUE;
      }
      else {

        // Value in cache no longer valid.
        apc_delete($key);
      }
    }

    // Class was not found in cache, or cache is no longer valid,
    // so we ask the finder.
    if ($this->finder
      ->findFile($api, $class)) {
      apc_store($key, $api
        ->getFile());
      return TRUE;
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
xautoload_ClassFinder_ApcCache::$finder	protected	property
xautoload_ClassFinder_ApcCache::$prefix	protected	property
xautoload_ClassFinder_ApcCache::findFile		function
xautoload_ClassFinder_ApcCache::__construct		function