/**
  * Add autoloader class
  *
  * @param \Varien_Event_Observer $observer
  *
  * @return void
  */
 public function addAutoloader(Varien_Event_Observer $observer)
 {
     if (self::$registered) {
         return;
     }
     spl_autoload_register(array($this, 'autoload'), false, true);
     self::$registered = true;
 }
 /**
  * Init fact-finder lib autoloader
  *
  * @return void
  */
 protected function _initFFAutoloader()
 {
     $autoloaderClass = new FACTFinder_Core_Model_Autoloader();
     $autoloaderClass->addAutoloader(new Varien_Event_Observer());
 }