public function findAll()
    {
        $keys = $this->getFileManager()->keys();
        $entities = array();
        if(is_array($keys)) {
            foreach($keys as $key) {
                if(preg_match('/^'.$this->getHash().'/', $key)) {
                    $entities[] = $this->loadEntity($key);
                }
            }
        }
        
        return $entities;
    }