private function getAccess() {
        if (is_null($this->access)) {
            $chain = $this->getRolesChain();
            $tmpAccess = array();

            foreach ($chain as $role) {
                $arrAccess = $this->aclModel->getAccessForARole($role['id_role']);
                foreach ($arrAccess as $accessItem) {
                    $tmpAccess[$accessItem['controller']] = explode("|",
                            $accessItem['rules']);
                }
            }
            $this->access = $tmpAccess;
            return $this->access;
        } else {
            return $this->access;
        }
    }