private function retrieveFromSession()
{
$state = $this->session->retrieve(__CLASS__);
if ($state instanceof \ArrayObject) {
$this->state = $state;
} else {
// TODO: try to resume the session stored in old format:
$u = $this->session->retrieve(\Nethgui\Authorization\UserInterface::ID);
if ($u instanceof self) {
$this->state = $u->state;
$this->session->store(__CLASS__, $this->state);
} else {
$this->session->login()->store(__CLASS__, $this->state);
}
}
$this->modified = FALSE;
}
