new RegisteredState(this, AccessControl.getUserView().getPerson(), new DateTime());
new RegisteredState(this, AccessControl.getUserView() != null ? AccessControl.getUserView() .getPerson() : null, new DateTime());
    public Registration() {	super();	setRootDomainObject(RootDomainObject.getInstance());	setStartDate(new YearMonthDay());	new RegisteredState(this, AccessControl.getUserView().getPerson(), new DateTime());    }