private Order order;

	@Inject
	private EntityMangager entityManger;

	public void load(Order order)
	{
		this.order = entityManager.merge(order);
	}

	public void save()
	{
		if (!entityManager.contains(order))
		{
			// here we end up
			init stuff
		}
		entityManager.persist(tilaus);
		entityManager.flush();
	}