@Override
	public EntityModel<Order> process(EntityModel<Order> model) {

		model.add( // <2>
				new Link("/payments/{orderId}").withRel(LinkRelation.of("payments")) //
						.expand(model.getContent().getOrderId()));

		return model; // <3>
	}
@ Override public EntityModel < Order > process ( EntityModel < Order > model ) { model . add ( new Link ( "/payments/{orderId}" ) . withRel ( LinkRelation . of ( "payments" ) ) . expand ( model . getContent ( ) . getOrderId ( ) ) ) ; return model ; }
<1>