Vaadin plus YFiles + Neo4J

We are interested to use yFiles to devlop an application to manage (create, delete, modify, …, objects of the db) a Neo4J database. We are looking for a particular look and feel of the representation.
We want do the developemnt using Java (high experience: 24 years) do you know project using Vaadin + Neo4J + yFiles. We know that using GWT 2.8 it’s possible nad vaadin is a possibility too if its feasible.

Best regards