/**
  * Met à jour les features de chaque objet featurer selon une requete query
  *
  * @throws ExecutionException
  * @throws InterruptedException
  */
 @Override
 public void setListeFeatures(Query query)
     throws IOException, InterruptedException, ExecutionException {
   System.out.println("Query numéro : " + query.getId());
   for (Featurer featurer : featurers) featurer.setListeFeatures(query);
 }