@Override
 public void notifyActive() {
   ToulouseModule.downloadData();
 }
 @Override
 protected Collection<Relation> getBoundaries() {
   return ToulouseModule.getSectors();
 }
 @Override
 protected Collection<Relation> getBoundaries() {
   return ToulouseModule.getNeighbourhoods();
 }
 @Override
 protected Collection<Relation> getBoundaries() {
   return ToulouseModule.getMunicipalities();
 }