public boolean noSbbEntitiesAttached() {
		final Node node  = getAttachedSbbsNode(false);
		return node != null ? node.getChildrenNames().isEmpty() : true;
	}
public boolean noSbbEntitiesAttached ( ) { final Node node = getAttachedSbbsNode ( false ) ; return node != null ? node . getChildrenNames ( ) . isEmpty ( ) : true ; }
Verifies if there at least one sbb entity attached

@return false is there are no sbb entities attached, true otherwise