private static boolean isEdgeDataValid(final Quad<Integer,IAddress,Integer,IAddress> edgeData){
  if ((edgeData.second() == null) || (edgeData.fourth() == null)) {
    return false;
  }
  if ((edgeData.first() == -1) || (edgeData.third() == -1)) {
    return false;
  }
  return true;
}

private static boolean isEdgeDataValid ( final Quad < Integer , IAddress , Integer , IAddress > edgeData ) { if ( ( edgeData . second ( ) == null ) || ( edgeData . fourth ( ) == null ) ) { return false ; } if ( ( edgeData . first ( ) == - 1 ) || ( edgeData . third ( ) == - 1 ) ) { return false ; } return true ; }
checks whether edge data is valid for a global edge comment .
