private void addParents(Lop node,ArrayList<Lop> node_v,ArrayList<Lop> exec_n){
  for (  Lop enode : exec_n) {
    if (isChild(node,enode,IDMap)) {
      if (!node_v.contains(enode)) {
        if (LOG.isTraceEnabled())         LOG.trace("Adding parent - " + enode.toString());
        node_v.add(enode);
      }
    }
  }
}

private void addParents ( Lop node , ArrayList < Lop > node_v , ArrayList < Lop > exec_n ) { for ( Lop enode : exec_n ) { if ( isChild ( node , enode , IDMap ) ) { if ( ! node_v . contains ( enode ) ) { if ( LOG . isTraceEnabled ( ) ) LOG . trace ( "Adding parent - " + enode . toString ( ) ) ; node_v . add ( enode ) ; } } } }
method to add all parents of " node " in exec_n to node_v .
