--- nfo/perl/libs/Data/Mungle/Transform/Deep.pm	2003/03/28 03:07:26	1.18
+++ nfo/perl/libs/Data/Mungle/Transform/Deep.pm	2003/04/04 17:31:23	1.20
@@ -1,7 +1,13 @@
 ## ---------------------------------------------------------------------------
-##  $Id: Deep.pm,v 1.18 2003/03/28 03:07:26 jonen Exp $
+##  $Id: Deep.pm,v 1.20 2003/04/04 17:31:23 joko Exp $
 ## ---------------------------------------------------------------------------
 ##  $Log: Deep.pm,v $
+##  Revision 1.20  2003/04/04 17:31:23  joko
+##  minor update to 'childObj2string'
+##
+##  Revision 1.19  2003/03/28 03:11:25  jonen
+##  + bugfix
+##
 ##  Revision 1.18  2003/03/28 03:07:26  jonen
 ##  + minor changes
 ##
@@ -488,14 +494,21 @@
 }
 
 
+# encodes object-references to serialized string representations
+# made up of:
+#   - 'o_<classname>_<ref type>_<guid>'???
+#   - 'o_{guid}_{classname}'!!!
 sub childObj2string {
   my $obj = shift;
   my $option = shift; 
-  my $classname = ref $obj;
+  my $string = 'n/a';
+  
+  if ($option == 1) {
+    if ((my $classname = ref $obj) && (my $guid = $obj->{guid})) {
+      $string = join('_', 'o', $guid, $classname);
+    }  
+  }
   
-  if($option == 1) {
-    my $string = "o_" . $obj->{guid} . "_" . $classname;
-  }  
   return $string;
 }