diff -r 002d3141ff99 -r a0ee643fe832 app/soc/logic/models/program.py
--- a/app/soc/logic/models/program.py	Tue Jan 06 17:26:06 2009 +0000
+++ b/app/soc/logic/models/program.py	Tue Jan 06 20:56:48 2009 +0000
@@ -19,6 +19,7 @@
 
 __authors__ = [
   '"Sverre Rabbelier" <sverre@rabbelier.nl>',
+  '"Lennard de Rijk" <ljvderijk@gmail.com>',
   ]
 
 
@@ -39,6 +40,24 @@
 
     super(Logic, self).__init__(model=model, base_model=base_model,
                                 scope_logic=scope_logic)
+    
+  def getKeyValues(self, entity):
+    """See base.Logic.getKeyNameValues.
+    """
+
+    return [entity.scope_path, entity.workflow, entity.link_id]
+
+  def getKeyValuesFromFields(self, fields):
+    """See base.Logic.getKeyValuesFromFields.
+    """
+
+    return [fields['scope_path'], fields['workflow'], fields['link_id']]
+
+  def getKeyFieldNames(self):
+    """See base.Logic.getKeyFieldNames.
+    """
+
+    return ['scope_path', 'workflow', 'link_id']
 
 
 logic = Logic()