distinguish __src (obj) vs. __src_id (str)

1 files changed, 16 insertions, 9 deletions

diff --git a/src-py/model/model.py b/src-py/model/model.py
index 701074ab..33cf9e6a 100644
--- a/src-py/model/model.py
+++ b/src-py/model/model.py
@@ -3,24 +3,31 @@ class Link():
     documentation anchor - this class currently carries no implementation
     and only acts as a documentation anchor
     
-    link['__src'] - meta attribute for link source
-    link['__dst'] - meta attribute for link destination
+    link['__src'] - meta attribute for link source object
+    link['__dst'] - meta attribute for link destination object
     """
-    
+
+    def __init__(self, src=None, dst=None):
+        assert False, 'currently unused'
+
     class Link_Ptr(dict):
+        """
+        link['__src_id'] - meta attribute for link source id
+        link['__dst_id'] - meta attribute for link destination id
+        """
         def __init__(self, src_id=None, dst_id=None):
             assert None != src_id or None != dst_id
-            
-            self['__src'] = src_id
-            self['__dst'] = dst_id
-        
+
+            self['__src_id'] = src_id
+            self['__dst_id'] = dst_id
+
         @property
         def src_id(self):
-            return self['__src']
+            return self['__src_id']
 
         @property
         def dst_id(self):
-            return self['__dst']
+            return self['__dst_id']
 
     @staticmethod
     def link_ptr(src_id=None, dst_id=None):