diff -r d8fccb2cd802 -r 468f4c8d3d5b Orb/python/orb/mapcreators/mapentry.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Orb/python/orb/mapcreators/mapentry.py	Wed Aug 11 14:49:30 2010 +0100
@@ -0,0 +1,56 @@
+# Copyright (c) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+# All rights reserved.
+# This component and the accompanying materials are made available
+# under the terms of the License "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+#
+# Initial Contributors:
+# Nokia Corporation - initial contribution.
+#
+# Contributors:
+#
+class MapEntry(object):
+    "Encapsulates a ditamap entry and allows them to be compared"
+    def __init__(self, tag, href=None, navtitle=None, children=[]):
+        self.tag = tag
+        self.href = href
+        self.navtitle = navtitle
+        self.children = children
+        
+    def __eq__(self, other):
+        if (other is None or not getattr(other, 'href') 
+                          or not getattr(other, 'navtitle')
+                          or not getattr(other, 'tag')):
+            return False
+        return (
+                self.tag == other.tag and 
+                self.href == other.href and
+                self.navtitle == other.navtitle
+        )
+    
+    def __hash__(self):
+        return hash((self.tag, self.href, self.navtitle))
+    
+    
+################################################################
+# Unit test code
+################################################################
+import unittest
+
+
+class TestMapEntry(unittest.TestCase):
+    def test_i_correctly_handle_possible_erros_when_comparing(self):
+        map_a = MapEntry("a", "www.nokia.com", "Nokia")
+        self.assertFalse(map_a == None)
+        self.assertFalse(map_a == MapEntry("a", "www.nokia.com"))
+
+    def test_i_correctly_compare_equal_map_entry_items(self):
+        map_a = MapEntry("a", "www.nokia.com", "Nokia")
+        map_b = MapEntry("a", "www.nokia.com", "Nokia")
+        self.assertTrue(map_a == map_b)
+        
+    def test_i_correctly_compare_unequal_map_entry_items(self):
+        map_a = MapEntry("a", "www.nokia.com", "Nokia")
+        map_b = MapEntry("a", "www.symbian.com", "Nokia")
+        self.assertFalse(map_a == map_b)