diff --git a/heatclient/openstack/common/apiclient/base.py b/heatclient/openstack/common/apiclient/base.py
index d3d772ca..13faeb67 100644
--- a/heatclient/openstack/common/apiclient/base.py
+++ b/heatclient/openstack/common/apiclient/base.py
@@ -39,14 +39,17 @@ Base utilities to build API operation managers and objects on top of.
 
 import abc
 import copy
+import logging
 
 from oslo_utils import strutils
 import six
 from six.moves.urllib import parse
 
-from heatclient.openstack.common._i18n import _
+from heatclient.openstack.common._i18n import _, _LW
 from heatclient.openstack.common.apiclient import exceptions
 
+LOG = logging.getLogger(__name__)
+
 
 def getid(obj):
     """Return id if argument is a Resource.
@@ -518,10 +521,19 @@ class Resource(object):
         # two resources of different types are not equal
         if not isinstance(other, self.__class__):
             return False
-        if hasattr(self, 'id') and hasattr(other, 'id'):
-            return self.id == other.id
+        LOG.warning(_LW("Two objects are equal when all of the attributes are "
+                        "equal, if you want to identify whether two objects "
+                        "are same one with same id, please use is_same_obj() "
+                        "function."))
         return self._info == other._info
 
+    def is_same_obj(self, other):
+        """Identify the two objects are same one with same id."""
+        if isinstance(other, self.__class__):
+            if hasattr(self, 'id') and hasattr(other, 'id'):
+                return self.id == other.id
+        return False
+
     def is_loaded(self):
         return self._loaded
 
diff --git a/heatclient/tests/unit/test_openstack_common.py b/heatclient/tests/unit/test_openstack_common.py
new file mode 100644
index 00000000..3375c835
--- /dev/null
+++ b/heatclient/tests/unit/test_openstack_common.py
@@ -0,0 +1,75 @@
+# Copyright 2015 Huawei.
+# All Rights Reserved.
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import testtools
+
+from heatclient.openstack.common.apiclient import base
+from heatclient.v1 import events
+from heatclient.v1 import stacks
+
+
+class BaseTest(testtools.TestCase):
+
+    def test_two_resources_with_same_id_are_not_equal(self):
+        # Two resources with same ID: never equal if their info is not equal
+        r1 = base.Resource(None, {'id': 1, 'name': 'hi'})
+        r2 = base.Resource(None, {'id': 1, 'name': 'hello'})
+        self.assertNotEqual(r1, r2)
+
+    def test_two_resources_with_same_id_and_info_are_equal(self):
+        # Two resources with same ID: equal if their info is equal
+        r1 = base.Resource(None, {'id': 1, 'name': 'hello'})
+        r2 = base.Resource(None, {'id': 1, 'name': 'hello'})
+        self.assertEqual(r1, r2)
+
+    def test_two_resources_with_diff_type_are_not_equal(self):
+        # Two resoruces of different types: never equal
+        r1 = base.Resource(None, {'id': 1})
+        r2 = events.Event(None, {'id': 1})
+        self.assertNotEqual(r1, r2)
+
+    def test_two_resources_with_no_id_are_equal(self):
+        # Two resources with no ID: equal if their info is equal
+        r1 = base.Resource(None, {'name': 'joe', 'age': 12})
+        r2 = base.Resource(None, {'name': 'joe', 'age': 12})
+        self.assertEqual(r1, r2)
+
+    def test_is_same_object(self):
+        # Two resources with same type and same ID: is same object
+        r1 = base.Resource(None, {'id': 1, 'name': 'hi'})
+        r2 = base.Resource(None, {'id': 1, 'name': 'hello'})
+        self.assertTrue(r1.is_same_obj(r2))
+        self.assertTrue(r2.is_same_obj(r1))
+
+    def test_is_diff_object_with_diff_id(self):
+        # Two resources with same type and different ID: is different object
+        r1 = base.Resource(None, {'id': 1, 'name': 'hello'})
+        r2 = base.Resource(None, {'id': 2, 'name': 'hello'})
+        self.assertFalse(r1.is_same_obj(r2))
+        self.assertFalse(r2.is_same_obj(r1))
+
+    def test_is_diff_object_with_diff_type(self):
+        # Two resources with different types: is different object
+        r1 = events.Event(None, {'id': 1})
+        r2 = stacks.Stack(None, {'id': 1})
+        self.assertFalse(r1.is_same_obj(r2))
+        self.assertFalse(r2.is_same_obj(r1))
+
+    def test_is_diff_object_with_no_id(self):
+        # Two resources with no ID: is different object
+        r1 = base.Resource(None, {'name': 'joe', 'age': 12})
+        r2 = base.Resource(None, {'name': 'joe', 'age': 12})
+        self.assertFalse(r1.is_same_obj(r2))
+        self.assertFalse(r2.is_same_obj(r1))