Use attributeTracker on node._state.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1563 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/node.py

@@ -21,6 +21,8 @@ from neo import logging
 from neo.util import dump
 from neo.protocol import NodeTypes, NodeStates
 
+from neo import attributeTracker
+
 class Node(object):
     """This class represents a node."""
 
@@ -144,6 +146,14 @@ class Node(object):
         except KeyError:
             raise NotImplementedError
 
+    def whoSetState(self):
+        """
+          Debugging method: call this method to know who set the current
+          state value.
+        """
+        return attributeTracker.whoSet(self, '_state')
+
+attributeTracker.track(Node)
 
 class MasterNode(Node):
     """This class represents a master node."""