add isListeningConnection method to differentiate connections

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@427 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/connection.py

@@ -99,6 +99,9 @@ class BaseConnection(object):
     def getUUID(self):
         return None
 
+    def isListeningConnection(self):
+        raise NotImplementedError
+
 class ListeningConnection(BaseConnection):
     """A listen connection."""
     def __init__(self, event_manager, handler, addr = None,
@@ -120,6 +123,9 @@ class ListeningConnection(BaseConnection):
         except ConnectorTryAgainException:
             pass
             
+    def isListeningConnection(self):
+        return True
+
 class Connection(BaseConnection):
     """A connection."""
     def __init__(self, event_manager, handler,
@@ -318,6 +324,9 @@ class Connection(BaseConnection):
     def isServerConnection(self):
         raise NotImplementedError
 
+    def isListeningConnection(self):
+        return False
+
 class ClientConnection(Connection):
     """A connection from this node to a remote node."""
     def __init__(self, event_manager, handler, addr = None,