- added AttributeChange

components/atemperatureSensor.py

@@ -1,8 +1,12 @@
 import abc
 import logging
+from utils.value import AttributeChange, ValueChanged
 
 
-class ATemperatureSensor:
+class ATemperatureSensor(AttributeChange):
+	def __init__(self):
+		AttributeChange.__init__(self)
+
 	def log(self, s):
 		d = {'user': "TemperatureSensor" + "::" + self.name()}
 		logging.info ("{}".format(s), extra=d)
@@ -18,7 +22,3 @@ class ATemperatureSensor:
 	@abc.abstractmethod
 	def process(self):
 		pass
-
-	@abc.abstractmethod
-	def set_on_changed(self, on_changed):
-		pass