import abc
import logging
from utils.value import AttributeChange


class ATemperatureSensor(AttributeChange):
	def __init__(self):
		AttributeChange.__init__(self)

	def log(self, s):
		d = {'user': "TemperatureSensor" + "::" + self.name()}
		logging.info("{}".format(s), extra=d)

	@abc.abstractmethod
	def name(self):
		return ""

	@abc.abstractmethod
	def temperature(self):
		return None

	@abc.abstractmethod
	def process(self):
		pass