class Sensor:
	def __init__(self, sensorName):
		self.m_name = sensorName
		self.m_isValid = True # false if this sensor is not actually present on the target machine
		return
	def dump(self):
		print self.m_name
		
class FanSensor(Sensor):
	def __init__(self, sensorName):
		Sensor.__init__(self, sensorName)
	def dump(self):
		print 'Fan \'', self.m_name, '\' rpm=',self.m_rpms
	def typeName(self):
		return 'Fan'

class TemperatureSensor(Sensor):
	def __init__(self, sensorName):
		Sensor.__init__(self, sensorName)
	def dump(self):
		print 'Temperature \'', self.m_name, '\' temperature=',self.m_temperature
	def typeName(self):
		return 'Temperature'