def updateReceivedData(self, dataIdentifier, value):
if self.lastValueMapping[dataIdentifier] is None or self.lastValueMapping[dataIdentifier] != value:
self.lastValueMapping[dataIdentifier] = value
measurement = Measurement.currentMeasurement({dataIdentifier: value})
self.measurementBuffer.append(measurement)
else:
logging.getLogger().error(
"New data are equals to previous one ({}: {}). Skipping...".format(dataIdentifier, repr(value)))
def tryBuffer(self, updateBuffer, dataIdentifier, data):
try:
updateBuffer.updateReceivedData(dataIdentifier, data)
if updateBuffer.isComplete():
d = updateBuffer.getData()
updateBuffer.reset()
measurement = Measurement.currentMeasurement(d)
self.channelUpdateSupervisor.dataAvailable(updateBuffer.channel, measurement)
except TopicException as ex:
pass
def tryBuffer(self, updateBuffer, dataIdentifier, data):
try:
updateBuffer.updateReceivedData(dataIdentifier, data)
if updateBuffer.isComplete():
d = updateBuffer.getData()
updateBuffer.reset()
measurement = Measurement.currentMeasurement(d)
self.channelUpdateSupervisor.dataAvailable(
updateBuffer.channel, measurement)
except TopicException as ex:
pass
def createAverageMeasurement(self):
"""
Create measurement from collected data during update interval period.
"""
averageData = {}
for measurement in self.intervalMeasurements:
for dataIdentifier, value in measurement.fields.items():
if dataIdentifier not in averageData:
averageData[dataIdentifier] = 0
averageData[dataIdentifier] += float(value)
for dataIdentifier, value in averageData.items():
averageData[dataIdentifier] = averageData[dataIdentifier] / float(
len(self.intervalMeasurements))
lastTime = self.intervalMeasurements[-1]
return Measurement(averageData, lastTime)
def getMeasurement(self):
return Measurement.currentMeasurement(self.getData())
