public void CheckValidGetDeliverMidasTrafficDataResponseTest()
{
IMidasTrafficDataService midasTrafficDataService = new MidasTrafficDataService();
DeliverMIDASTrafficDataRequest deliverMIDASTrafficDataRequest = new DeliverMIDASTrafficDataRequest();
deliverMIDASTrafficDataRequest.d2LogicalModel = model;
string expected = "DeliverMIDASTrafficDataRequest: Successful Delivery";
string actual;
actual = (midasTrafficDataService.GetDeliverMidasTrafficDataResponse(deliverMIDASTrafficDataRequest)).status;
Assert.AreEqual(expected, actual);
}
public void CheckErrorInGetDeliverMidasTrafficDataResponseTest()
{
IMidasTrafficDataService midasTrafficDataService = new MidasTrafficDataService();
DeliverMIDASTrafficDataRequest deliverMIDASTrafficDataRequest = new DeliverMIDASTrafficDataRequest();
model = null; // This will be checked by ExampleDataCheckOk(d2LogicalModel)
deliverMIDASTrafficDataRequest.d2LogicalModel = model;
string expected = "DeliverMIDASTrafficDataRequest: Successful Delivery";
string actual;
// This should cause a SoapException
actual = (midasTrafficDataService.GetDeliverMidasTrafficDataResponse(deliverMIDASTrafficDataRequest)).status;
Assert.AreEqual(expected, actual);
}
public DeliverMIDASTrafficDataResponse GetDeliverMidasTrafficDataResponse(DeliverMIDASTrafficDataRequest deliverMIDASTrafficDataRequest)
{
log.Info("New DeliverMIDASTrafficDataRequest received.");
D2LogicalModel d2LogicalModel = deliverMIDASTrafficDataRequest.d2LogicalModel;
MeasuredDataPublication measuredDataPublication = null;
DeliverMIDASTrafficDataResponse response = new DeliverMIDASTrafficDataResponse();
// Validate the D2Logical Model
if (!ExampleDataCheckOk(d2LogicalModel))
{
throw new SoapException("Incoming request does not appear to be valid!", SoapException.ClientFaultCode);
}
// MeasuredDataPublication class contains the feed description, feed
// type, site measurements, publication time and other header information.
try
{
measuredDataPublication = d2LogicalModel.payloadPublication as MeasuredDataPublication;
if (measuredDataPublication != null && measuredDataPublication.headerInformation != null)
{
// Eash MIDAS site is encapsulated within a SiteMeasurements object.
// Cycle through these to get to the sensor readings for a MIDAS site.
foreach (SiteMeasurements siteMeasurement in measuredDataPublication.siteMeasurements)
{
log.Debug("measurementDataPublication ID is " + siteMeasurement.measurementSiteReference.id);
log.Debug("measurementDataPublication time default is " + siteMeasurement.measurementTimeDefault.ToString());
// Cycle through the MeasuredValues to get the individual sensor readings for a MIDAS site.
foreach (_SiteMeasurementsIndexMeasuredValue singleMeasuredValue in siteMeasurement.measuredValue)
{
int index = singleMeasuredValue.index;
// Each sensor reading has an index. This represents the lane number the sensor reading is for.
// On retrieving the index, you can use getLaneNumberFromTrafficDataIndex to get the lane number.
int laneNumber = GetLaneNumberFromTrafficDataIndex(index);
log.Debug("lane number is " + laneNumber);
// To determine what type the sensore reading is, cast the basic data value to the appropriate
// type and retrieve the value of interest.
MeasuredValue mv = singleMeasuredValue.measuredValue;
BasicData basicData = mv.basicData;
if (basicData is TrafficFlow)
{
// For a lane, TrafficFlow will appear 4 times. i.e.
// flow1, flow2 ... flow4. It will appear in order.
}
else if (basicData is TrafficSpeed)
{
// Now you have TrafficSpeed. Cast it appropriately
// to retrieve values you are interested in.
}
else if (basicData is TrafficHeadway)
{
// Now you have TrafficHeadway. Cast it appropriately
// to retrieve values you are interested in.
}
else if (basicData is TrafficConcentration)
{
// Now you have TrafficConcentration. Cast it
// appropriately to retrieve values you are
// interested in.
}
}
}
// You can convert the site measurements to you model objects
// and subsequently persist/manipulate your model objects.
List<TrafficData> trafficData = ConvertToModelObjects(measuredDataPublication.siteMeasurements.ToList());
}
}
catch (Exception e)
{
log.Error("Error while obtaining MeasuredDataPublication.");
log.Error(e.Message);
throw new SoapException("Error while obtaining MeasuredDataPublication.", SoapException.ServerFaultCode, e);
}
response.status = "DeliverMIDASTrafficDataRequest: Successful Delivery";
return response;
}
