private boolean isCodeshareFlight(DgOagLine line) {
if (line.isCodeshareFlight()) {
this.ignoredCodeshareFlights++;
return true;
}
return false;
}
private boolean isBusOrTrainFlight(DgOagLine line) {
String aircraftType = line.getAircraftType();
if (aircraftType.equalsIgnoreCase("BUS") // filter busses
|| aircraftType.equalsIgnoreCase("RFS") // filter bus/train
|| aircraftType.equalsIgnoreCase("TRN")) { // filter trains
this.ignoredBusOrTrainFlights++;
return true;
}
return false;
}
private double calculateFlightDuration(DgOagLine l, String route) {
double duration = l.getFlightDurationSeconds();
if (duration > 24.0 * 3600) {
log.warn(
"Flight "
+ l.getFlightNumber()
+ " has a duration of "
+ Time.writeTime(duration)
+ " hh:mm:ss that is considered as not realistic, substracting 24 h...");
duration -= (24.0 * 3600.0);
}
if (DgCreateSfFlightScenario.doCreateStars) {
duration = this.calculateFlightDurationWithStar(l.getDestinationAirport(), duration);
}
if (!this.routeDurationMap.containsKey(route)) {
this.routeDurationMap.put(route, duration);
}
return duration;
}
private DgOagFlight createFlight(
String flightDesignator, double departureInSec, double duration, String route, DgOagLine l) {
DgOagFlight dgf = new DgOagFlight(flightDesignator);
dgf.setAircraftType(l.getAircraftType());
dgf.setCarrier(l.getCarrier());
dgf.setDepartureTime(departureInSec);
dgf.setDuration(duration);
dgf.setSeatsAvailable(l.getSeatsAvailable());
dgf.setRoute(route);
dgf.setDistanceKm(l.getFlightDistanceKm());
dgf.setOriginCode(l.getOriginAirport());
dgf.setDestinationCode(l.getDestinationAirport());
return dgf;
}
private boolean hasOtherBadData(DgOagLine line) {
// && seatsAvail > 0 // filter for flights with 1 PAX or more only
// && !originAirport.equalsIgnoreCase(destinationAirport)
// && (stops < 1) && (duration > 0.) && (fullRouting.length() <= 6)) {
if (line.getSeatsAvailable() <= 0
|| line.getOriginAirport().equalsIgnoreCase(line.getDestinationAirport())
|| line.getStops() > 1
|| line.getFlightDurationSeconds() <= 0.0
|| line.getFullRouting().length() > 6) {
this.ignoredDueToBadData++;
return true;
}
return false;
}
private DgOagFlightsData filter(
List<DgOagLine> oagLines, String outputDirectory, String oagFlightsOutputFilename)
throws Exception {
DgOagFlightsData data = new DgOagFlightsData();
for (DgOagLine l : oagLines) {
boolean skipLine = false;
if (!isCountryOfInterest(l.getOriginCountry(), l.getDestinationCountry())) {
continue;
// skipLine = true;
}
if (isCodeshareFlight(l)) {
// skipLine = true;
continue;
}
if (isBusOrTrainFlight(l)) {
// skipLine = true;
continue;
}
String flightDesignator = l.getCarrier() + l.getFlightNumber();
if (data.getFlightDesignatorFlightMap().containsKey(flightDesignator)) {
log.warn("Flight already exists: " + flightDesignator);
this.ignoredDueDuplicatedEntry++;
// skipLine = true;
continue;
}
if (DgCreateSfFlightScenario.doApplyAirportFilter) {
if (!isAiportFilterApplying(l.getOriginAirport(), l.getDestinationAirport())) {
this.ignoredDueAirportFilter++;
// skipLine = true;
continue;
}
}
// the filters below are relevant for detection of data accuracy for data that is not provided
// by oag
// --> skipLine instead of continue
if (!airportCoordinatesAvailable(
l.getOriginAirport(), l.getDestinationAirport(), availableAirportCoordinates)) {
skipLine = true;
}
if (!isUTCOffsetAvailable(l.getOriginAirport(), l.getDestinationAirport())) {
skipLine = true;
}
if (hasOtherBadData(l)) {
skipLine = true;
}
if (skipLine) {
continue;
}
String route = l.getOriginAirport() + "_" + l.getDestinationAirport();
// log.debug("route: " + route);
double departureInSec = l.getDepartureTimeSeconds();
double utcOffset = this.utcOffset.get(l.getOriginAirport());
departureInSec = departureInSec - utcOffset;
if (departureInSec < 0) {
departureInSec +=
(24.0
* 3600.0); // shifting flights with departure on previous day in UTC time +24 hours
}
double duration = this.calculateFlightDuration(l, route);
this.cityPairDistance.put(route, l.getFlightDistanceKm());
if ((l.getFlightDistanceKm() * 1000 / duration) <= 40.) {
log.debug("too low speed :" + flightDesignator);
}
// used to generate Tuesday flights only, for other days change the daysOfOperation filter
// below to desired
// day
DgOagFlight dgOagFlight = null;
if (DgCreateDgFlightScenario.useSingleDayOfOperation) {
if (this.operatesTuesdays(l.getDaysOfOperation())) {
dgOagFlight = this.createFlight(flightDesignator, departureInSec, duration, route, l);
data.addFlight(dgOagFlight);
this.airportsInModel.put(
l.getOriginAirport(), availableAirportCoordinates.get(l.getOriginAirport()));
this.airportsInModel.put(
l.getDestinationAirport(),
availableAirportCoordinates.get(l.getDestinationAirport()));
}
}
// used to generate air traffic of an entire week with departures being shifted 24 hours for
// each day
else {
char[] opsDays = l.getDaysOfOperation();
for (int dayCount = 0; dayCount <= opsDays.length; dayCount++) {
flightDesignator = flightDesignator + "_" + opsDays[dayCount];
int opsDay = Integer.parseInt(String.valueOf(opsDays[dayCount]));
departureInSec = (departureInSec + opsDay * 24 * 3600.) - 24 * 3600.0;
dgOagFlight = this.createFlight(flightDesignator, departureInSec, duration, route, l);
data.addFlight(dgOagFlight);
this.airportsInModel.put(
l.getOriginAirport(), availableAirportCoordinates.get(l.getOriginAirport()));
this.airportsInModel.put(
l.getDestinationAirport(),
availableAirportCoordinates.get(l.getDestinationAirport()));
}
}
}
return data;
}