public RaptorStateSet getStateSet(RoutingRequest options) {
final Graph graph;
if (options.rctx == null) {
graph = graphService.getGraph(options.getRouterId());
options.setRoutingContext(graph);
options.rctx.pathParsers =
new PathParser[] {new BasicPathParser(), new NoThruTrafficPathParser()};
} else {
graph = options.rctx.graph;
}
RaptorData data = graph.getService(RaptorDataService.class).getData();
// we multiply the initial walk distance to account for epsilon dominance.
options.setMaxWalkDistance(options.getMaxWalkDistance() * WALK_EPSILON);
RoutingRequest walkOptions = options.clone();
walkOptions.rctx.pathParsers = new PathParser[0];
TraverseModeSet modes = options.getModes().clone();
modes.setTransit(false);
walkOptions.setModes(modes);
RaptorSearch search = new RaptorSearch(data, options);
for (int i = 0; i < options.getMaxTransfers() + 2; ++i) {
if (!round(data, options, walkOptions, search, i)) break;
}
RaptorStateSet result = new RaptorStateSet();
result.statesByStop = search.statesByStop;
return result;
}
/**
* Prune raptor data to include only routes and boardings which have trips today. Doesn't actually
* improve speed
*/
@SuppressWarnings("unchecked")
private RaptorData pruneDataForServiceDays(Graph graph, ArrayList<ServiceDay> serviceDays) {
if (serviceDays.equals(cachedServiceDays)) return cachedRaptorData;
RaptorData data = graph.getService(RaptorDataService.class).getData();
RaptorData pruned = new RaptorData();
pruned.raptorStopsForStopId = data.raptorStopsForStopId;
pruned.stops = data.stops;
pruned.routes = new ArrayList<RaptorRoute>();
pruned.routesForStop = new List[pruned.stops.length];
for (RaptorRoute route : data.routes) {
ArrayList<Integer> keep = new ArrayList<Integer>();
for (int i = 0; i < route.boards[0].length; ++i) {
Edge board = route.boards[0][i];
int serviceId;
if (board instanceof TransitBoardAlight) {
serviceId = ((TransitBoardAlight) board).getPattern().getServiceId();
} else {
log.debug("Unexpected nonboard among boards");
continue;
}
for (ServiceDay day : serviceDays) {
if (day.serviceIdRunning(serviceId)) {
keep.add(i);
break;
}
}
}
if (keep.isEmpty()) continue;
int nPatterns = keep.size();
RaptorRoute prunedRoute = new RaptorRoute(route.getNStops(), nPatterns);
for (int stop = 0; stop < route.getNStops() - 1; ++stop) {
for (int pattern = 0; pattern < nPatterns; ++pattern) {
prunedRoute.boards[stop][pattern] = route.boards[stop][keep.get(pattern)];
}
}
pruned.routes.add(route);
for (RaptorStop stop : route.stops) {
List<RaptorRoute> routes = pruned.routesForStop[stop.index];
if (routes == null) {
routes = new ArrayList<RaptorRoute>();
pruned.routesForStop[stop.index] = routes;
}
routes.add(route);
}
}
for (RaptorStop stop : data.stops) {
if (pruned.routesForStop[stop.index] == null) {
pruned.routesForStop[stop.index] = Collections.emptyList();
}
}
cachedServiceDays = serviceDays;
cachedRaptorData = pruned;
return pruned;
}
/**
* Makes a new empty Itinerary for a given path.
*
* @return
*/
private Itinerary makeEmptyItinerary(GraphPath path) {
Itinerary itinerary = new Itinerary();
State startState = path.states.getFirst();
State endState = path.states.getLast();
itinerary.startTime = makeCalendar(startState);
itinerary.endTime = makeCalendar(endState);
itinerary.duration = endState.getTimeInMillis() - startState.getTimeInMillis();
Graph graph = path.getRoutingContext().graph;
FareService fareService = graph.getService(FareService.class);
if (fareService != null) {
itinerary.fare = fareService.getCost(path);
}
itinerary.transfers = -1;
return itinerary;
}
/** Returns the first trip of the service day. */
public TripPlan generateFirstTrip(RoutingRequest request) {
Graph graph = graphService.getGraph(request.getRouterId());
TransitIndexService transitIndex = graph.getService(TransitIndexService.class);
transitIndexWithBreakRequired(transitIndex);
request.setArriveBy(false);
TimeZone tz = graph.getTimeZone();
GregorianCalendar calendar = new GregorianCalendar(tz);
calendar.setTimeInMillis(request.dateTime * 1000);
calendar.set(Calendar.HOUR, 0);
calendar.set(Calendar.MINUTE, 0);
calendar.set(Calendar.AM_PM, 0);
calendar.set(Calendar.SECOND, transitIndex.getOvernightBreak());
request.dateTime = calendar.getTimeInMillis() / 1000;
return generate(request);
}
public RoutingContext(
RoutingRequest traverseOptions, Graph graph, Vertex from, Vertex to, boolean findPlaces) {
this.opt = traverseOptions;
this.graph = graph;
if (findPlaces) {
// normal mode, search for vertices based on fromPlace and toPlace
fromVertex = graph.streetIndex.getVertexForPlace(opt.getFromPlace(), opt);
toVertex = graph.streetIndex.getVertexForPlace(opt.getToPlace(), opt, fromVertex);
if (opt.intermediatePlaces != null) {
for (NamedPlace intermediate : opt.intermediatePlaces) {
Vertex vertex = graph.streetIndex.getVertexForPlace(intermediate, opt);
intermediateVertices.add(vertex);
}
}
} else {
// debug mode, force endpoint vertices to those specified rather than searching
fromVertex = from;
toVertex = to;
}
if (opt.getStartingTransitStopId() != null) {
TransitIndexService tis = graph.getService(TransitIndexService.class);
if (tis == null) {
throw new RuntimeException(
"Next/Previous/First/Last trip "
+ "functionality depends on the transit index. Rebuild "
+ "the graph with TransitIndexBuilder");
}
AgencyAndId stopId = opt.getStartingTransitStopId();
startingStop = tis.getPreBoardEdge(stopId).getToVertex();
}
origin = opt.arriveBy ? toVertex : fromVertex;
target = opt.arriveBy ? fromVertex : toVertex;
calendarService = graph.getCalendarService();
transferTable = graph.getTransferTable();
timetableSnapshot = null;
setServiceDays();
if (opt.batch) remainingWeightHeuristic = new TrivialRemainingWeightHeuristic();
else remainingWeightHeuristic = heuristicFactory.getInstanceForSearch(opt);
}
@Override
public List<GraphPath> getPaths(RoutingRequest options) {
final Graph graph = graphService.getGraph(options.getRouterId());
if (options.rctx == null) {
options.setRoutingContext(graph);
options.rctx.pathParsers =
new PathParser[] {new BasicPathParser(), new NoThruTrafficPathParser()};
}
if (!options.getModes().isTransit()) {
return sptService.getShortestPathTree(options).getPaths();
}
// also fall back to A* for short trips
double distance =
distanceLibrary.distance(
options.rctx.origin.getCoordinate(), options.rctx.target.getCoordinate());
if (distance < shortPathCutoff) {
log.debug("Falling back to A* for very short path");
return shortPathService.getPaths(options);
}
RaptorDataService service = graph.getService(RaptorDataService.class);
if (service == null) {
log.warn("No raptor data. Rebuild with RaptorDataBuilder");
return Collections.emptyList();
}
RaptorData data = service.getData();
// we multiply the initial walk distance to account for epsilon dominance.
double initialWalk = options.getMaxWalkDistance() * WALK_EPSILON;
options.setMaxWalkDistance(initialWalk);
// do not even bother with obviously impossible walks
double minWalk =
options.rctx.origin.getDistanceToNearestTransitStop()
+ options.rctx.target.getDistanceToNearestTransitStop();
if (options.getMaxWalkDistance() < minWalk) {
options.setMaxWalkDistance(minWalk);
}
RoutingRequest walkOptions = options.clone();
walkOptions.rctx.pathParsers = new PathParser[0];
TraverseModeSet modes = options.getModes().clone();
modes.setTransit(false);
walkOptions.setModes(modes);
RaptorSearch search = new RaptorSearch(data, options);
if (data.maxTransitRegions != null) {
Calendar tripDate = Calendar.getInstance(graph.getTimeZone());
tripDate.setTime(new Date(1000L * options.dateTime));
Calendar maxTransitStart = Calendar.getInstance(graph.getTimeZone());
maxTransitStart.set(Calendar.YEAR, data.maxTransitRegions.startYear);
maxTransitStart.set(Calendar.MONTH, data.maxTransitRegions.startMonth);
maxTransitStart.set(Calendar.DAY_OF_MONTH, data.maxTransitRegions.startDay);
int day = 0;
while (tripDate.after(maxTransitStart)) {
day++;
tripDate.add(Calendar.DAY_OF_MONTH, -1);
}
if (day > data.maxTransitRegions.maxTransit.length || options.isWheelchairAccessible()) {
day = -1;
}
search.maxTimeDayIndex = day;
}
int rushAheadRound = preliminaryRaptorSearch(data, options, walkOptions, search);
long searchBeginTime = System.currentTimeMillis();
double expectedWorstTime =
1.5
* distanceLibrary.distance(
options.rctx.origin.getCoordinate(), options.rctx.target.getCoordinate())
/ options.getWalkSpeed();
int foundSoFar = 0;
double firstWalkDistance = 0;
List<RaptorState> targetStates = new ArrayList<RaptorState>();
do {
int bestElapsedTime = Integer.MAX_VALUE;
RETRY:
do {
for (int round = 0; round < options.getMaxTransfers() + 2; ++round) {
if (!round(data, options, walkOptions, search, round)) break;
long elapsed = System.currentTimeMillis() - searchBeginTime;
if (elapsed > multiPathTimeout * 1000 && multiPathTimeout > 0 && targetStates.size() > 0)
break RETRY;
ArrayList<RaptorState> toRemove = new ArrayList<RaptorState>();
for (RaptorState state : search.getTargetStates()) {
if (state.nBoardings == 0 && options.getMaxWalkDistance() > initialWalk) {
toRemove.add(state);
}
}
if (search.getTargetStates().size() > 0) {
if (firstWalkDistance == 0) {
firstWalkDistance = options.getMaxWalkDistance();
}
for (RaptorState state : toRemove) {
search.removeTargetState(state.walkPath);
}
}
if (targetStates.size() >= options.getNumItineraries() && round >= rushAheadRound) {
int oldBest = bestElapsedTime;
for (RaptorState state : search.getTargetStates()) {
final int elapsedTime = (int) Math.abs(state.arrivalTime - options.dateTime);
if (elapsedTime < bestElapsedTime) {
bestElapsedTime = elapsedTime;
}
}
int improvement = oldBest - bestElapsedTime;
if (improvement < 600 && bestElapsedTime < expectedWorstTime) break RETRY;
}
}
if (foundSoFar < search.getTargetStates().size()) {
foundSoFar = search.getTargetStates().size();
} else if (foundSoFar > 0) {
// we didn't find anything new in this round, and we already have
// some paths, so bail out
break;
}
options = options.clone();
walkOptions = walkOptions.clone();
if (search.getTargetStates().size() > 0 && bestElapsedTime < expectedWorstTime) {
// we have found some paths so we no longer want to expand the max walk distance
break RETRY;
} else {
options.setMaxWalkDistance(options.getMaxWalkDistance() * 2);
walkOptions.setMaxWalkDistance(options.getMaxWalkDistance());
options.setWalkReluctance(options.getWalkReluctance() * 2);
walkOptions.setWalkReluctance(options.getWalkReluctance());
}
search.reset(options);
} while (options.getMaxWalkDistance() < initialWalk * MAX_WALK_MULTIPLE
&& initialWalk < Double.MAX_VALUE);
options = options.clone();
walkOptions = walkOptions.clone();
for (RaptorState state : search.getTargetStates()) {
for (AgencyAndId trip : state.getTrips()) {
options.bannedTrips.add(trip);
}
}
if (search.getTargetStates().size() == 0) break; // no paths found; searching more won't help
options.setMaxWalkDistance(firstWalkDistance);
walkOptions.setMaxWalkDistance(firstWalkDistance);
targetStates.addAll(search.getTargetStates());
search = new RaptorSearch(data, options);
} while (targetStates.size() < options.getNumItineraries());
collectRoutesUsed(data, options, targetStates);
if (targetStates.isEmpty()) {
log.info("RAPTOR found no paths");
}
Collections.sort(targetStates);
if (targetStates.size() > options.getNumItineraries())
targetStates = targetStates.subList(0, options.getNumItineraries());
List<GraphPath> paths = new ArrayList<GraphPath>();
for (RaptorState targetState : targetStates) {
// reconstruct path
ArrayList<RaptorState> states = new ArrayList<RaptorState>();
RaptorState cur = targetState;
while (cur != null) {
states.add(cur);
cur = cur.getParent();
}
// states is in reverse order of time
State state = getState(targetState.getRequest(), data, states);
paths.add(new GraphPath(state, true));
}
return paths;
}
/**
* Generate an itinerary from a @{link GraphPath}. The algorithm here is to walk over each state
* in the graph path, accumulating geometry, time, and length data from the incoming edge. When
* the incoming edge and outgoing edge have different modes (or when a vehicle changes names due
* to interlining) a new leg is generated. Street legs undergo an additional processing step to
* generate turn-by-turn directions.
*
* @param path
* @param showIntermediateStops whether intermediate stops are included in the generated itinerary
* @return itinerary
*/
private Itinerary generateItinerary(GraphPath path, boolean showIntermediateStops) {
Graph graph = path.getRoutingContext().graph;
TransitIndexService transitIndex = graph.getService(TransitIndexService.class);
Itinerary itinerary = makeEmptyItinerary(path);
EdgeNarrative postponedAlerts = null;
Leg leg = null;
CoordinateArrayListSequence coordinates = new CoordinateArrayListSequence();
double previousElevation = Double.MAX_VALUE;
int startWalk = -1;
int i = -1;
PlanGenState pgstate = PlanGenState.START;
String nextName = null;
for (State state : path.states) {
i += 1;
Edge backEdge = state.getBackEdge();
EdgeNarrative backEdgeNarrative = state.getBackEdgeNarrative();
if (backEdge == null) {
continue;
}
TraverseMode mode = backEdgeNarrative.getMode();
if (mode != null) {
long dt = state.getAbsTimeDeltaSec();
if (mode == TraverseMode.BOARDING
|| mode == TraverseMode.ALIGHTING
|| mode == TraverseMode.STL) {
itinerary.waitingTime += dt;
} else if (mode.isOnStreetNonTransit()) {
itinerary.walkDistance += backEdgeNarrative.getDistance();
itinerary.walkTime += dt;
} else if (mode.isTransit()) {
itinerary.transitTime += dt;
}
}
if (backEdge instanceof FreeEdge) {
if (backEdge instanceof PreBoardEdge) {
// Add boarding alerts to the next leg
postponedAlerts = backEdgeNarrative;
} else if (backEdge instanceof PreAlightEdge) {
// Add alighting alerts to the previous leg
addNotesToLeg(itinerary.legs.get(itinerary.legs.size() - 1), backEdgeNarrative);
}
continue;
}
if (backEdge instanceof EdgeWithElevation) {
PackedCoordinateSequence profile = ((EdgeWithElevation) backEdge).getElevationProfile();
previousElevation = applyElevation(profile, itinerary, previousElevation);
}
switch (pgstate) {
case START:
if (mode == TraverseMode.WALK) {
pgstate = PlanGenState.WALK;
leg = makeLeg(itinerary, state);
leg.from.orig = nextName;
startWalk = i;
} else if (mode == TraverseMode.BICYCLE) {
pgstate = PlanGenState.BICYCLE;
leg = makeLeg(itinerary, state);
leg.from.orig = nextName;
startWalk = i;
} else if (mode == TraverseMode.CAR) {
pgstate = PlanGenState.CAR;
leg = makeLeg(itinerary, state);
leg.from.orig = nextName;
startWalk = i;
} else if (mode == TraverseMode.BOARDING) {
// this itinerary starts with transit
pgstate = PlanGenState.PRETRANSIT;
leg = makeLeg(itinerary, state);
leg.from.orig = nextName;
startWalk = -1;
} else if (mode == TraverseMode.STL) {
// this comes after an alight; do nothing
} else if (mode == TraverseMode.TRANSFER) {
// handle the whole thing in one step
leg = makeLeg(itinerary, state);
coordinates = new CoordinateArrayListSequence();
coordinates.add(state.getBackState().getVertex().getCoordinate());
coordinates.add(state.getVertex().getCoordinate());
finalizeLeg(leg, state, path.states, i, i, coordinates);
coordinates.clear();
} else {
LOG.error("Unexpected state (in START): " + mode);
}
break;
case WALK:
if (leg == null) {
leg = makeLeg(itinerary, state);
}
if (mode == TraverseMode.WALK) {
// do nothing
} else if (mode == TraverseMode.BICYCLE) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates);
startWalk = i;
leg = makeLeg(itinerary, state);
if (backEdge instanceof RentABikeOnEdge) {
leg.rentedBike = true;
}
pgstate = PlanGenState.BICYCLE;
} else if (mode == TraverseMode.STL) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates);
leg = null;
pgstate = PlanGenState.PRETRANSIT;
} else if (mode == TraverseMode.BOARDING) {
// this only happens in case of a timed transfer.
pgstate = PlanGenState.PRETRANSIT;
finalizeLeg(leg, state, path.states, startWalk, i, coordinates);
leg = makeLeg(itinerary, state);
itinerary.transfers++;
} else if (backEdgeNarrative instanceof LegSwitchingEdge) {
nextName = state.getBackState().getBackState().getBackState().getVertex().getName();
finalizeLeg(leg, state, path.states, startWalk, i - 1, coordinates);
leg = null;
pgstate = PlanGenState.START;
} else {
LOG.error("Unexpected state (in WALK): " + mode);
}
break;
case BICYCLE:
if (leg == null) {
leg = makeLeg(itinerary, state);
}
if (mode == TraverseMode.BICYCLE) {
// do nothing
} else if (mode == TraverseMode.WALK) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates);
leg = makeLeg(itinerary, state);
startWalk = i;
pgstate = PlanGenState.WALK;
} else if (mode == TraverseMode.STL) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates);
leg = null;
pgstate = PlanGenState.PRETRANSIT;
} else if (backEdgeNarrative instanceof LegSwitchingEdge) {
finalizeLeg(leg, state, path.states, startWalk, i - 1, coordinates);
leg = null;
pgstate = PlanGenState.START;
} else {
LOG.error("Unexpected state (in BICYCLE): " + mode);
}
break;
case CAR:
if (leg == null) {
leg = makeLeg(itinerary, state);
}
if (mode == TraverseMode.CAR) {
// do nothing
} else if (mode == TraverseMode.STL) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates);
leg = null;
pgstate = PlanGenState.PRETRANSIT;
} else if (backEdgeNarrative instanceof LegSwitchingEdge) {
finalizeLeg(leg, state, path.states, startWalk, i - 1, coordinates);
leg = null;
pgstate = PlanGenState.START;
} else {
LOG.error("Unexpected state (in CAR): " + mode);
}
break;
case PRETRANSIT:
if (mode == TraverseMode.BOARDING) {
if (leg != null) {
LOG.error("leg unexpectedly not null (boarding loop)");
} else {
leg = makeLeg(itinerary, state);
leg.stop = new ArrayList<Place>();
itinerary.transfers++;
leg.boardRule = (String) state.getExtension("boardAlightRule");
}
} else if (backEdge instanceof HopEdge) {
pgstate = PlanGenState.TRANSIT;
fixupTransitLeg(leg, state, transitIndex);
leg.stop = new ArrayList<Place>();
} else {
LOG.error("Unexpected state (in PRETRANSIT): " + mode);
}
break;
case TRANSIT:
String route = backEdgeNarrative.getName();
if (mode == TraverseMode.ALIGHTING) {
if (showIntermediateStops && leg.stop != null && leg.stop.size() > 0) {
if (leg.stop.isEmpty()) {
leg.stop = null;
}
}
leg.alightRule = (String) state.getExtension("boardAlightRule");
finalizeLeg(leg, state, null, -1, -1, coordinates);
leg = null;
pgstate = PlanGenState.START;
} else if (mode.toString().equals(leg.mode)) {
// no mode change, handle intermediate stops
if (showIntermediateStops) {
/*
* any further transit edge, add "from" vertex to intermediate stops
*/
if (!(backEdge instanceof DwellEdge)) {
Place stop = makePlace(state.getBackState(), true);
leg.stop.add(stop);
} else if (leg.stop.size() > 0) {
leg.stop.get(leg.stop.size() - 1).departure = makeCalendar(state);
}
}
if (!route.equals(leg.route)) {
// interline dwell
finalizeLeg(leg, state, null, -1, -1, coordinates);
leg = makeLeg(itinerary, state);
leg.stop = new ArrayList<Place>();
fixupTransitLeg(leg, state, transitIndex);
leg.startTime = makeCalendar(state);
leg.interlineWithPreviousLeg = true;
}
} else {
LOG.error("Unexpected state (in TRANSIT): " + mode);
}
break;
}
if (leg != null) {
leg.distance += backEdgeNarrative.getDistance();
Geometry edgeGeometry = backEdgeNarrative.getGeometry();
if (edgeGeometry != null) {
Coordinate[] edgeCoordinates = edgeGeometry.getCoordinates();
if (coordinates.size() > 0
&& coordinates.getCoordinate(coordinates.size() - 1).equals(edgeCoordinates[0])) {
coordinates.extend(edgeCoordinates, 1);
} else {
coordinates.extend(edgeCoordinates);
}
}
if (postponedAlerts != null) {
addNotesToLeg(leg, postponedAlerts);
postponedAlerts = null;
}
addNotesToLeg(leg, backEdgeNarrative);
}
} /* end loop over graphPath edge list */
if (leg != null) {
finalizeLeg(leg, path.states.getLast(), path.states, startWalk, i, coordinates);
}
itinerary.removeBogusLegs();
itinerary.fixupDates(graph.getService(CalendarServiceData.class));
if (itinerary.legs.size() == 0) throw new TrivialPathException();
return itinerary;
}
/**
* Generate an itinerary from a @{link GraphPath}. The algorithm here is to walk over each state
* in the graph path, accumulating geometry, time, and length data from the incoming edge. When
* the incoming edge and outgoing edge have different modes (or when a vehicle changes names due
* to interlining) a new leg is generated. Street legs undergo an additional processing step to
* generate turn-by-turn directions.
*
* @param path
* @param showIntermediateStops whether intermediate stops are included in the generated itinerary
* @return itinerary
*/
private Itinerary generateItinerary(GraphPath path, boolean showIntermediateStops) {
Graph graph = path.getRoutingContext().graph;
TransitIndexService transitIndex = graph.getService(TransitIndexService.class);
Itinerary itinerary = makeEmptyItinerary(path);
Set<Alert> postponedAlerts = null;
Leg leg = null;
CoordinateArrayListSequence coordinates = new CoordinateArrayListSequence();
double previousElevation = Double.MAX_VALUE;
int startWalk = -1;
int i = -1;
boolean foldingElevatorLegIntoCycleLeg = false;
PlanGenState pgstate = PlanGenState.START;
String nextName = null;
for (State state : path.states) {
i += 1;
Edge backEdge = state.getBackEdge();
if (backEdge == null) {
continue;
}
// debug: push vehicle late status out to UI
// if (backEdge instanceof PatternHop) {
// TripTimes tt = state.getTripTimes();
// int hop = ((PatternHop)backEdge).stopIndex;
// LOG.info("{} {}", tt.getTrip().toString(), hop);
// if ( ! tt.isScheduled()) {
// int delay = tt.getDepartureDelay(hop);
// String d = "on time";
// if (Math.abs(delay) > 10) {
// d = String.format("%2.1f min %s", delay / 60.0,
// (delay < 0) ? "early" : "late");
// }
// d = "Using real-time delay information: ".concat(d);
// leg.addAlert(Alert.createSimpleAlerts(d));
// LOG.info(d);
// }
// else {
// leg.addAlert(Alert.createSimpleAlerts("Using published timetables."));
// LOG.info("sched");
// }
// }
TraverseMode mode = state.getBackMode();
if (mode != null) {
long dt = state.getAbsTimeDeltaSec();
if (mode == TraverseMode.BOARDING
|| mode == TraverseMode.ALIGHTING
|| mode == TraverseMode.STL) {
itinerary.waitingTime += dt;
} else if (mode.isOnStreetNonTransit()) {
itinerary.walkDistance += backEdge.getDistance();
itinerary.walkTime += dt;
} else if (mode.isTransit()) {
itinerary.transitTime += dt;
}
}
if (backEdge instanceof FreeEdge) {
if (backEdge instanceof PreBoardEdge) {
// Add boarding alerts to the next leg
postponedAlerts = state.getBackAlerts();
} else if (backEdge instanceof PreAlightEdge) {
// Add alighting alerts to the previous leg
addNotesToLeg(itinerary.legs.get(itinerary.legs.size() - 1), state.getBackAlerts());
}
continue;
}
if (backEdge instanceof EdgeWithElevation) {
PackedCoordinateSequence profile = ((EdgeWithElevation) backEdge).getElevationProfile();
previousElevation = applyElevation(profile, itinerary, previousElevation);
}
switch (pgstate) {
case START:
if (mode == TraverseMode.WALK) {
pgstate = PlanGenState.WALK;
leg = makeLeg(itinerary, state);
leg.from.orig = nextName;
startWalk = i;
} else if (mode == TraverseMode.BICYCLE) {
pgstate = PlanGenState.BICYCLE;
leg = makeLeg(itinerary, state);
leg.from.orig = nextName;
startWalk = i;
} else if (mode == TraverseMode.CAR) {
pgstate = PlanGenState.CAR;
leg = makeLeg(itinerary, state);
leg.from.orig = nextName;
startWalk = i;
} else if (mode == TraverseMode.BOARDING) {
// this itinerary starts with transit
pgstate = PlanGenState.PRETRANSIT;
leg = makeLeg(itinerary, state);
leg.from.orig = nextName;
itinerary.transfers++;
startWalk = -1;
} else if (mode == TraverseMode.STL) {
// this comes after an alight; do nothing
} else if (mode == TraverseMode.TRANSFER) {
// handle the whole thing in one step
leg = makeLeg(itinerary, state);
coordinates = new CoordinateArrayListSequence();
coordinates.add(state.getBackState().getVertex().getCoordinate());
coordinates.add(state.getVertex().getCoordinate());
finalizeLeg(leg, state, path.states, i, i, coordinates, itinerary);
coordinates.clear();
} else {
LOG.error("Unexpected state (in START): " + mode);
}
break;
case WALK:
if (leg == null) {
leg = makeLeg(itinerary, state);
}
if (mode == TraverseMode.WALK) {
// do nothing
} else if (mode == TraverseMode.BICYCLE) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates, itinerary);
startWalk = i;
leg = makeLeg(itinerary, state);
pgstate = PlanGenState.BICYCLE;
} else if (mode == TraverseMode.STL) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates, itinerary);
leg = null;
pgstate = PlanGenState.PRETRANSIT;
} else if (mode == TraverseMode.BOARDING) {
// this only happens in case of a timed transfer.
pgstate = PlanGenState.PRETRANSIT;
finalizeLeg(leg, state, path.states, startWalk, i, coordinates, itinerary);
leg = makeLeg(itinerary, state);
itinerary.transfers++;
} else if (backEdge instanceof LegSwitchingEdge) {
nextName = state.getBackState().getBackState().getBackState().getVertex().getName();
finalizeLeg(leg, state, path.states, startWalk, i - 1, coordinates, itinerary);
leg = null;
pgstate = PlanGenState.START;
} else {
LOG.error("Unexpected state (in WALK): " + mode);
}
break;
case BICYCLE:
if (leg == null) {
leg = makeLeg(itinerary, state);
}
// If there are elevator edges that have mode == BICYCLE on both sides, they should
// be folded into the bicycle leg. But ones with walk on one side or the other should
// not
if (state.getBackEdge() instanceof ElevatorBoardEdge) {
int j = i + 1;
// proceed forward from the current state until we find one that isn't on an
// elevator, and check the traverse mode
while (path.states.get(j).getBackEdge() instanceof ElevatorEdge) j++;
// path.states[j] is not an elevator edge
if (path.states.get(j).getBackMode() == TraverseMode.BICYCLE)
foldingElevatorLegIntoCycleLeg = true;
}
if (foldingElevatorLegIntoCycleLeg) {
if (state.getBackEdge() instanceof ElevatorEdge) {
break; // from the case
} else {
foldingElevatorLegIntoCycleLeg = false;
// do not break but allow it to be processed below (which will do nothing)
}
}
if (mode == TraverseMode.BICYCLE) {
// do nothing
} else if (mode == TraverseMode.WALK) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates, itinerary);
leg = makeLeg(itinerary, state);
startWalk = i;
pgstate = PlanGenState.WALK;
} else if (mode == TraverseMode.STL) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates, itinerary);
startWalk = i;
leg = null;
pgstate = PlanGenState.PRETRANSIT;
} else if (backEdge instanceof LegSwitchingEdge) {
finalizeLeg(leg, state, path.states, startWalk, i - 1, coordinates, itinerary);
leg = null;
pgstate = PlanGenState.START;
} else {
LOG.error("Unexpected state (in BICYCLE): " + mode);
}
break;
case CAR:
if (leg == null) {
leg = makeLeg(itinerary, state);
}
if (mode == TraverseMode.CAR) {
// do nothing
} else if (mode == TraverseMode.STL) {
finalizeLeg(leg, state, path.states, startWalk, i, coordinates, itinerary);
leg = null;
pgstate = PlanGenState.PRETRANSIT;
} else if (backEdge instanceof LegSwitchingEdge) {
finalizeLeg(leg, state, path.states, startWalk, i - 1, coordinates, itinerary);
leg = null;
pgstate = PlanGenState.START;
} else {
LOG.error("Unexpected state (in CAR): " + mode);
}
break;
case PRETRANSIT:
if (mode == TraverseMode.BOARDING) {
if (leg != null) {
LOG.error("leg unexpectedly not null (boarding loop)");
} else {
leg = makeLeg(itinerary, state);
leg.from.stopIndex = ((OnBoardForwardEdge) backEdge).getStopIndex();
leg.stop = new ArrayList<Place>();
itinerary.transfers++;
leg.boardRule = (String) state.getExtension("boardAlightRule");
}
} else if (backEdge instanceof HopEdge) {
pgstate = PlanGenState.TRANSIT;
fixupTransitLeg(leg, state, transitIndex);
leg.stop = new ArrayList<Place>();
} else {
LOG.error("Unexpected state (in PRETRANSIT): " + mode);
}
break;
case TRANSIT:
String route = backEdge.getName();
if (mode == TraverseMode.ALIGHTING) {
if (showIntermediateStops && leg.stop != null && leg.stop.size() > 0) {
if (leg.stop.isEmpty()) {
leg.stop = null;
}
}
leg.alightRule = (String) state.getExtension("boardAlightRule");
finalizeLeg(leg, state, null, -1, -1, coordinates, itinerary);
leg = null;
pgstate = PlanGenState.START;
} else if (mode.toString().equals(leg.mode)) {
// no mode change, handle intermediate stops
if (showIntermediateStops) {
/*
* any further transit edge, add "from" vertex to intermediate stops
*/
if (!(backEdge instanceof DwellEdge)) {
Place stop =
makePlace(
state.getBackState(), state.getBackState().getVertex().getName(), true);
leg.stop.add(stop);
} else if (leg.stop.size() > 0) {
leg.stop.get(leg.stop.size() - 1).departure = makeCalendar(state);
}
}
if (!route.equals(leg.route)) {
// interline dwell
finalizeLeg(leg, state, null, -1, -1, coordinates, itinerary);
leg = makeLeg(itinerary, state);
leg.stop = new ArrayList<Place>();
fixupTransitLeg(leg, state, transitIndex);
leg.startTime = makeCalendar(state);
leg.interlineWithPreviousLeg = true;
}
} else {
LOG.error("Unexpected state (in TRANSIT): " + mode);
}
break;
}
if (leg != null) {
leg.distance += backEdge.getDistance();
Geometry edgeGeometry = backEdge.getGeometry();
if (edgeGeometry != null) {
Coordinate[] edgeCoordinates = edgeGeometry.getCoordinates();
if (coordinates.size() > 0
&& coordinates.getCoordinate(coordinates.size() - 1).equals(edgeCoordinates[0])) {
coordinates.extend(edgeCoordinates, 1);
} else {
coordinates.extend(edgeCoordinates);
}
}
if (postponedAlerts != null) {
addNotesToLeg(leg, postponedAlerts);
postponedAlerts = null;
}
addNotesToLeg(leg, state.getBackAlerts());
}
} /* end loop over graphPath edge list */
if (leg != null) {
finalizeLeg(leg, path.states.getLast(), path.states, startWalk, i, coordinates, itinerary);
}
itinerary.removeBogusLegs();
itinerary.fixupDates(graph.getService(CalendarServiceData.class));
if (itinerary.legs.size() == 0) throw new TrivialPathException();
return itinerary;
}
