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The OpenTripPlanner multimodal journey planning system
package org.opentripplanner.graph_builder.module;
import com.google.common.collect.Sets;
import org.onebusaway.csv_entities.EntityHandler;
import org.onebusaway.gtfs.impl.GtfsRelationalDaoImpl;
import org.onebusaway.gtfs.model.Agency;
import org.onebusaway.gtfs.model.FareAttribute;
import org.onebusaway.gtfs.model.IdentityBean;
import org.onebusaway.gtfs.model.Pathway;
import org.onebusaway.gtfs.model.Route;
import org.onebusaway.gtfs.model.ServiceCalendar;
import org.onebusaway.gtfs.model.ServiceCalendarDate;
import org.onebusaway.gtfs.model.ShapePoint;
import org.onebusaway.gtfs.model.Stop;
import org.onebusaway.gtfs.model.Trip;
import org.onebusaway.gtfs.serialization.GtfsReader;
import org.onebusaway.gtfs.services.GenericMutableDao;
import org.onebusaway.gtfs.services.GtfsMutableRelationalDao;
import org.opentripplanner.ext.flex.FlexTripsMapper;
import org.opentripplanner.graph_builder.DataImportIssueStore;
import org.opentripplanner.graph_builder.model.GtfsBundle;
import org.opentripplanner.graph_builder.module.geometry.GeometryAndBlockProcessor;
import org.opentripplanner.graph_builder.services.GraphBuilderModule;
import org.opentripplanner.gtfs.GenerateTripPatternsOperation;
import org.opentripplanner.gtfs.RepairStopTimesForEachTripOperation;
import org.opentripplanner.model.BikeAccess;
import org.opentripplanner.model.FeedScopedId;
import org.opentripplanner.model.OtpTransitService;
import org.opentripplanner.model.TripStopTimes;
import org.opentripplanner.model.calendar.CalendarServiceData;
import org.opentripplanner.model.calendar.ServiceDateInterval;
import org.opentripplanner.model.impl.OtpTransitServiceBuilder;
import org.opentripplanner.routing.graph.Graph;
import org.opentripplanner.routing.services.FareServiceFactory;
import org.opentripplanner.standalone.config.BuildConfig;
import org.opentripplanner.util.OTPFeature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.awt.*;
import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import static org.opentripplanner.gtfs.mapping.GTFSToOtpTransitServiceMapper.mapGtfsDaoToInternalTransitServiceBuilder;
public class GtfsModule implements GraphBuilderModule {
private static final Logger LOG = LoggerFactory.getLogger(GtfsModule.class);
private DataImportIssueStore issueStore;
private EntityHandler counter = new EntityCounter();
private FareServiceFactory fareServiceFactory;
/** will be applied to all bundles which do not have the cacheDirectory property set */
private File cacheDirectory;
/** will be applied to all bundles which do not have the useCached property set */
private Boolean useCached;
private Set agencyIdsSeen = Sets.newHashSet();
private int nextAgencyId = 1; // used for generating agency IDs to resolve ID conflicts
/**
* @see BuildConfig#transitServiceStart
* @see BuildConfig#transitServiceEnd
*/
private final ServiceDateInterval transitPeriodLimit;
private List gtfsBundles;
public GtfsModule(List bundles, ServiceDateInterval transitPeriodLimit) {
this.gtfsBundles = bundles;
this.transitPeriodLimit = transitPeriodLimit;
}
public List provides() {
List result = new ArrayList();
result.add("transit");
return result;
}
public List getPrerequisites() {
return Collections.emptyList();
}
public void setFareServiceFactory(FareServiceFactory factory) {
fareServiceFactory = factory;
}
@Override
public void buildGraph(
Graph graph,
HashMap, Object> extra,
DataImportIssueStore issueStore
) {
this.issueStore = issueStore;
// we're about to add another agency to the graph, so clear the cached timezone
// in case it should change
// OTP doesn't currently support multiple time zones in a single graph;
// at least this way we catch the error and log it instead of silently ignoring
// because the time zone from the first agency is cached
graph.clearTimeZone();
CalendarServiceData calendarServiceData = new CalendarServiceData();
try {
for (GtfsBundle gtfsBundle : gtfsBundles) {
// apply global defaults to individual GTFSBundles (if globals have been set)
if (cacheDirectory != null && gtfsBundle.cacheDirectory == null) {
gtfsBundle.cacheDirectory = cacheDirectory;
}
if (useCached != null && gtfsBundle.useCached == null) {
gtfsBundle.useCached = useCached;
}
OtpTransitServiceBuilder builder = mapGtfsDaoToInternalTransitServiceBuilder(
loadBundle(gtfsBundle),
gtfsBundle.getFeedId().getId(),
issueStore
);
builder.limitServiceDays(transitPeriodLimit);
calendarServiceData.add(builder.buildCalendarServiceData());
// NB! The calls below have side effects - the builder state is updated!
if (OTPFeature.FlexRouting.isOn()) {
FlexTripsMapper.createFlexTrips(builder);
}
repairStopTimesForEachTrip(builder.getStopTimesSortedByTrip());
// NB! The calls below have side effects - the builder state is updated!
createTripPatterns(graph, builder, calendarServiceData.getServiceIds());
OtpTransitService transitModel = builder.build();
addTransitModelToGraph(graph, gtfsBundle, transitModel);
createGeometryAndBlockProcessor(gtfsBundle, transitModel).run(graph, issueStore);
}
} catch (IOException e) {
throw new RuntimeException(e);
}
finally {
// Note the close method of each bundle should NOT throw an exception, so this
// code should be safe without the try/catch block.
gtfsBundles.forEach(GtfsBundle::close);
}
// We need to save the calendar service data so we can use it later
graph.putService(
org.opentripplanner.model.calendar.CalendarServiceData.class,
calendarServiceData
);
graph.updateTransitFeedValidity(calendarServiceData, issueStore);
graph.hasTransit = true;
graph.calculateTransitCenter();
}
/* Private Methods */
/**
* This method have side-effects, the {@code stopTimesByTrip} is updated.
*/
private void repairStopTimesForEachTrip(TripStopTimes stopTimesByTrip) {
new RepairStopTimesForEachTripOperation(stopTimesByTrip, issueStore).run();
}
/**
* This method have side-effects, the {@code builder} is updated with new TripPatterns.
*/
private void createTripPatterns(Graph graph, OtpTransitServiceBuilder builder, Set calServiceIds) {
GenerateTripPatternsOperation buildTPOp = new GenerateTripPatternsOperation(
builder, this.issueStore, graph.deduplicator, calServiceIds
);
buildTPOp.run();
graph.hasFrequencyService = graph.hasFrequencyService || buildTPOp.hasFrequencyBasedTrips();
graph.hasScheduledService = graph.hasScheduledService || buildTPOp.hasScheduledTrips();
}
private void addTransitModelToGraph(Graph graph, GtfsBundle gtfsBundle, OtpTransitService transitModel) {
AddTransitModelEntitiesToGraph.addToGraph(
gtfsBundle.getFeedId(),
transitModel,
gtfsBundle.subwayAccessTime,
graph
);
}
private GeometryAndBlockProcessor createGeometryAndBlockProcessor (GtfsBundle gtfsBundle, OtpTransitService transitService) {
return new GeometryAndBlockProcessor(
transitService,
fareServiceFactory,
gtfsBundle.getMaxStopToShapeSnapDistance(),
gtfsBundle.maxInterlineDistance
);
}
private GtfsMutableRelationalDao loadBundle(GtfsBundle gtfsBundle)
throws IOException {
StoreImpl store = new StoreImpl(new GtfsRelationalDaoImpl());
store.open();
LOG.info("reading {}", gtfsBundle.toString());
GtfsFeedId gtfsFeedId = gtfsBundle.getFeedId();
GtfsReader reader = new GtfsReader();
reader.setInputSource(gtfsBundle.getCsvInputSource());
reader.setEntityStore(store);
reader.setInternStrings(true);
reader.setDefaultAgencyId(gtfsFeedId.getId());
if (LOG.isDebugEnabled())
reader.addEntityHandler(counter);
if (gtfsBundle.getDefaultBikesAllowed())
reader.addEntityHandler(new EntityBikeability(true));
for (Class entityClass : reader.getEntityClasses()) {
LOG.info("reading entities: " + entityClass.getName());
reader.readEntities(entityClass);
store.flush();
// NOTE that agencies are first in the list and read before all other entity types, so it is effective to
// set the agencyId here. Each feed ("bundle") is loaded by a separate reader, so there is no risk of
// agency mappings accumulating.
if (entityClass == Agency.class) {
for (Agency agency : reader.getAgencies()) {
String agencyId = agency.getId();
LOG.info("This Agency has the ID {}", agencyId);
// Somehow, when the agency's id field is missing, OBA replaces it with the agency's name.
// TODO Figure out how and why this is happening.
if (agencyId == null || agencyIdsSeen.contains(gtfsFeedId.getId() + agencyId)) {
// Loop in case generated name is already in use.
String generatedAgencyId = null;
while (generatedAgencyId == null || agencyIdsSeen.contains(generatedAgencyId)) {
generatedAgencyId = "F" + nextAgencyId;
nextAgencyId++;
}
LOG.warn("The agency ID '{}' was already seen, or I think it's bad. Replacing with '{}'.", agencyId, generatedAgencyId);
reader.addAgencyIdMapping(agencyId, generatedAgencyId); // NULL key should work
agency.setId(generatedAgencyId);
agencyId = generatedAgencyId;
}
if (agencyId != null) agencyIdsSeen.add(gtfsFeedId.getId() + agencyId);
}
}
}
for (ShapePoint shapePoint : store.getAllEntitiesForType(ShapePoint.class)) {
shapePoint.getShapeId().setAgencyId(reader.getDefaultAgencyId());
}
for (Route route : store.getAllEntitiesForType(Route.class)) {
route.getId().setAgencyId(reader.getDefaultAgencyId());
generateRouteColor(route);
}
for (Stop stop : store.getAllEntitiesForType(Stop.class)) {
stop.getId().setAgencyId(reader.getDefaultAgencyId());
}
for (Trip trip : store.getAllEntitiesForType(Trip.class)) {
trip.getId().setAgencyId(reader.getDefaultAgencyId());
}
for (ServiceCalendar serviceCalendar : store.getAllEntitiesForType(ServiceCalendar.class)) {
serviceCalendar.getServiceId().setAgencyId(reader.getDefaultAgencyId());
}
for (ServiceCalendarDate serviceCalendarDate : store.getAllEntitiesForType(ServiceCalendarDate.class)) {
serviceCalendarDate.getServiceId().setAgencyId(reader.getDefaultAgencyId());
}
for (FareAttribute fareAttribute : store.getAllEntitiesForType(FareAttribute.class)) {
fareAttribute.getId().setAgencyId(reader.getDefaultAgencyId());
}
for (Pathway pathway : store.getAllEntitiesForType(Pathway.class)) {
pathway.getId().setAgencyId(reader.getDefaultAgencyId());
}
store.close();
return store.dao;
}
/**
* Generates routeText colors for routes with routeColor and without routeTextColor
*
* If route doesn't have color or already has routeColor and routeTextColor nothing is done.
*
* textColor can be black or white. White for dark colors and black for light colors of routeColor.
* If color is light or dark is calculated based on luminance formula:
* sqrt( 0.299*Red^2 + 0.587*Green^2 + 0.114*Blue^2 )
*
* @param route
*/
private void generateRouteColor(Route route) {
String routeColor = route.getColor();
//No route color - skipping
if (routeColor == null) {
return;
}
String textColor = route.getTextColor();
//Route already has text color skipping
if (textColor != null) {
return;
}
Color routeColorColor = Color.decode("#"+routeColor);
//gets float of RED, GREEN, BLUE in range 0...1
float[] colorComponents = routeColorColor.getRGBColorComponents(null);
//Calculates luminance based on https://stackoverflow.com/questions/596216/formula-to-determine-brightness-of-rgb-color
double newRed = 0.299*Math.pow(colorComponents[0],2.0);
double newGreen = 0.587*Math.pow(colorComponents[1],2.0);
double newBlue = 0.114*Math.pow(colorComponents[2],2.0);
double luminance = Math.sqrt(newRed+newGreen+newBlue);
//For brighter colors use black text color and reverse for darker
if (luminance > 0.5) {
textColor = "000000";
} else {
textColor = "FFFFFF";
}
route.setTextColor(textColor);
}
private class StoreImpl implements GenericMutableDao {
private GtfsMutableRelationalDao dao;
StoreImpl(GtfsMutableRelationalDao dao) {
this.dao = dao;
}
@Override
public void open() {
dao.open();
}
@Override
public T getEntityForId(Class type, Serializable id) {
return dao.getEntityForId(type, id);
}
@Override
public void saveEntity(Object entity) {
dao.saveEntity(entity);
}
@Override
public void flush() {
dao.flush();
}
@Override
public void close() {
dao.close();
}
@Override
public void clearAllEntitiesForType(Class type) {
throw new UnsupportedOperationException();
}
@Override
public > void removeEntity(T entity) {
throw new UnsupportedOperationException();
}
@Override
public Collection getAllEntitiesForType(Class type) {
return dao.getAllEntitiesForType(type);
}
@Override
public void saveOrUpdateEntity(Object entity) {
throw new UnsupportedOperationException();
}
@Override
public void updateEntity(Object entity) {
throw new UnsupportedOperationException();
}
}
private static class EntityCounter implements EntityHandler {
private Map, Integer> _count = new HashMap, Integer>();
@Override
public void handleEntity(Object bean) {
int count = incrementCount(bean.getClass());
if (count % 1000000 == 0)
if (LOG.isDebugEnabled()) {
String name = bean.getClass().getName();
int index = name.lastIndexOf('.');
if (index != -1)
name = name.substring(index + 1);
LOG.debug("loading " + name + ": " + count);
}
}
private int incrementCount(Class entityType) {
Integer value = _count.get(entityType);
if (value == null)
value = 0;
value++;
_count.put(entityType, value);
return value;
}
}
private static class EntityBikeability implements EntityHandler {
private Boolean defaultBikesAllowed;
public EntityBikeability(Boolean defaultBikesAllowed) {
this.defaultBikesAllowed = defaultBikesAllowed;
}
@Override
public void handleEntity(Object bean) {
if (!(bean instanceof Trip)) {
return;
}
Trip trip = (Trip) bean;
if (defaultBikesAllowed && BikeAccess.fromTrip(trip) == BikeAccess.UNKNOWN) {
BikeAccess.setForTrip(trip, BikeAccess.ALLOWED);
}
}
}
@Override
public void checkInputs() {
for (GtfsBundle bundle : gtfsBundles) {
bundle.checkInputs();
}
}
}
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