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| 1 | +package org.matsim.application.analysis.pt; |
| 2 | + |
| 3 | +import it.unimi.dsi.fastutil.ints.Int2ObjectAVLTreeMap; |
| 4 | +import it.unimi.dsi.fastutil.ints.Int2ObjectMap; |
| 5 | +import it.unimi.dsi.fastutil.ints.IntOpenHashSet; |
| 6 | +import it.unimi.dsi.fastutil.ints.IntSet; |
| 7 | +import it.unimi.dsi.fastutil.objects.Object2IntAVLTreeMap; |
| 8 | +import it.unimi.dsi.fastutil.objects.Object2IntMap; |
| 9 | +import org.matsim.api.core.v01.Id; |
| 10 | +import org.matsim.api.core.v01.events.ActivityEndEvent; |
| 11 | +import org.matsim.api.core.v01.events.PersonEntersVehicleEvent; |
| 12 | +import org.matsim.api.core.v01.events.TransitDriverStartsEvent; |
| 13 | +import org.matsim.api.core.v01.events.handler.ActivityEndEventHandler; |
| 14 | +import org.matsim.api.core.v01.events.handler.PersonEntersVehicleEventHandler; |
| 15 | +import org.matsim.api.core.v01.events.handler.TransitDriverStartsEventHandler; |
| 16 | +import org.matsim.core.router.TripStructureUtils; |
| 17 | +import org.matsim.pt.transitSchedule.api.TransitLine; |
| 18 | +import org.matsim.pt.transitSchedule.api.TransitSchedule; |
| 19 | +import org.matsim.vehicles.Vehicle; |
| 20 | +import org.matsim.vehicles.VehicleType; |
| 21 | +import org.matsim.vehicles.Vehicles; |
| 22 | + |
| 23 | +import java.util.HashMap; |
| 24 | +import java.util.Map; |
| 25 | + |
| 26 | +/** |
| 27 | + * Event handler to count the number of passengers using public transport services differentiated by vehicle type. |
| 28 | + * Passenger will be counted once per vehicle type per trip. |
| 29 | + */ |
| 30 | +public class PtPassengerCountsEventHandler implements PersonEntersVehicleEventHandler, TransitDriverStartsEventHandler, ActivityEndEventHandler { |
| 31 | + |
| 32 | + private final TransitSchedule schedule; |
| 33 | + private final Vehicles vehicles; |
| 34 | + |
| 35 | + /** |
| 36 | + * All driver ids. |
| 37 | + */ |
| 38 | + private final IntSet drivers = new IntOpenHashSet(); |
| 39 | + |
| 40 | + /** |
| 41 | + * Store which passengers have been counted for each vehicle type. |
| 42 | + */ |
| 43 | + private final Map<Id<VehicleType>, IntSet> byVehicle = new HashMap<>(); |
| 44 | + |
| 45 | + /** |
| 46 | + * Store mapping of vehicle to agency. |
| 47 | + */ |
| 48 | + private final Map<Id<Vehicle>, String> vehicleToAgency = new HashMap<>(); |
| 49 | + |
| 50 | + /** |
| 51 | + * Counts per vehicle type and hour. |
| 52 | + */ |
| 53 | + private final Int2ObjectMap<Object2IntMap<Id<VehicleType>>> counts = new Int2ObjectAVLTreeMap<>(); |
| 54 | + |
| 55 | + /** |
| 56 | + * Counts per vehicle type and hour. |
| 57 | + */ |
| 58 | + private final Int2ObjectMap<Object2IntMap<AgencyVehicleType>> agencyCounts = new Int2ObjectAVLTreeMap<>(); |
| 59 | + |
| 60 | + public PtPassengerCountsEventHandler(TransitSchedule schedule, Vehicles vehicles) { |
| 61 | + this.schedule = schedule; |
| 62 | + this.vehicles = vehicles; |
| 63 | + } |
| 64 | + |
| 65 | + /** |
| 66 | + * Map containing the counts of passengers per vehicle type. |
| 67 | + */ |
| 68 | + public Int2ObjectMap<Object2IntMap<Id<VehicleType>>> getCounts() { |
| 69 | + return counts; |
| 70 | + } |
| 71 | + |
| 72 | + /** |
| 73 | + * Map containing the counts of passengers per agency and vehicle type. |
| 74 | + * May be empty if the agency attribute is not used. |
| 75 | + */ |
| 76 | + public Int2ObjectMap<Object2IntMap<AgencyVehicleType>> getAgencyCounts() { |
| 77 | + return agencyCounts; |
| 78 | + } |
| 79 | + |
| 80 | + @Override |
| 81 | + public void handleEvent(TransitDriverStartsEvent event) { |
| 82 | + drivers.add(event.getDriverId().index()); |
| 83 | + |
| 84 | + TransitLine line = schedule.getTransitLines().get(event.getTransitLineId()); |
| 85 | + if (line != null) { |
| 86 | + Object gtfsAgencyId = line.getAttributes().getAttribute("gtfs_agency_id"); |
| 87 | + if (gtfsAgencyId != null) |
| 88 | + vehicleToAgency.put(event.getVehicleId(), gtfsAgencyId.toString()); |
| 89 | + } |
| 90 | + } |
| 91 | + |
| 92 | + @Override |
| 93 | + public void handleEvent(PersonEntersVehicleEvent event) { |
| 94 | + |
| 95 | + Id<Vehicle> vehicleId = event.getVehicleId(); |
| 96 | + Vehicle vehicle = vehicles.getVehicles().get(vehicleId); |
| 97 | + |
| 98 | + if (vehicle == null) |
| 99 | + return; |
| 100 | + |
| 101 | + // Don't count drivers as passengers |
| 102 | + if (drivers.contains(event.getPersonId().index())) |
| 103 | + return; |
| 104 | + |
| 105 | + VehicleType vehicleType = vehicle.getType(); |
| 106 | + Id<VehicleType> id = vehicleType.getId(); |
| 107 | + |
| 108 | + IntSet counted = byVehicle.computeIfAbsent(id, k -> new IntOpenHashSet()); |
| 109 | + |
| 110 | + // Count passenger only once per vehicle type per trip |
| 111 | + if (!counted.contains(event.getPersonId().index())) { |
| 112 | + counted.add(event.getPersonId().index()); |
| 113 | + |
| 114 | + int hour = (int) (event.getTime() / 3600); |
| 115 | + |
| 116 | + counts.computeIfAbsent(hour, k -> new Object2IntAVLTreeMap<>()).merge(id, 1, Integer::sum); |
| 117 | + |
| 118 | + String agency = vehicleToAgency.get(vehicleId); |
| 119 | + if (agency != null) { |
| 120 | + agencyCounts.computeIfAbsent(hour, k -> new Object2IntAVLTreeMap<>()).merge(new AgencyVehicleType(agency, id), 1, Integer::sum); |
| 121 | + } |
| 122 | + } |
| 123 | + } |
| 124 | + |
| 125 | + @Override |
| 126 | + public void handleEvent(ActivityEndEvent event) { |
| 127 | + |
| 128 | + if (TripStructureUtils.isStageActivityType(event.getActType())) |
| 129 | + return; |
| 130 | + |
| 131 | + // When trip is finished, a passenger can be counted again. |
| 132 | + byVehicle.values().forEach(p -> p.remove(event.getPersonId().index())); |
| 133 | + } |
| 134 | + |
| 135 | + @Override |
| 136 | + public void reset(int iteration) { |
| 137 | + byVehicle.clear(); |
| 138 | + counts.clear(); |
| 139 | + agencyCounts.clear(); |
| 140 | + drivers.clear(); |
| 141 | + } |
| 142 | + |
| 143 | + |
| 144 | + public record AgencyVehicleType(String agency, Id<VehicleType> vehicleType) implements Comparable<AgencyVehicleType> { |
| 145 | + |
| 146 | + @Override |
| 147 | + public int compareTo(AgencyVehicleType o) { |
| 148 | + int cmp = agency.compareTo(o.agency); |
| 149 | + if (cmp == 0) |
| 150 | + cmp = vehicleType.compareTo(o.vehicleType); |
| 151 | + return cmp; |
| 152 | + } |
| 153 | + } |
| 154 | +} |
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