org.opentripplanner.transit.raptor.rangeraptor.standard.stoparrivals.StdStopArrivalsState Maven / Gradle / Ivy

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The OpenTripPlanner multimodal journey planning system

There is a newer version: 2.5.0

package org.opentripplanner.transit.raptor.rangeraptor.standard.stoparrivals;


import java.util.Collection;
import org.opentripplanner.transit.raptor.api.path.Path;
import org.opentripplanner.transit.raptor.api.transit.RaptorTransfer;
import org.opentripplanner.transit.raptor.api.transit.RaptorTripSchedule;
import org.opentripplanner.transit.raptor.api.transit.TransitArrival;
import org.opentripplanner.transit.raptor.rangeraptor.path.DestinationArrivalPaths;
import org.opentripplanner.transit.raptor.rangeraptor.standard.StopArrivalsState;


/**
 * Tracks the state necessary to construct paths at the end of each iteration.
 * 
 * This class find the pareto optimal paths with respect to: rounds, arrival time and total travel time.
 *
 * @param  The TripSchedule type defined by the user of the raptor API.
 */
public final class StdStopArrivalsState implements StopArrivalsState {

    private final StopArrivals stops;
    private final DestinationArrivalPaths results;

    /**
     * Create a Standard Range Raptor state for the given stops and destination arrivals.
     */
    public StdStopArrivalsState(StopArrivals stops, DestinationArrivalPaths paths) {
        this.stops = stops;
        this.results = paths;
    }

    @Override
    public void setAccessTime(int arrivalTime, RaptorTransfer access, boolean bestTime) {
        stops.setAccessTime(arrivalTime, access, bestTime);
    }

    @Override
    public int bestTimePreviousRound(int stop) {
        return stops.bestTimePreviousRound(stop);
    }


    @Override
    public void setNewBestTransitTime(
        int stop,
        int alightTime,
        T trip,
        int boardStop,
        int boardTime,
        boolean newBestOverall
    ) {
        stops.transitToStop(stop, alightTime, boardStop, boardTime, trip, newBestOverall);
    }

    @Override
    public void setNewBestTransferTime(
        int fromStop,
        int arrivalTime,
        RaptorTransfer transfer
    ) {
        stops.transferToStop(fromStop, transfer, arrivalTime);
    }

    @Override
    public TransitArrival previousTransit(int boardStopIndex) {
        return stops.previousTransit(boardStopIndex);
    }

    @Override
    public Collection> extractPaths() {
        return results.listPaths();
    }
}