org.opentripplanner.ext.flex.flexpathcalculator.ScheduledFlexPathCalculator Maven / Gradle / Ivy

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The OpenTripPlanner multimodal journey planning system

There is a newer version: 2.5.0

package org.opentripplanner.ext.flex.flexpathcalculator;

import org.opentripplanner.ext.flex.trip.FlexTrip;
import org.opentripplanner.routing.graph.Vertex;

/**
 * Calculate the driving times based on the scheduled timetable for the route.
 */
public class ScheduledFlexPathCalculator implements FlexPathCalculator {
  private final FlexPathCalculator flexPathCalculator;
  private final FlexTrip trip;

  public ScheduledFlexPathCalculator(FlexPathCalculator flexPathCalculator, FlexTrip trip) {
    this.flexPathCalculator = flexPathCalculator;
    this.trip = trip;
  }

  @Override
  public FlexPath calculateFlexPath(
      Vertex fromv, Vertex tov, int fromStopIndex, int toStopIndex
  ) {
    FlexPath flexPath = flexPathCalculator.calculateFlexPath(
        fromv,
        tov,
        fromStopIndex,
        toStopIndex
    );
    if (flexPath == null) { return null; }
    int distance = flexPath.distanceMeters;
    int departureTime = trip.earliestDepartureTime(Integer.MIN_VALUE, fromStopIndex, toStopIndex, 0);
    int arrivalTime = trip.latestArrivalTime(Integer.MAX_VALUE, fromStopIndex, toStopIndex, 0);

    if (departureTime >= arrivalTime) { return null; }
    return new FlexPath(distance, arrivalTime - departureTime, flexPath::getGeometry);
  }
}