CarTravelDistanceEvaluator.java

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/* *********************************************************************** *
 * project: org.matsim.*                                                   *
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 * copyright       : (C) 2008 by the members listed in the COPYING,        *
 *                   LICENSE and WARRANTY file.                            *
 * email           : info at matsim dot org                                *
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 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
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package tutorial.programming.example21tutorialTUBclass.class2016.events;

import java.util.HashMap;
import java.util.Map;

import org.matsim.api.core.v01.Id;
import org.matsim.api.core.v01.events.LinkEnterEvent;
import org.matsim.api.core.v01.events.PersonArrivalEvent;
import org.matsim.api.core.v01.events.PersonDepartureEvent;
import org.matsim.api.core.v01.events.PersonEntersVehicleEvent;
import org.matsim.api.core.v01.events.PersonLeavesVehicleEvent;
import org.matsim.api.core.v01.events.handler.LinkEnterEventHandler;
import org.matsim.api.core.v01.events.handler.PersonArrivalEventHandler;
import org.matsim.api.core.v01.events.handler.PersonDepartureEventHandler;
import org.matsim.api.core.v01.events.handler.PersonEntersVehicleEventHandler;
import org.matsim.api.core.v01.events.handler.PersonLeavesVehicleEventHandler;
import org.matsim.api.core.v01.network.Network;
import org.matsim.api.core.v01.population.Person;
import org.matsim.vehicles.Vehicle;

public class CarTravelDistanceEvaluator implements LinkEnterEventHandler, PersonDepartureEventHandler,
        PersonArrivalEventHandler, PersonEntersVehicleEventHandler, PersonLeavesVehicleEventHandler {

    private Network network;
    private Map<Id<Person>,Double> travelledDistance = new HashMap<>(); 
    private Map<Id<Vehicle>,Id<Person>> vehicles2Persons = new HashMap<>();
    
    private int[] distanceDistribution = new int[30];
    
    public CarTravelDistanceEvaluator(Network network) {
        this.network = network;
    }
    
    @Override
    public void reset(int iteration) {
        distanceDistribution = new int[30];
    }

    @Override
    public void handleEvent(PersonEntersVehicleEvent event) {
        if (travelledDistance.containsKey(event.getPersonId())){
            vehicles2Persons.put(event.getVehicleId(), event.getPersonId());
        }
    }

    @Override
    public void handleEvent(PersonArrivalEvent event) {
        if (this.travelledDistance.containsKey(event.getPersonId())){
            double distance = this.travelledDistance.get(event.getPersonId());
            this.travelledDistance.remove(event.getPersonId()); //could be one step instead
            int distanceInKm = (int) (distance/1000);
            if (distanceInKm>29) {
                distanceInKm = 29;
            //everything above 29km goes into the last bin  
            }
            this.distanceDistribution[distanceInKm]++;
            
        }
    }

    @Override
    public void handleEvent(PersonDepartureEvent event) {
        if (event.getLegMode().equals("car")){
            if (!event.getPersonId().toString().startsWith("pt_")){
                travelledDistance.put(event.getPersonId(), 0.0);
            }
        }
    }

    @Override
    public void handleEvent(LinkEnterEvent event) {
        if (this.vehicles2Persons.containsKey(event.getVehicleId())){
        Id<Person> personId = this.vehicles2Persons.get(event.getVehicleId());
        double distanceSoFarTravelled = this.travelledDistance.get(personId);
        double length = this.network.getLinks().get(event.getLinkId()).getLength();
        double newDistanceTravelled = distanceSoFarTravelled+length;
        this.travelledDistance.put(personId, newDistanceTravelled);
        }
    }

    @Override
    public void handleEvent(PersonLeavesVehicleEvent event) {
        if (this.vehicles2Persons.containsKey(event.getVehicleId())){
            this.vehicles2Persons.remove(event.getVehicleId());
        }
    }
    
    public int[] getDistanceDistribution() {
        return distanceDistribution;
    }

}