FallbackRoutingModuleDefaultImpl.java

Go to the documentation of this file.

package org.matsim.core.router;

import com.google.inject.Inject;
import org.matsim.api.core.v01.Coord;
import org.matsim.api.core.v01.Id;
import org.matsim.api.core.v01.TransportMode;
import org.matsim.api.core.v01.network.Link;
import org.matsim.api.core.v01.network.Network;
import org.matsim.api.core.v01.population.Leg;
import org.matsim.api.core.v01.population.Person;
import org.matsim.api.core.v01.population.PlanElement;
import org.matsim.api.core.v01.population.Population;
import org.matsim.core.config.Config;
import org.matsim.core.config.groups.RoutingConfigGroup;
import org.matsim.facilities.FacilitiesUtils;
import org.matsim.facilities.Facility;

import java.util.Collections;
import java.util.List;

class FallbackRoutingModuleDefaultImpl implements  FallbackRoutingModule {

    @Deprecated // #deleteBeforeRelease : only used to retrofit plans created since the merge of fallback routing module (sep'-dec'19)
    public static final String _fallback = "_fallback";

    @Inject private RoutingConfigGroup pcrCfg;
    @Inject private Config config ;
    @Inject private Population population ;
    @Inject private Network network ;

    @Override public List<? extends PlanElement> calcRoute( RoutingRequest request ){
        final Facility fromFacility = request.getFromFacility();
        final Facility toFacility = request.getToFacility();
        final double departureTime = request.getDepartureTime();
        final Person person = request.getPerson();

        Leg leg = population.getFactory().createLeg( TransportMode.walk ) ;
        Coord fromCoord = FacilitiesUtils.decideOnCoord( fromFacility, network, config );
        Coord toCoord = FacilitiesUtils.decideOnCoord( toFacility, network, config ) ;
        Id<Link> dpLinkId = FacilitiesUtils.decideOnLink( fromFacility, network ).getId() ;
        Id<Link> arLinkId = FacilitiesUtils.decideOnLink( toFacility, network ).getId() ;
        /*
         * Even TransportMode.walk needs an "UltimateFallbackRoutingModule", but for all other modes (pt, drt, ...) it
         * would be better if we would try the walkRouter first and fall back to "UltimateFallbackRoutingModule" or a
         * handwritten teleported walk like below only if the walkRouter returns null. - gl/kn-dec'19
         */
        NetworkRoutingInclAccessEgressModule.routeBushwhackingLeg( person, leg, fromCoord, toCoord, departureTime, dpLinkId, arLinkId, population.getFactory(),
                pcrCfg.getModeRoutingParams().get(TransportMode.walk) ) ;
        return Collections.singletonList( leg ) ;
    }
}