DefaultTurnAcceptanceLogic.java

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/* *********************************************************************** *
 * project: org.matsim.*
 * DefaultTurnAcceptanceLogic.java
 *                                                                         *
 * *********************************************************************** *
 *                                                                         *
 * copyright       : (C) 2019 by the members listed in the COPYING,        *
 *                   LICENSE and WARRANTY file.                            *
 * email           : info at matsim dot org                                *
 *                                                                         *
 * *********************************************************************** *
 *                                                                         *
 *   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     *
 *   (at your option) any later version.                                   *
 *   See also COPYING, LICENSE and WARRANTY file                           *
 *                                                                         *
 * *********************************************************************** */

package org.matsim.core.mobsim.qsim.qnetsimengine;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.matsim.api.core.v01.Id;
import org.matsim.api.core.v01.network.Link;

public final class DefaultTurnAcceptanceLogic implements TurnAcceptanceLogic {
    private static final Logger log = LogManager.getLogger( DefaultTurnAcceptanceLogic.class) ;

    @Override
    public AcceptTurn isAcceptingTurn(Link currentLink, QLaneI currentLane, Id<Link> nextLinkId, QVehicle veh, QNetwork qNetwork, double now){
        if (nextLinkId == null) {
            log.error( "Agent has no or wrong route! agentId=" + veh.getDriver().getId()
                    + " currentLink=" + currentLink.getId().toString()
                    + ". The agent is removed from the simulation.");
            return AcceptTurn.ABORT;
        }
        QLinkI nextQLink = qNetwork.getNetsimLinks().get(nextLinkId);

        if (nextQLink == null){
            log.warn("The link id " + nextLinkId + " is not available in the simulation network, but vehicle " + veh.getId() +
                    " plans to travel on that link from link " + veh.getCurrentLink().getId());
            return AcceptTurn.ABORT ;
        }
        if (currentLink.getToNode() != nextQLink.getLink().getFromNode()) {
            log.warn("Cannot move vehicle " + veh.getId() + " from link " + currentLink.getId() + " to link " + nextQLink.getLink().getId());
            return AcceptTurn.ABORT ;
        }
//      if ( !nextQLink.getLink().getAllowedModes().contains( veh.getDriver().getMode() ) ) {
//          final String message = "The link with id " + nextLinkId + " does not allow the current mode, which is " + veh.getDriver().getMode();
//          throw new RuntimeException( message ) ;
//          // yyyy is rather nonsensical to get the mode from the driver, not from the vehicle.  However, this seems to be
//          // how it currently works: network links are defined for modes, not for vehicle types.  kai, may'16
//      }
        // currently does not work, see MATSIM-533

        /* note: it cannot happen, that currentLane does not lead to nextLink (e.g. due to turn restrictions) because this is checked before:
         * a vehicle only enters a lane when that lane leads to the next link. see QLinkLanesImpl.moveBufferToNextLane() and .chooseNextLane()
         * tthunig, oct'17 */

        return AcceptTurn.GO ;
    }

}