ROJTRRouter.cpp

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// Computes routes using junction turning percentages
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright (C) 2001-2011 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   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.
//
/****************************************************************************/


// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include <router/RONet.h>
#include "ROJTRRouter.h"
#include "ROJTREdge.h"
#include <utils/common/MsgHandler.h>

#ifdef CHECK_MEMORY_LEAKS
#include <foreign/nvwa/debug_new.h>
#endif // CHECK_MEMORY_LEAKS


// ===========================================================================
// method definitions
// ===========================================================================
ROJTRRouter::ROJTRRouter(RONet& net, bool unbuildIsWarningOnly, bool acceptAllDestinations,
                         int maxEdges, bool ignoreClasses, bool allowLoops)
    : myNet(net), myUnbuildIsWarningOnly(unbuildIsWarningOnly),
      myAcceptAllDestination(acceptAllDestinations), myMaxEdges(maxEdges),
      myIgnoreClasses(ignoreClasses), myAllowLoops(allowLoops) {
}


ROJTRRouter::~ROJTRRouter() {}


void
ROJTRRouter::compute(const ROEdge* from, const ROEdge* /*to*/,
                     const ROVehicle* const vehicle,
                     SUMOTime time, std::vector<const ROEdge*> &into) {
    const ROJTREdge* current = static_cast<const ROJTREdge*>(from);
    // route until a sinks has been found
    while (current!=0
            &&
            current->getType()!=ROEdge::ET_SINK
            &&
            (int) into.size()<myMaxEdges) {

        into.push_back(current);
        time += (SUMOTime) current->getTravelTime(vehicle, time);
        current = current->chooseNext(myIgnoreClasses ? 0 : vehicle, time);
        assert(myIgnoreClasses||current==0||!current->prohibits(vehicle));
    }
    // check whether no valid ending edge was found
    if ((int) into.size()>=myMaxEdges) {
        if (myAcceptAllDestination) {
            return;
        } else {
            MsgHandler* mh = 0;
            if (myUnbuildIsWarningOnly) {
                mh = MsgHandler::getWarningInstance();
            } else {
                mh = MsgHandler::getErrorInstance();
            }
            mh->inform("The route starting at edge '" + from->getID() + "' could not be closed.");
        }
    }
    // append the sink
    if (current!=0) {
        into.push_back(current);
    }
}


SUMOReal
ROJTRRouter::recomputeCosts(const std::vector<const ROEdge*> &edges, const ROVehicle* const v, SUMOTime time) throw() {
    SUMOReal costs = 0;
    for (std::vector<const ROEdge*>::const_iterator i=edges.begin(); i!=edges.end(); i++) {
        /*
        if (PF::operator()(*i, v)) {
            return -1;
        }
        */
        costs += (*i)->getTravelTime(v, time);
    }
    return costs;
}



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