MSJunction.h

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/****************************************************************************/
// The base class for an intersection
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
// Copyright 2001-2010 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.
//
/****************************************************************************/
#ifndef MSJunction_h
#define MSJunction_h


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

#include <string>
#include <vector>
#include <map>
#include <utils/geom/Position2D.h>
#include <utils/geom/Position2DVector.h>
#include <utils/common/SUMOTime.h>
#include <utils/common/UtilExceptions.h>


class MSVehicle;
class MSLink;
class MSLane;

// ===========================================================================
// class definitions
// ===========================================================================
class MSJunction {
public:
    struct ApproachingVehicleInformation {
        ApproachingVehicleInformation(SUMOReal _arrivalTime, SUMOReal _leavingTime, MSVehicle *_vehicle)
                : arrivalTime(_arrivalTime), leavingTime(_leavingTime), vehicle(_vehicle) {}
        SUMOReal arrivalTime;
        SUMOReal leavingTime;
        MSVehicle *vehicle;
    };

    typedef std::vector<ApproachingVehicleInformation> LinkApproachingVehicles;

    class vehicle_in_request_finder {
    public:
        explicit vehicle_in_request_finder(const MSVehicle * const v) : myVehicle(v) { }
        bool operator()(const ApproachingVehicleInformation &vo) {
            return vo.vehicle == myVehicle;
        }
    private:
        const MSVehicle * const myVehicle;

    };



    virtual ~MSJunction();

    MSJunction(const std::string &id, const Position2D &position,
               const Position2DVector &shape) throw();

    virtual void postloadInit() throw(ProcessError);

    virtual bool clearRequests() = 0;

    virtual bool setAllowed() = 0;

    const Position2D &getPosition() const;

    const std::string &getID() const;

    const Position2DVector &getShape() const throw() {
        return myShape;
    }

    virtual const std::vector<MSLink*> &getFoeLinks(const MSLink *const srcLink) const throw() {
        return myEmptyLinks;
    }

    virtual const std::vector<MSLane*> &getFoeInternalLanes(const MSLink *const srcLink) const throw() {
        return myEmptyLanes;
    }

protected:
    std::string myID;

    Position2D myPosition;

    Position2DVector myShape;

    std::vector<MSLink*> myEmptyLinks;
    std::vector<MSLane*> myEmptyLanes;




private:
    MSJunction(const MSJunction&);

    MSJunction& operator=(const MSJunction&);

};


#endif

/****************************************************************************/