NBLoadedTLDef.h

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/****************************************************************************/
// A loaded (complete) traffic light logic
/****************************************************************************/
// 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 NBLoadedTLDef_h
#define NBLoadedTLDef_h


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

#include <vector>
#include <string>
#include <set>
#include "NBTrafficLightDefinition.h"
#include "NBNode.h"
#include <utils/common/SUMOTime.h>


// ===========================================================================
// class definitions
// ===========================================================================
class NBLoadedTLDef : public NBTrafficLightDefinition {
public:
    class SignalGroup : public Named {
    public:
        SignalGroup(const std::string &id) throw();

        ~SignalGroup() throw();

        void addConnection(const NBConnection &c) throw();

        void addPhaseBegin(SUMOTime time, TLColor color) throw();

        void setYellowTimes(SUMOTime tRedYellowe, SUMOTime tYellow) throw();

        DoubleVector getTimes(SUMOTime cycleDuration) const throw();

        void sortPhases() throw();

        unsigned int getLinkNo() const throw();

        bool mayDrive(SUMOTime time) const throw();

        bool hasYellow(SUMOTime time) const throw();

        bool containsConnection(NBEdge *from, NBEdge *to) const throw();

        bool containsIncoming(NBEdge *from) const throw();

        void remapIncoming(NBEdge *which, const EdgeVector &by) throw(ProcessError);

        bool containsOutgoing(NBEdge *to) const throw();

        void remapOutgoing(NBEdge *which, const EdgeVector &by) throw(ProcessError);

        const NBConnection &getConnection(unsigned int pos) const throw();

        void patchTYellow(SUMOTime tyellow) throw();

        void remap(NBEdge *removed, int removedLane, NBEdge *by, int byLane) throw();

        class PhaseDef {
        public:
            PhaseDef(SUMOTime time, TLColor color) throw()
                    : myTime(time), myColor(color) { }

            SUMOTime myTime;
            TLColor myColor;
        };

        class phase_by_time_sorter {
        public:
            explicit phase_by_time_sorter() { }

            int operator()(const PhaseDef &p1, const PhaseDef &p2) {
                return p1.myTime<p2.myTime;
            }
        };

    private:
        NBConnectionVector myConnections;
        std::vector<PhaseDef> myPhases;
        SUMOTime myTRedYellow, myTYellow;
    };



    typedef std::map<std::string, SignalGroup*> SignalGroupCont;


    NBLoadedTLDef(const std::string &id,
                  const std::vector<NBNode*> &junctions) throw();


    NBLoadedTLDef(const std::string &id, NBNode *junction) throw();


    NBLoadedTLDef(const std::string &id) throw();


    ~NBLoadedTLDef() throw();


    SignalGroup *findGroup(NBEdge *from, NBEdge *to) const throw();


    void setCycleDuration(unsigned int cycleDur) throw();


    void addSignalGroup(const std::string &id) throw();


    bool addToSignalGroup(const std::string &groupid,
                          const NBConnection &connection) throw();


    bool addToSignalGroup(const std::string &groupid,
                          const NBConnectionVector &connections) throw();


    void addSignalGroupPhaseBegin(const std::string &groupid,
                                  SUMOTime time, TLColor color) throw();


    void setSignalYellowTimes(const std::string &groupid,
                              SUMOTime tRedYellow, SUMOTime tYellow) throw();



    void setTLControllingInformation(const NBEdgeCont &ec) const throw();


    void remapRemoved(NBEdge *removed,
                      const EdgeVector &incoming, const EdgeVector &outgoing) throw();


protected:

    NBTrafficLightLogic *myCompute(const NBEdgeCont &ec,
                                   unsigned int brakingTime) throw();


    void collectNodes() throw();


    void collectLinks() throw(ProcessError);


    bool mustBrake(const NBEdgeCont &ec,
                   const NBConnection &possProhibited,
                   const std::string &state,
                   unsigned int strmpos) const throw();


    void replaceRemoved(NBEdge *removed, int removedLane,
                        NBEdge *by, int byLane) throw();

private:
    std::string buildPhaseState(const NBEdgeCont &ec, unsigned int time) const throw();


private:
    SignalGroupCont mySignalGroups;

    unsigned int myCycleDuration;


};


#endif

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