SUMO - Simulation of Urban MObility
MSEventControl.h
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00001 /****************************************************************************/
00010 // Stores time-dependant events and executes them at the proper time
00011 /****************************************************************************/
00012 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
00013 // Copyright (C) 2001-2012 DLR (http://www.dlr.de/) and contributors
00014 /****************************************************************************/
00015 //
00016 //   This file is part of SUMO.
00017 //   SUMO is free software: you can redistribute it and/or modify
00018 //   it under the terms of the GNU General Public License as published by
00019 //   the Free Software Foundation, either version 3 of the License, or
00020 //   (at your option) any later version.
00021 //
00022 /****************************************************************************/
00023 #ifndef MSEventControl_h
00024 #define MSEventControl_h
00025 
00026 
00027 // ===========================================================================
00028 // included modules
00029 // ===========================================================================
00030 #ifdef _MSC_VER
00031 #include <windows_config.h>
00032 #else
00033 #include <config.h>
00034 #endif
00035 
00036 #include <utility>
00037 #include <queue>
00038 #include <vector>
00039 #include <map>
00040 #include <utils/common/SUMOTime.h>
00041 #include <utils/common/UtilExceptions.h>
00042 
00043 
00044 // ===========================================================================
00045 // class declarations
00046 // ===========================================================================
00047 class Command;
00048 
00049 
00050 // ===========================================================================
00051 // class definitions
00052 // ===========================================================================
00057 class MSEventControl {
00058 public:
00060     typedef std::pair< Command*, SUMOTime > Event;
00061 
00062 
00067     enum AdaptType {
00069         ADAPT_AFTER_EXECUTION = 1,
00071         NO_CHANGE = 2
00072     };
00073 
00074 
00075 public:
00077     MSEventControl();
00078 
00079 
00081     virtual ~MSEventControl();
00082 
00083 
00098     virtual SUMOTime addEvent(Command* operation, SUMOTime execTimeStep,
00099                               AdaptType type);
00100 
00101 
00119     virtual void execute(SUMOTime time);
00120 
00121 
00126     bool isEmpty();
00127 
00128 
00135     void setCurrentTimeStep(SUMOTime time);
00136 
00137 
00138 protected:
00143     class EventSortCrit {
00144     public:
00146         bool operator()(const Event& e1, const Event& e2) const {
00147             return e1.second > e2.second;
00148         }
00149     };
00150 
00151 
00152 private:
00154     typedef std::priority_queue< Event, std::vector< Event >, EventSortCrit > EventCont;
00155 
00157     SUMOTime currentTimeStep;
00158 
00160     EventCont myEvents;
00161 
00163     SUMOTime getCurrentTimeStep();
00164 
00165 
00166 private:
00168     MSEventControl(const MSEventControl&);
00169 
00171     MSEventControl& operator=(const MSEventControl&);
00172 
00173 
00174 };
00175 
00176 
00177 #endif
00178 
00179 /****************************************************************************/
00180 
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