Line data    Source code

       1              : /****************************************************************************/
       2              : // Eclipse SUMO, Simulation of Urban MObility; see https://eclipse.dev/sumo
       3              : // Copyright (C) 2002-2024 German Aerospace Center (DLR) and others.
       4              : // This program and the accompanying materials are made available under the
       5              : // terms of the Eclipse Public License 2.0 which is available at
       6              : // https://www.eclipse.org/legal/epl-2.0/
       7              : // This Source Code may also be made available under the following Secondary
       8              : // Licenses when the conditions for such availability set forth in the Eclipse
       9              : // Public License 2.0 are satisfied: GNU General Public License, version 2
      10              : // or later which is available at
      11              : // https://www.gnu.org/licenses/old-licenses/gpl-2.0-standalone.html
      12              : // SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
      13              : /****************************************************************************/
      14              : /// @file    SUMORouteLoaderControl.h
      15              : /// @author  Daniel Krajzewicz
      16              : /// @author  Sascha Krieg
      17              : /// @author  Michael Behrisch
      18              : /// @author  Jakob Erdmann
      19              : /// @date    Wed, 06 Nov 2002
      20              : ///
      21              : // Class responsible for loading of routes from some files
      22              : /****************************************************************************/
      23              : #pragma once
      24              : #include <config.h>
      25              : 
      26              : #include <vector>
      27              : 
      28              : 
      29              : // ===========================================================================
      30              : // class declarations
      31              : // ===========================================================================
      32              : class SUMORouteLoader;
      33              : 
      34              : // ===========================================================================
      35              : // class definitions
      36              : // ===========================================================================
      37              : /**
      38              :  * @class SUMORouteLoaderControl
      39              :  *
      40              :  * SUMORouteLoaderControl
      41              :  * This controls is initialised with the list of route loaders and uses them
      42              :  * to load routes step wise.
      43              :  * The parameter myInAdvanceStepNo holds the number of time steps to read the
      44              :  * routes in forward. If it is 0 (default), all routes will be read at once.
      45              :  */
      46              : class SUMORouteLoaderControl {
      47              : public:
      48              :     /// @brief constructor
      49              :     SUMORouteLoaderControl(SUMOTime inAdvanceStepNo);
      50              : 
      51              :     /// @brief destructor
      52              :     ~SUMORouteLoaderControl();
      53              : 
      54              :     /// @brief add another loader
      55              :     void add(SUMORouteLoader* loader);
      56              : 
      57              :     /// @brief loads the next routes up to and including the given time step
      58              :     void loadNext(SUMOTime step);
      59              : 
      60              :     /// @brief returns the timestamp of the first loaded vehicle or flow
      61              :     SUMOTime getFirstLoadTime() const {
      62        12221 :         return myFirstLoadTime;
      63              :     }
      64              : 
      65              :     /// @brief returns whether loading is completed
      66              :     bool haveAllLoaded() const {
      67         5933 :         return myAllLoaded;
      68              :     }
      69              : 
      70              :     /// @brief return a route loader
      71              :     SUMORouteLoader* getFirstLoader() const;
      72              : 
      73              : private:
      74              :     /// @brief the first time step for which vehicles were loaded
      75              :     SUMOTime myFirstLoadTime;
      76              : 
      77              :     /// @brief the time step up to which vehicles were loaded
      78              :     SUMOTime myCurrentLoadTime;
      79              : 
      80              :     /// @brief the number of routes to read in forward
      81              :     const SUMOTime myInAdvanceStepNo;
      82              : 
      83              :     /// @brief the list of route loaders
      84              :     std::vector<SUMORouteLoader*> myRouteLoaders;
      85              : 
      86              :     /// @brief information whether all routes shall be loaded and whether they were loaded
      87              :     bool myLoadAll, myAllLoaded;
      88              : 
      89              : private:
      90              :     /// @brief Invalidated copy constructor
      91              :     SUMORouteLoaderControl(const SUMORouteLoaderControl& src);
      92              : 
      93              :     /// @brief Invalidated assignment operator
      94              :     SUMORouteLoaderControl& operator=(const SUMORouteLoaderControl& src);
      95              : };