SUMO - Simulation of Urban MObility
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00001 /****************************************************************************/ 00008 // The basic class for classes that read triggers 00009 /****************************************************************************/ 00010 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/ 00011 // Copyright (C) 2001-2012 DLR (http://www.dlr.de/) and contributors 00012 /****************************************************************************/ 00013 // 00014 // This file is part of SUMO. 00015 // SUMO is free software: you can redistribute it and/or modify 00016 // it under the terms of the GNU General Public License as published by 00017 // the Free Software Foundation, either version 3 of the License, or 00018 // (at your option) any later version. 00019 // 00020 /****************************************************************************/ 00021 00022 // =========================================================================== 00023 // included modules 00024 // =========================================================================== 00025 #ifdef _MSC_VER 00026 #include <windows_config.h> 00027 #else 00028 #include <config.h> 00029 #endif 00030 00031 #include <string> 00032 #include <microsim/MSNet.h> 00033 #include "MSTriggeredReader.h" 00034 00035 #ifdef CHECK_MEMORY_LEAKS 00036 #include <foreign/nvwa/debug_new.h> 00037 #endif // CHECK_MEMORY_LEAKS 00038 00039 00040 // =========================================================================== 00041 // method definitions 00042 // =========================================================================== 00043 MSTriggeredReader::MSTriggeredReader(MSNet&) 00044 : myOffset(0), myWasInitialised(false) {} 00045 00046 00047 MSTriggeredReader::~MSTriggeredReader() {} 00048 00049 00050 void 00051 MSTriggeredReader::init() { 00052 myInit(); 00053 myWasInitialised = true; 00054 } 00055 00056 00057 bool 00058 MSTriggeredReader::isInitialised() const { 00059 return myWasInitialised; 00060 } 00061 00062 00063 SUMOTime 00064 MSTriggeredReader::wrappedExecute(SUMOTime current) { 00065 if (!isInitialised()) { 00066 init(); 00067 } 00068 SUMOTime next = current; 00069 // loop until the next action lies in the future 00070 while (current == next) { 00071 // run the next action 00072 // if it could be accomplished... 00073 if (processNextEntryReaderTriggered()) { 00074 // read the next one 00075 if (readNextTriggered()) { 00076 // set the time for comparison if a next one exists 00077 next = myOffset; 00078 } else { 00079 // leave if no further exists 00080 return 0; 00081 } 00082 } else { 00083 // action could not been accomplished; try next time step 00084 return DELTA_T; 00085 } 00086 } 00087 // come back if the next action shall be executed 00088 if (myOffset - current <= 0) { 00089 // current is delayed; 00090 return DELTA_T; 00091 } 00092 return myOffset - current; 00093 } 00094 00095 00096 00097 /****************************************************************************/ 00098