00001 /* 00002 * Copyright (C) 2007. PARP Research Group. 00003 * <http://perception.inf.um.es> 00004 * University of Murcia, Spain. 00005 * 00006 * This file is part of the QVision library. 00007 * 00008 * QVision is free software: you can redistribute it and/or modify 00009 * it under the terms of the GNU Lesser General Public License as 00010 * published by the Free Software Foundation, version 3 of the License. 00011 * 00012 * QVision is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU Lesser General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public 00018 * License along with QVision. If not, see <http://www.gnu.org/licenses/>. 00019 */ 00020 00024 00025 #ifndef QVWORKER_H 00026 #define QVWORKER_H 00027 00028 #include <QStringList> 00029 #include <QThread> 00030 #include <QTime> 00031 00032 #include <qvutils/qvcpustatcontroler.h> 00033 #include <qvcore/qvpropertycontainer.h> 00034 00045 class QVWorker: public QThread, public QVPropertyContainer 00046 { 00047 Q_OBJECT 00048 00049 public: 00051 typedef enum 00052 { 00056 Running, 00059 RunningOneStep, 00063 Paused, 00065 Finished 00066 } TWorkerStatus; 00067 00072 QVWorker(const QString name = QString()); 00073 00078 virtual void iterate() { std::cerr << "WARNING: redefinition of worker() is deprecated. Redefine iterate() instead." << std::endl; worker(); }; 00079 00083 virtual void worker() {}; 00084 00096 void setMinimumDelay(int ms) { minms = ms; }; 00097 00100 bool isFinished() const { return status == Finished; } 00101 00104 bool isPaused() const { return status == Paused; } 00105 00108 bool isRunning() const { return status == Running; } 00109 00112 TWorkerStatus getStatus() const { return status; } 00113 00117 void unlink(); 00118 00121 int getIteration() const { return numIterations; } 00122 00131 QVStat getCpuStat() const { return cpuStatControler.value(); } 00132 00138 void printStat(int freq) { cpuStatControler.setFreq(freq); cpuStatControler.setWorkerName(getName()); } 00139 00158 void addTrigger(QString name) { triggerList.push_back(name); } 00159 00161 const QStringList getTriggerList() const { return triggerList; } 00162 00163 public slots: 00166 void pause() { qDebug() << "QVWorker::pause()"; status = Paused; emit statusUpdate(status); } 00167 00170 void unPause() { qDebug() << "QVWorker::unPause()"; status = Running; emit statusUpdate(status); } 00171 00174 void step() { qDebug() << "QVWorker::step()"; status = RunningOneStep; emit statusUpdate(status); } 00175 00178 void finish() { qDebug() << "QVWorker::finish()"; status = Finished; emit statusUpdate(status); } 00179 00194 virtual void processTrigger(QString name) { Q_UNUSED(name); } 00195 00196 signals: 00199 void startIteration(); 00200 00203 void endIteration(); 00204 00207 void endIteration(uint id, int iteration); 00208 00211 void statusUpdate(QVWorker::TWorkerStatus); 00212 00213 private: 00214 QVStatControler cpuStatControler; 00215 int numIterations, maxIterations; 00216 TWorkerStatus status; 00217 QStringList triggerList; 00218 QTime iterationTime; 00219 int curms,minms; 00220 00221 protected: 00222 void run(); 00223 00234 void timeFlag(const QString flag) 00235 { 00236 qDebug() << "QVWorker::timeFlag("<< flag <<")"; 00237 cpuStatControler.setFlag(flag); 00238 } 00239 }; 00240 00241 Q_DECLARE_METATYPE(QVStat); 00242 #endif