CalibTracker/SiStripAPVAnalysis/interface/TkStateMachine.h - master - githubmirror/cmssw

CalibTracker/SiStripAPVAnalysis/interface/TkStateMachine.h

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16 май 2019, 15:48

16 май 2019, 15:4899a83f0

#ifndef Tracker_TkFiniteStateMachine_h
#define Tracker_TkFiniteStateMachine_h

#include <string>
/**
 * Implement a state machine. Each of the ApvAnalysis component can be
 * - calibrating: not yet able to give an answer
 * - ready: can give an answer, the calibration stays as it is.
 * - calibrating:  can give an answer, at the same time the calibration is updated.
 * - stuck: a serious error happened.
 */
class TkStateMachine {
public:
  enum StatusType { ready = 1, calibrating = 2, updating = 3, stuck = 4 };

  bool alreadyCalibrated() const { return (myStatus == updating || myStatus == ready); }
  StatusType status() const { return myStatus; }

  void setReady() { myStatus = ready; }
  void setUpdating() { myStatus = updating; }
  void setCalibrating() { myStatus = calibrating; }
  void setStuck() { myStatus = stuck; }

  void setStatus(StatusType in) { myStatus = in; }

  bool isReady() const { return myStatus == ready; }
  bool isStuck() const { return myStatus == stuck; }
  bool isUpdating() const { return myStatus == updating; }
  bool isCalibrating() const { return myStatus == calibrating; }

  std::string statusName() {
    if (myStatus == ready)
      return "Ready";
    if (myStatus == calibrating)
      return "Calibrating";
    if (myStatus == updating)
      return "Updating";
    if (myStatus == stuck)
      return "Stuck";
    return "Unknown Status";
  }

public:
  StatusType myStatus;
};

#endif