InputController.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <string>
 
class TChain;
 
namespace Belle2 {
  class InputController {
  public:
    static bool canControlInput() { return s_canControlInput; }
 
    static void setCanControlInput(bool on) { s_canControlInput = on; }
 
    static void setNextEntry(long entry) { s_nextEntry = entry; }
 
    static long getNextEntry() { return s_nextEntry; }
 
    static void setNextEntry(long exp, long run, long event) { s_nextExperiment = exp; s_nextRun = run; s_nextEvent = event; }
 
    static long getNextExperiment() { return s_nextExperiment; }
 
    static long getNextRun() { return s_nextRun; }
 
    static long getNextEvent() { return s_nextEvent; }
 
    static long getCurrentEntry() { return s_currentEntry; }
 
    static long numEntries();
 
    static std::string getCurrentFileName();
 
    static void eventLoaded(long entry)
    {
      s_nextEntry = -1;
      s_nextExperiment = -1;
      s_nextRun = -1;
      s_nextEvent = -1;
      s_currentEntry = entry;
    }
 
    static void setChain(const TChain* chain) { s_chain = chain; }
 
    static void resetForChildProcess();
 
  private:
    InputController() { }
    ~InputController() { }
 
    static bool s_canControlInput;
 
    static long s_nextEntry;
 
    static long s_nextExperiment;
 
    static long s_nextRun;
 
    static long s_nextEvent;
 
 
    static long s_currentEntry;
 
    static const TChain* s_chain;
  };
}