JToAshort.hh

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#ifndef __JDB_JTOASHORT__
#define __JDB_JTOASHORT__

#include <TROOT.h>
#include <TObject.h>
#include <cstdint>
#include <string>

/**
 * \author mdejong
 */
namespace JDATABASE {}
namespace JPP {
  using namespace JDATABASE;
}

namespace JDATABASE {

  struct JToAshort :
    public TObject
  {
    static const char* const getName() { return "toashort"; }  //!< Table name

    std::string DETID;                     ///< constraint
    int         RUN;                       ///
    int         RUNNUMBER;                 ///
    double      UNIXTIMEBASE;              ///< [s]
    int         DOMID;                     ///
    int         EMITTERID;                 ///< waveform identifier
    double      TOA_S;                     ///< [s]
    int         QUALITYFACTOR;             ///
    int         QUALITYNORMALISATION = 0;  ///

    static constexpr int64_t NANOSECONDS_IN_ONE_SECOND = 1000000000;
    static constexpr int64_t ONE_TICK_NS               = 16;

    /** return the absolute Time Of Arrival, in nanoseconds
     * (since Unix epoch 1 January 1970 00:00:00 UTC)
     */
    int64_t getAbsoluteToA_ns() const
    {
      return llrint((TOA_S + UNIXTIMEBASE) * NANOSECONDS_IN_ONE_SECOND);
    }

    /** get the number of nanoseconds (since Unix epoch) of the DAQ Frame start time */
    int64_t getDAQFrameNanoseconds() const
    {
      return llrint(UNIXTIMEBASE * NANOSECONDS_IN_ONE_SECOND);
    }

    /** get the number of seconds (since Unix epoch) of the DAQ Frame start time */
    uint32_t getDAQFrameSeconds() const
    {
      return getDAQFrameNanoseconds() / NANOSECONDS_IN_ONE_SECOND;
    }

    /** get the number of ticks (16 ns) of the DAQ Frame start time */
    uint32_t getDAQFrameTicks() const
    {
      return (getDAQFrameNanoseconds() % NANOSECONDS_IN_ONE_SECOND) / ONE_TICK_NS;
    }

    ClassDef(JToAshort, 1);
  };


}  // namespace JDATABASE

#endif