ProcessBankSplitFullTimeTask.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2025 ISIS Rutherford Appleton Laboratory UKRI,
//   NScD Oak Ridge National Laboratory, European Spallation Source,
//   Institut Laue - Langevin & CSNS, Institute of High Energy Physics, CAS
// SPDX - License - Identifier: GPL - 3.0 +
 
#include "MantidAPI/MatrixWorkspace.h"
#include "MantidDataHandling/AlignAndFocusPowderSlim/NexusLoader.h"
#include "MantidDataHandling/DllConfig.h"
#include "MantidGeometry/IDTypes.h"
#include "MantidKernel/DateAndTime.h"
#include <H5Cpp.h>
#include <MantidAPI/Progress.h>
#include <map>
#include <set>
#include <tbb/tbb.h>
#include <vector>
 
namespace Mantid::DataHandling::AlignAndFocusPowderSlim {
 
// We need to include additional pulses because time-of-flight can be greater than a couple of pulse periods.
// This is in nanoseconds. So four pulses of 1/60s is 66666666 ns.
const int64_t PULSETIME_OFFSET = 66666666;
 
class MANTID_DATAHANDLING_DLL ProcessBankSplitFullTimeTask {
public:
  ProcessBankSplitFullTimeTask(std::vector<std::string> &bankEntryNames, H5::H5File &h5file,
                               const bool is_time_filtered, std::vector<int> &workspaceIndices,
                               std::vector<API::MatrixWorkspace_sptr> &wksps,
                               const std::map<detid_t, double> &calibration,
                               const std::map<detid_t, double> &scale_at_sample, const std::set<detid_t> &masked,
                               const size_t events_per_chunk, const size_t grainsize_event,
                               const std::vector<PulseROI> &pulse_indices,
                               const std::map<Mantid::Types::Core::DateAndTime, int> &splitterMap,
                               std::shared_ptr<API::Progress> &progress);
 
  // Constructor with custom loader to allow mocking in tests
  ProcessBankSplitFullTimeTask(std::vector<std::string> &bankEntryNames, H5::H5File &h5file,
                               std::shared_ptr<NexusLoader> loader, std::vector<int> &workspaceIndices,
                               std::vector<API::MatrixWorkspace_sptr> &wksps,
                               const std::map<detid_t, double> &calibration,
                               const std::map<detid_t, double> &scale_at_sample, const std::set<detid_t> &masked,
                               const size_t events_per_chunk, const size_t grainsize_event,
                               const std::map<Mantid::Types::Core::DateAndTime, int> &splitterMap,
                               std::shared_ptr<API::Progress> &progress);
 
  void operator()(const tbb::blocked_range<size_t> &range) const;
 
private:
  H5::H5File m_h5file;
  const std::vector<std::string> m_bankEntries;
  std::shared_ptr<NexusLoader> m_loader;
  std::vector<int> m_workspaceIndices;
  std::vector<API::MatrixWorkspace_sptr> m_wksps;
  const std::map<detid_t, double> m_calibration; // detid: 1/difc
  std::map<detid_t, double> m_scale_at_sample;   
  const std::set<detid_t> m_masked;
  const size_t m_events_per_chunk;
  const std::map<Mantid::Types::Core::DateAndTime, int> m_splitterMap;
  const size_t m_grainsize_event;
  std::shared_ptr<API::Progress> m_progress;
};
} // namespace Mantid::DataHandling::AlignAndFocusPowderSlim