BoxControllerDummyIO.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2008 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 +
/*********************************************************************************
 *  PLEASE READ THIS!!!!!!!
 *
 *  This header MAY NOT be included in any test from a package below API
 *    (e.g. Kernel, Geometry).
 *  Conversely, this file MAY NOT be modified to use anything from a package
 *higher
 *  than API (e.g. any algorithm or concrete workspace), even if via the
 *factory.
 *********************************************************************************/
#pragma once
 
#include "MantidAPI/BoxController.h"
#include "MantidAPI/IBoxControllerIO.h"
#include "MantidKernel/DiskBuffer.h"
#include <mutex>
 
namespace MantidTestHelpers {
 
//===============================================================================================
class BoxControllerDummyIO : public Mantid::API::IBoxControllerIO {
public:
  BoxControllerDummyIO(const Mantid::API::BoxController *bc);
  bool isOpened() const override { return (m_isOpened); }
  const std::string &getFileName() const override { return m_fileName; }
  void copyFileTo(const std::string &) override {}
  size_t getDataChunk() const override { return 1; }
 
  bool openFile(const std::string &fileName, const std::string &mode) override;
  void saveBlock(const std::vector<float> & /* DataBlock */, const uint64_t /*blockPosition*/) const override;
  void saveBlock(const std::vector<double> & /* DataBlock */, const uint64_t /*blockPosition*/) const override {
    throw Mantid::Kernel::Exception::NotImplementedError(
        "Saving double presision events blocks is not supported at the moment");
  }
  void loadBlock(std::vector<float> & /* Block */, const uint64_t /*blockPosition*/,
                 const size_t /*BlockSize*/) const override;
  void loadBlock(std::vector<double> & /* Block */, const uint64_t /*blockPosition*/,
                 const size_t /*BlockSize*/) const override {
    throw Mantid::Kernel::Exception::NotImplementedError(
        "Loading double presision events blocks is not supported at the "
        "moment");
  }
  void flushData() const override {};
  void closeFile() override { m_isOpened = false; }
 
  ~BoxControllerDummyIO() override;
  // Auxiliary functions. Used to change default state of this object which is
  // not fully supported. Should be replaced by some IBoxControllerIO factory
  void setDataType(const size_t blockSize, const std::string &typeName) override;
  void getDataType(size_t &CoordSize, std::string &typeName) const override;
 
  // Auxiliary functions (non-virtual, used at testing)
  int64_t getNDataColums() const { return 2; }
 
private:
  std::string m_fileName;
  // the file Handler responsible for Nexus IO operations;
  mutable std::vector<float> fileContents;
  const Mantid::API::BoxController *m_bc;
 
  mutable std::mutex m_fileMutex;
  unsigned int m_CoordSize;
  unsigned int m_EventSize;
  std::string m_TypeName;
 
  bool m_ReadOnly;
  bool m_isOpened;
};
} // namespace MantidTestHelpers