PeakColumn.h

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// Mantid Repository : https://github.com/mantidproject/mantid
//
// Copyright © 2018 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 +
#pragma once
 
#include "MantidAPI/Column.h"
#include "MantidDataObjects/LeanElasticPeak.h"
#include "MantidDataObjects/Peak.h"
 
#include <boost/variant.hpp>
#include <list>
 
namespace Mantid {
namespace DataObjects {
 
template <class T> class MANTID_DATAOBJECTS_DLL PeakColumn : public Mantid::API::Column {
 
public:
  PeakColumn(std::vector<T> &peaks, const std::string &name);
 
  size_t size() const override { return m_peaks.size(); }
 
  const std::type_info &get_type_info() const override;
 
  const std::type_info &get_pointer_type_info() const override;
 
  bool getReadOnly() const override;
 
  void print(size_t index, std::ostream &s) const override;
 
  void read(size_t index, const std::string &text) override;
 
  void read(const size_t index, std::istringstream &in) override;
 
  bool isBool() const override;
 
  bool isNumber() const override;
 
  long int sizeOfData() const override;
 
  PeakColumn *clone() const override;
 
  double toDouble(size_t i) const override;
 
  void fromDouble(size_t i, double value) override;
 
  const std::vector<T> &data() const { return m_peaks; }
 
  bool equals(const Column &otherColumn, double tolerance) const override {
    (void)otherColumn;
    (void)tolerance;
    throw std::runtime_error("equals not implemented, to compare use CompareWorkspace");
  }
 
protected:
  void resize(size_t count) override;
  void insert(size_t index) override;
  void remove(size_t index) override;
  void *void_pointer(size_t index) override;
  const void *void_pointer(size_t index) const override;
 
private:
  std::vector<T> &m_peaks;
  int m_hklPrec;
 
  using CacheValueType = boost::variant<double, int, std::string, Kernel::V3D>;
  mutable std::list<CacheValueType> m_oldRows;
  void setPeakHKLOrRunNumber(const size_t index, const double val);
};
 
} // namespace DataObjects
} // namespace Mantid