RowPredicate.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 "MantidQtWidgets/Common/Batch/RowLocation.h"
#include <memory>
 
namespace MantidQt {
namespace MantidWidgets {
namespace Batch {
class RowPredicate {
public:
  bool operator()(RowLocation const &row) const;
  virtual ~RowPredicate() = default;
 
protected:
  virtual bool rowMeetsCriteria(RowLocation const &row) const = 0;
};
 
template <typename LambdaPredicate> class LambdaRowPredicate : public RowPredicate {
public:
  LambdaRowPredicate(LambdaPredicate predicate) : m_predicate(std::move(predicate)) {}
 
protected:
  bool rowMeetsCriteria(RowLocation const &row) const override { return m_predicate(row); }
 
private:
  LambdaPredicate m_predicate;
};
 
template <typename Predicate> std::unique_ptr<RowPredicate> makeFilterFromLambda(Predicate predicate) {
  return std::make_unique<LambdaRowPredicate<Predicate>>(predicate);
}
} // namespace Batch
} // namespace MantidWidgets
} // namespace MantidQt