Product.h

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// Copyright (c) 2002-present, OpenMS Inc. -- EKU Tuebingen, ETH Zurich, and FU Berlin
// SPDX-License-Identifier: BSD-3-Clause
//
// --------------------------------------------------------------------------
// $Maintainer: Timo Sachsenberg $
// $Authors: Marc Sturm $
// --------------------------------------------------------------------------
 
#pragma once
 
#include <OpenMS/METADATA/CVTermList.h>
#include <OpenMS/CONCEPT/HashUtils.h>
#include <functional>
 
namespace OpenMS
{
  class OPENMS_DLLAPI Product :
    public CVTermList
  {
 
public:
 
    Product() = default;
    Product(const Product &) = default;
    Product(Product&&) = default;
    ~Product() override = default;
 
    Product & operator=(const Product &) = default;
    Product& operator=(Product&&) & = default;
 
    bool operator==(const Product & rhs) const;
    bool operator!=(const Product & rhs) const;
 
    double getMZ() const;
    void setMZ(double mz);
 
    double getIsolationWindowLowerOffset() const;
    void setIsolationWindowLowerOffset(double bound);
 
    double getIsolationWindowUpperOffset() const;
    void setIsolationWindowUpperOffset(double bound);
 
protected:
 
    double mz_ = 0.0;
    double window_low_ = 0.0;
    double window_up_ = 0.0;
  };
} // namespace OpenMS
 
namespace std
{
  template<>
  struct hash<OpenMS::Product>
  {
    std::size_t operator()(const OpenMS::Product& p) const noexcept
    {
      std::size_t seed = OpenMS::hash_float(p.getMZ());
      OpenMS::hash_combine(seed, OpenMS::hash_float(p.getIsolationWindowLowerOffset()));
      OpenMS::hash_combine(seed, OpenMS::hash_float(p.getIsolationWindowUpperOffset()));
      OpenMS::hash_combine(seed, std::hash<OpenMS::CVTermList>{}(p));
      return seed;
    }
  };
} // namespace std