Program Listing for File composed_loss.hpp

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#ifndef FUSE_LOSS__COMPOSED_LOSS_HPP_
#define FUSE_LOSS__COMPOSED_LOSS_HPP_

#include <memory>
#include <ostream>
#include <string>

#include <fuse_core/loss.hpp>

#include <boost/serialization/access.hpp>
#include <boost/serialization/base_object.hpp>
#include <boost/serialization/export.hpp>


namespace fuse_loss
{

class ComposedLoss : public fuse_core::Loss
{
public:
  FUSE_LOSS_DEFINITIONS(ComposedLoss)


  explicit ComposedLoss(
    const std::shared_ptr<fuse_core::Loss> & f_loss = nullptr,
    const std::shared_ptr<fuse_core::Loss> & g_loss = nullptr);

  ~ComposedLoss() override = default;

  void initialize(
    fuse_core::node_interfaces::NodeInterfaces<
      fuse_core::node_interfaces::Base,
      fuse_core::node_interfaces::Logging,
      fuse_core::node_interfaces::Parameters
    > interfaces,
    const std::string & name) override;

  void print(std::ostream & stream = std::cout) const override;

  ceres::LossFunction * lossFunction() const override;

  std::shared_ptr<fuse_core::Loss> fLoss() const
  {
    return f_loss_;
  }

  std::shared_ptr<fuse_core::Loss> gLoss() const
  {
    return g_loss_;
  }

  void fLoss(const std::shared_ptr<fuse_core::Loss> & f_loss)
  {
    f_loss_ = f_loss;
  }

  void gLoss(const std::shared_ptr<fuse_core::Loss> & g_loss)
  {
    g_loss_ = g_loss;
  }

private:
  std::shared_ptr<fuse_core::Loss> f_loss_{nullptr};
  std::shared_ptr<fuse_core::Loss> g_loss_{nullptr};

  // Allow Boost Serialization access to private methods
  friend class boost::serialization::access;

  template<class Archive>
  void serialize(Archive & archive, const unsigned int /* version */)
  {
    archive & boost::serialization::base_object<fuse_core::Loss>(*this);
    archive & f_loss_;
    archive & g_loss_;
  }
};

}  // namespace fuse_loss

BOOST_CLASS_EXPORT_KEY(fuse_loss::ComposedLoss);

#endif  // FUSE_LOSS__COMPOSED_LOSS_HPP_