completeProjectionRegister4MultiDim.h

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#ifndef GUM_COMPLETE_PROJECTION_REGISTER_4_MULTI_DIM_H
#define GUM_COMPLETE_PROJECTION_REGISTER_4_MULTI_DIM_H
 
#include <atomic>
#include <iostream>
#include <string>
#include <utility>
 
#include <agrum/base/multidim/instantiation.h>
 
namespace gum {
 
  // the base object used by the projections
  template < typename GUM_SCALAR >
  class MultiDimImplementation;
 
  // ===========================================================================
  // ===             GUM_MULTI_DIM_COMPLETE_PROJECTION_REGISTER              ===
  // ===========================================================================
 
  // clang-format off
  // clang-format on
 
  template < typename GUM_SCALAR >
  class CompleteProjectionRegister4MultiDim {
    public:
    using CompleteProjectionPtr
        = GUM_SCALAR (*)(const MultiDimImplementation< GUM_SCALAR >*, Instantiation* instantiation);
 
    // =========================================================================
    // =========================================================================

    void insert(const std::string&    projection_name,
                const std::string&    type_multidim,
                CompleteProjectionPtr newFunction);

    void erase(const std::string& projection_name, const std::string& type_multidim);

    bool exists(const std::string& projection_name, const std::string& type_multidim) const;

    CompleteProjectionPtr get(const std::string& projection_name,
                              const std::string& type_multidim) const;

 
    // =========================================================================
    // =========================================================================

    static CompleteProjectionRegister4MultiDim& Register();

 
    private:
    // =========================================================================
    // =========================================================================

    CompleteProjectionRegister4MultiDim();

    CompleteProjectionRegister4MultiDim(const CompleteProjectionRegister4MultiDim&);

    ~CompleteProjectionRegister4MultiDim();


    using CompleteProjectionSet = HashTable< std::string, CompleteProjectionPtr >;

    HashTable< std::string, CompleteProjectionSet* > _set_;
  };

  template < typename GUM_SCALAR >
  void registerCompleteProjection(
      const std::string& projection_name,
      const std::string& type_multidim,
      typename CompleteProjectionRegister4MultiDim< GUM_SCALAR >::CompleteProjectionPtr function);
 
} /* namespace gum */
 
// always include the implementations
#include <agrum/base/multidim/utils/operators/completeProjectionRegister4MultiDim_tpl.h>
 
#endif /* GUM_COMPLETE_PROJECTION_REGISTER_MULTI_DIM_H */