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 <iostream>
#include <string>
#include <utility>

#include <agrum/core/hashTable.h>
#include <agrum/core/set.h>
#include <agrum/multidim/instantiation.h>
#include <agrum/variables/discreteVariable.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:
    typedef GUM_SCALAR (*CompleteProjectionPtr)(
       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();


    typedef HashTable< std::string, CompleteProjectionPtr > CompleteProjectionSet;

    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/multidim/utils/operators/completeProjectionRegister4MultiDim_tpl.h>

#endif /* GUM_COMPLETE_PROJECTION_REGISTER_MULTI_DIM_H */