structuralConstraintMandatoryArcs.h

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#ifndef GUM_LEARNING_STRUCTURAL_CONSTRAINT_MANDATORY_ARCS_H
#define GUM_LEARNING_STRUCTURAL_CONSTRAINT_MANDATORY_ARCS_H

#include <agrum/agrum.h>
#include <agrum/graphs/diGraph.h>
#include <agrum/learning/constraints/structuralConstraint.h>
#include <agrum/learning/structureUtils/graphChange.h>

namespace gum {

  namespace learning {

    class StructuralConstraintMandatoryArcs
        : public virtual StructuralConstraintEmpty {
      public:
      // ##########################################################################
      // ##########################################################################

      StructuralConstraintMandatoryArcs();

      StructuralConstraintMandatoryArcs(const DiGraph& graph);

      StructuralConstraintMandatoryArcs(
         const StructuralConstraintMandatoryArcs& from);

      StructuralConstraintMandatoryArcs(StructuralConstraintMandatoryArcs&& from);

      virtual ~StructuralConstraintMandatoryArcs();


      // ##########################################################################
      // ##########################################################################

      StructuralConstraintMandatoryArcs&
         operator=(const StructuralConstraintMandatoryArcs& from);

      StructuralConstraintMandatoryArcs&
         operator=(StructuralConstraintMandatoryArcs&& from);


      // ##########################################################################
      // ##########################################################################

      void setArcs(const ArcSet& set);

      void addArc(const Arc& arc);

      void eraseArc(const Arc& arc);

      const ArcSet& arcs() const;

      void setGraphAlone(const DiGraph& graph);


      void modifyGraphAlone(const ArcAddition& change);


      void modifyGraphAlone(const ArcDeletion& change);


      void modifyGraphAlone(const ArcReversal& change);


      void modifyGraphAlone(const GraphChange& change);


      bool isAlwaysInvalidAlone(const GraphChange& change) const;


      bool checkArcAdditionAlone(NodeId x, NodeId y) const;


      bool checkArcDeletionAlone(NodeId x, NodeId y) const;


      bool checkArcReversalAlone(NodeId x, NodeId y) const;


      bool checkModificationAlone(const GraphChange& change) const;


      bool checkModificationAlone(const ArcAddition& change) const;


      bool checkModificationAlone(const ArcDeletion& change) const;


      bool checkModificationAlone(const ArcReversal& change) const;


#ifndef DOXYGEN_SHOULD_SKIP_THIS
// include the set of methods that enable the structural constraint to
// be standalone, i.e., that it needs not be included into a
// StructuralConstraintSetStatic to be used by learning algorithms
#  define GUM_CONSTRAINT_CLASS_NAME StructuralConstraintMandatoryArcs
#  include <agrum/learning/constraints/structuralConstraintPatternHeader.h>
#  undef GUM_CONSTRAINT_CLASS_NAME
#endif   // DOXYGEN_SHOULD_SKIP_THIS

      protected:
      ArcSet _MandatoryArcs__mandatory_arcs;
    };

  } /* namespace learning */

} /* namespace gum */

#ifndef GUM_NO_INLINE
#  include <agrum/learning/constraints/structuralConstraintMandatoryArcs_inl.h>
#endif /* GUM_NO_INLINE */

#endif /* GUM_LEARNING_STRUCTURAL_CONSTRAINT_MANDATORY_ARCS_H */