influenceDiagram.h

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 *       - Christophe GONZALES(_at_AMU)                                     *
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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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#ifndef GUM_INF_DIAG_H
#define GUM_INF_DIAG_H
 
#include <string>
#include <utility>
 
#include <agrum/agrum.h>
 
#include <agrum/base/graphicalModels/DAGmodel.h>
#include <agrum/base/multidim/tensor.h>
 
namespace gum {

  template < GUM_Numeric GUM_SCALAR >
  class InfluenceDiagram: public DAGmodel {
    // friend class InfluenceDiagramFactory<GUM_SCALAR>;
 
    public:
    static InfluenceDiagram< GUM_SCALAR > fastPrototype(std::string_view dotlike, Size domainSize);
    static InfluenceDiagram< GUM_SCALAR > fastPrototype(std::string_view dotlike,
                                                        std::string_view domain = "[2]");
 
    // ===========================================================================
    // ===========================================================================

    InfluenceDiagram();

    ~InfluenceDiagram() override;

    InfluenceDiagram(const InfluenceDiagram< GUM_SCALAR >& source);

    InfluenceDiagram< GUM_SCALAR >& operator=(const InfluenceDiagram< GUM_SCALAR >& source);
 
    InfluenceDiagram(InfluenceDiagram< GUM_SCALAR >&&) noexcept;
    InfluenceDiagram< GUM_SCALAR >& operator=(InfluenceDiagram< GUM_SCALAR >&&) noexcept;

    bool operator==(const InfluenceDiagram< GUM_SCALAR >& other) const;

    std::string toDot() const;

    std::string toString() const;
 
    void clear();
 
    // ===========================================================================
    // ===========================================================================

    virtual const Tensor< GUM_SCALAR >& cpt(NodeId varId) const;
 
    virtual const Tensor< GUM_SCALAR >& cpt(std::string_view name) const final;

    virtual const Tensor< GUM_SCALAR >& utility(NodeId varId) const;
 
    virtual const Tensor< GUM_SCALAR >& utility(std::string_view name) const final;

    bool isUtilityNode(NodeId varId) const;
 
    bool isUtilityNode(std::string_view name) const;

    bool isDecisionNode(NodeId varId) const;
 
    bool isDecisionNode(std::string_view name) const;

    bool isChanceNode(NodeId varId) const;
 
    bool isChanceNode(std::string_view name) const;

    Size utilityNodeSize() const;

    Size chanceNodeSize() const;

    Size decisionNodeSize() const;
 
    const DiscreteVariable& variable(std::string_view name) const;

    NodeId add(const DiscreteVariable& variable, NodeId id = 0);

    NodeId addChanceNode(const DiscreteVariable& variable, NodeId id = 0);

    NodeId addUtilityNode(const DiscreteVariable& variable, NodeId id = 0);

    NodeId addDecisionNode(const DiscreteVariable& variable, NodeId id = 0);

    NodeId addChanceNode(const DiscreteVariable&               variable,
                         MultiDimImplementation< GUM_SCALAR >* aContent,
                         NodeId                                id = 0);

    NodeId addUtilityNode(const DiscreteVariable&               variable,
                          MultiDimImplementation< GUM_SCALAR >* aContent,
                          NodeId                                id = 0);
 

    NodeId add(std::string_view fast_description, unsigned int default_nbrmod = 2);

    NodeId addChanceNode(std::string_view fast_description, unsigned int default_nbrmod = 2);

    NodeId addUtilityNode(std::string_view fast_description);

    NodeId addDecisionNode(std::string_view fast_description, unsigned int default_nbrmod = 2);
 

    void erase(NodeId id);
 
    void erase(std::string_view name);

    void erase(const DiscreteVariable& var);

    void changeVariableName(NodeId id, std::string_view new_name);
 
    void changeVariableName(std::string_view name, std::string_view new_name);

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

    void addArc(NodeId tail, NodeId head);
 
    void addArc(std::string_view tail, std::string_view head);

    void eraseArc(const Arc& arc);

    void eraseArc(NodeId tail, NodeId head);
 
    void eraseArc(std::string_view tail, std::string_view head);

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

    bool decisionOrderExists() const;

    gum::DAG getDecisionGraph() const;

    std::vector< NodeId > decisionOrder() const;

    bool existsPathBetween(NodeId src, NodeId dest) const;
 
    bool existsPathBetween(std::string_view src, std::string_view dest) const;

    const List< NodeSet >& getPartialTemporalOrder(bool clear = true) const;


    void beginTopologyTransformation();
    void endTopologyTransformation();
 
    protected:
    virtual void moralGraph_(UndiGraph& graph) const;

    void removeTables_();

    void copyStructureAndTables_(const InfluenceDiagram< GUM_SCALAR >& IDsource);

    NodeId addNode_(const DiscreteVariable& variableType, NodeId DesiredId);

    Sequence< NodeId > getChildrenDecision_(NodeId parentDecision) const;
 
    public:
    using DiscreteGraphicalModel::idFromName;
    using DiscreteGraphicalModel::variableNodeMap;
    using DiscreteGraphicalModel::variable;
    using DiscreteGraphicalModel::nodeId;
    using DiscreteGraphicalModel::variableFromName;
 
    private:
    NodeProperty< Tensor< GUM_SCALAR >* > _tensorMap_;
    NodeProperty< Tensor< GUM_SCALAR >* > _utilityMap_;

    mutable List< NodeSet > _temporalOrder_;
  };
 
} /* namespace gum */
 
#include <agrum/ID/influenceDiagram_tpl.h>
 
#endif /* GUM_INF_DIAG_H */