barrenNodesFinder.h

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/***************************************************************************
 *   Copyright (C) 2005 by Christophe GONZALES et Pierre-Henri WUILLEMIN   *
 *   {prenom.nom}_at_lip6.fr                                               *
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 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
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 *   This program is distributed in the hope that it will be useful,       *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
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 *   Free Software Foundation, Inc.,                                       *
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 ***************************************************************************/
#ifndef GUM_BARREN_NODES_FINDER_H
#define GUM_BARREN_NODES_FINDER_H


#include <agrum/BN/BayesNet.h>
#include <agrum/agrum.h>
#include <agrum/graphs/DAG.h>
#include <agrum/graphs/cliqueGraph.h>


namespace gum {


  class BarrenNodesFinder {
    public:
    // ############################################################################
    // ############################################################################

    explicit BarrenNodesFinder(const DAG* dag);

    BarrenNodesFinder(const BarrenNodesFinder& from);

    BarrenNodesFinder(BarrenNodesFinder&& from) noexcept;

    ~BarrenNodesFinder();



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

    BarrenNodesFinder& operator=(const BarrenNodesFinder& from);

    BarrenNodesFinder& operator=(BarrenNodesFinder&& from);



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

    void setDAG(const DAG* new_dag);

    void setEvidence(const NodeSet* observed_nodes);

    void setTargets(const NodeSet* target_nodes);

    NodeSet barrenNodes();

    ArcProperty< NodeSet > barrenNodes(const CliqueGraph& junction_tree);

    template < typename GUM_SCALAR >
    ArcProperty< Set< const Potential< GUM_SCALAR >* > >
       barrenPotentials(const CliqueGraph&             junction_tree,
                        const IBayesNet< GUM_SCALAR >& bn);


    private:
    const DAG* __dag;

    const NodeSet* __observed_nodes;

    const NodeSet* __target_nodes;
  };


} /* namespace gum */


#ifndef GUM_NO_INLINE
#  include <agrum/BN/algorithms/barrenNodesFinder_inl.h>
#endif   // GUM_NO_INLINE


#include <agrum/BN/algorithms/barrenNodesFinder_tpl.h>


#endif /* GUM_BARREN_NODES_FINDER_H */