partialOrderedEliminationSequenceStrategy.h

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#ifndef GUM_PARTIAL_ORDERED_ELIMINATION_SEQUENCE_STRATEGY_H
#define GUM_PARTIAL_ORDERED_ELIMINATION_SEQUENCE_STRATEGY_H

#include <agrum/core/list.h>
#include <agrum/graphs/algorithms/triangulations/eliminationStrategies/eliminationSequenceStrategy.h>

namespace gum {

  class PartialOrderedEliminationSequenceStrategy
      : public EliminationSequenceStrategy {
    public:
    // ############################################################################
    // ############################################################################

    virtual ~PartialOrderedEliminationSequenceStrategy();

    virtual PartialOrderedEliminationSequenceStrategy* newFactory() const = 0;

    virtual PartialOrderedEliminationSequenceStrategy* copyFactory() const = 0;



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


    virtual bool setGraph(UndiGraph* graph, const NodeProperty< Size >* dom_sizes);


    virtual bool setPartialOrder(const List< NodeSet >* subsets);

    virtual void clear();

    const List< NodeSet >* partialOrder() const noexcept;


    bool isPartialOrderNeeded() const noexcept;



    protected:
    const List< NodeSet >* _subsets{nullptr};

    List< NodeSet >::const_iterator _subset_iter;

    NodeSet _nodeset;

    bool _partial_order_needed{true};



    bool _isPartialOrderNeeded(const List< NodeSet >* subsets) const;


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

    PartialOrderedEliminationSequenceStrategy();


    PartialOrderedEliminationSequenceStrategy(
       UndiGraph*                  graph,
       const NodeProperty< Size >* dom_sizes,
       const List< NodeSet >*      subsets);

    PartialOrderedEliminationSequenceStrategy(
       const PartialOrderedEliminationSequenceStrategy&);

    PartialOrderedEliminationSequenceStrategy(
       PartialOrderedEliminationSequenceStrategy&&);

  };

} /* namespace gum */


#ifndef GUM_NO_INLINE
#  include <agrum/graphs/algorithms/triangulations/eliminationStrategies/partialOrderedEliminationSequenceStrategy_inl.h>
#endif   // GUM_NOINLINE


#endif /* GUM_PARTIAL_ORDERED_ELIMINATION_SEQUENCE_STRATEGY_H */