structuralConstraintMandatoryArcs_inl.h

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/***************************************************************************
 *   Copyright (C) 2005 by Christophe GONZALES and Pierre-Henri WUILLEMIN  *
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#ifndef DOXYGEN_SHOULD_SKIP_THIS

namespace gum {

  namespace learning {

    INLINE void
       StructuralConstraintMandatoryArcs::setGraphAlone(const DiGraph& graph) {}

    INLINE bool
       StructuralConstraintMandatoryArcs::checkArcAdditionAlone(NodeId x,
                                                                NodeId y) const {
      return true;
    }

    INLINE bool
       StructuralConstraintMandatoryArcs::checkArcDeletionAlone(NodeId x,
                                                                NodeId y) const {
      return !_MandatoryArcs__mandatory_arcs.exists(Arc(x, y));
    }

    INLINE bool
       StructuralConstraintMandatoryArcs::checkArcReversalAlone(NodeId x,
                                                                NodeId y) const {
      return !_MandatoryArcs__mandatory_arcs.exists(Arc(x, y));
    }

    INLINE bool StructuralConstraintMandatoryArcs::checkModificationAlone(
       const ArcAddition& change) const {
      return checkArcAdditionAlone(change.node1(), change.node2());
    }

    INLINE bool StructuralConstraintMandatoryArcs::checkModificationAlone(
       const ArcDeletion& change) const {
      return checkArcDeletionAlone(change.node1(), change.node2());
    }

    INLINE bool StructuralConstraintMandatoryArcs::checkModificationAlone(
       const ArcReversal& change) const {
      return checkArcReversalAlone(change.node1(), change.node2());
    }

    INLINE bool StructuralConstraintMandatoryArcs::checkModificationAlone(
       const GraphChange& change) const {
      switch (change.type()) {
        case GraphChangeType::ARC_ADDITION:
          return checkArcAdditionAlone(change.node1(), change.node2());

        case GraphChangeType::ARC_DELETION:
          return checkArcDeletionAlone(change.node1(), change.node2());

        case GraphChangeType::ARC_REVERSAL:
          return checkArcReversalAlone(change.node1(), change.node2());

        default:
          GUM_ERROR(OperationNotAllowed,
                    "edge modifications are not "
                    "supported by StructuralConstraintMandatoryArcs");
      }
    }

    INLINE void StructuralConstraintMandatoryArcs::modifyGraphAlone(
       const ArcAddition& change) {}

    INLINE void StructuralConstraintMandatoryArcs::modifyGraphAlone(
       const ArcDeletion& change) {}

    INLINE void StructuralConstraintMandatoryArcs::modifyGraphAlone(
       const ArcReversal& change) {}

    INLINE void StructuralConstraintMandatoryArcs::modifyGraphAlone(
       const GraphChange& change) {}

    INLINE bool StructuralConstraintMandatoryArcs::isAlwaysInvalidAlone(
       const GraphChange& change) const {
      switch (change.type()) {
        case GraphChangeType::ARC_ADDITION: return false;

        case GraphChangeType::ARC_DELETION:
          return !checkArcDeletionAlone(change.node1(), change.node2());

        case GraphChangeType::ARC_REVERSAL:
          return !checkArcReversalAlone(change.node1(), change.node2());

        default:
          GUM_ERROR(OperationNotAllowed,
                    "edge modifications are not supported "
                    "by StructuralConstraintMandatoryArcs");
      }
    }

    INLINE void StructuralConstraintMandatoryArcs::setArcs(const ArcSet& set) {
      _MandatoryArcs__mandatory_arcs = set;
    }

    INLINE void StructuralConstraintMandatoryArcs::addArc(const Arc& arc) {
      _MandatoryArcs__mandatory_arcs.insert(arc);
    }

    INLINE void StructuralConstraintMandatoryArcs::eraseArc(const Arc& arc) {
      _MandatoryArcs__mandatory_arcs.erase(arc);
    }

    INLINE const ArcSet& StructuralConstraintMandatoryArcs::arcs() const {
      return _MandatoryArcs__mandatory_arcs;
    }

// include all the methods applicable to the whole class hierarchy
#  define GUM_CONSTRAINT_CLASS_NAME StructuralConstraintMandatoryArcs
#  include <agrum/learning/constraints/structuralConstraintPatternRootInline.h>
#  undef GUM_CONSTRAINT_CLASS_NAME

  } /* namespace learning */

} /* namespace gum */

#endif /* DOXYGEN_SHOULD_SKIP_THIS */