structuralConstraintForbiddenArcs.cpp

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#include <agrum/BN/learning/constraints/structuralConstraintForbiddenArcs.h>

#ifdef GUM_NO_INLINE
#  include <agrum/BN/learning/constraints/structuralConstraintForbiddenArcs_inl.h>
#endif /* GUM_NO_INLINE */
 
namespace gum {
 
  namespace learning {

    StructuralConstraintForbiddenArcs::StructuralConstraintForbiddenArcs() {
      GUM_CONSTRUCTOR(StructuralConstraintForbiddenArcs);
    }

    StructuralConstraintForbiddenArcs::StructuralConstraintForbiddenArcs(const DiGraph& graph) {
      setGraph(graph);
      GUM_CONSTRUCTOR(StructuralConstraintForbiddenArcs);
    }

    StructuralConstraintForbiddenArcs::StructuralConstraintForbiddenArcs(
        const StructuralConstraintForbiddenArcs& from) : _forbidden_arcs_(from._forbidden_arcs_) {
      GUM_CONS_CPY(StructuralConstraintForbiddenArcs);
    }

    StructuralConstraintForbiddenArcs::StructuralConstraintForbiddenArcs(
        StructuralConstraintForbiddenArcs&& from) :
        _forbidden_arcs_(std::move(from._forbidden_arcs_)) {
      GUM_CONS_MOV(StructuralConstraintForbiddenArcs);
    }

    StructuralConstraintForbiddenArcs::~StructuralConstraintForbiddenArcs() {
      GUM_DESTRUCTOR(StructuralConstraintForbiddenArcs);
    }

    StructuralConstraintForbiddenArcs& StructuralConstraintForbiddenArcs::operator=(
        const StructuralConstraintForbiddenArcs& from) {
      if (this != &from) { _forbidden_arcs_ = from._forbidden_arcs_; }
      return *this;
    }

    StructuralConstraintForbiddenArcs&
        StructuralConstraintForbiddenArcs::operator=(StructuralConstraintForbiddenArcs&& from) {
      if (this != &from) { _forbidden_arcs_ = std::move(from._forbidden_arcs_); }
      return *this;
    }
 
    bool
        StructuralConstraintForbiddenArcs::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());
 
        case GraphChangeType::ARC_TRIANGLE_DELETION1 :
          return checkArcTriangleDeletion1Alone(change.node1(), change.node2(), change.node3());
 
        case GraphChangeType::ARC_TRIANGLE_DELETION2 :
          return checkArcTriangleDeletion2Alone(change.node1(), change.node2(), change.node3());
 
        default :
          GUM_ERROR(OperationNotAllowed,
                    "Graph change operation "
                        << change.typeAsString()
                        << " is not supported by the Forbidden Arcs structural constraint");
      }
    }
 
    bool StructuralConstraintForbiddenArcs::isAlwaysInvalidAlone(const GraphChange& change) const {
      switch (change.type()) {
        case GraphChangeType::ARC_ADDITION :
          return _forbidden_arcs_.exists(Arc(change.node1(), change.node2()));
 
        case GraphChangeType::ARC_DELETION : return false;
 
        case GraphChangeType::ARC_REVERSAL :
          return _forbidden_arcs_.exists(Arc(change.node2(), change.node1()));
 
        case GraphChangeType::ARC_TRIANGLE_DELETION1 :
          return !checkArcTriangleDeletion1Alone(change.node1(), change.node2(), change.node3());
 
        case GraphChangeType::ARC_TRIANGLE_DELETION2 :
          return !checkArcTriangleDeletion2Alone(change.node1(), change.node2(), change.node3());
 
        default :
          GUM_ERROR(OperationNotAllowed,
                    "Graph change operation "
                        << change.typeAsString()
                        << " is not supported by the Forbidden Arcs structural constraint");
      }
    }
  } /* namespace learning */
 
} /* namespace gum */