structuralConstraintUndiGraph_inl.h

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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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#pragma once
 

#ifndef DOXYGEN_SHOULD_SKIP_THIS
 
namespace gum {
 
  namespace learning {

    INLINE void StructuralConstraintUndiGraph::setGraphAlone(const UndiGraph& graph) {
      _UndiGraph_graph_ = graph;
    }

    INLINE bool StructuralConstraintUndiGraph::checkEdgeAdditionAlone(NodeId x, NodeId y) const {
      return _UndiGraph_graph_.existsNode(x) && _UndiGraph_graph_.existsNode(y)
          && !_UndiGraph_graph_.existsEdge(x, y);
    }

    INLINE bool StructuralConstraintUndiGraph::checkEdgeDeletionAlone(NodeId x, NodeId y) const {
      return _UndiGraph_graph_.existsEdge(x, y);
    }

    INLINE bool
        StructuralConstraintUndiGraph::checkModificationAlone(const EdgeAddition& change) const {
      return checkEdgeAdditionAlone(change.node1(), change.node2());
    }

    INLINE bool
        StructuralConstraintUndiGraph::checkModificationAlone(const EdgeDeletion& change) const {
      return checkEdgeDeletionAlone(change.node1(), change.node2());
    }

    INLINE bool
        StructuralConstraintUndiGraph::checkModificationAlone(const GraphChange& change) const {
      switch (change.type()) {
        case GraphChangeType::EDGE_ADDITION :
          return checkEdgeAdditionAlone(change.node1(), change.node2());
 
        case GraphChangeType::EDGE_DELETION :
          return checkEdgeDeletionAlone(change.node1(), change.node2());
 
        default :
          GUM_ERROR(OperationNotAllowed,
                    "arc modifications are not "
                    "supported by StructuralConstraintUndiGraph");
      }
    }

    INLINE void StructuralConstraintUndiGraph::modifyGraphAlone(const EdgeAddition& change) {
      _UndiGraph_graph_.addEdge(change.node1(), change.node2());
    }

    INLINE void StructuralConstraintUndiGraph::modifyGraphAlone(const EdgeDeletion& change) {
      _UndiGraph_graph_.eraseEdge(Edge(change.node1(), change.node2()));
    }

    INLINE void StructuralConstraintUndiGraph::modifyGraphAlone(const GraphChange& change) {
      switch (change.type()) {
        case GraphChangeType::EDGE_ADDITION :
          modifyGraphAlone(reinterpret_cast< const EdgeAddition& >(change));
          break;
 
        case GraphChangeType::EDGE_DELETION :
          modifyGraphAlone(reinterpret_cast< const EdgeDeletion& >(change));
          break;
 
        default :
          GUM_ERROR(OperationNotAllowed,
                    "arc modifications are not supported "
                    "by StructuralConstraintUndiGraph");
      }
    }

    INLINE bool StructuralConstraintUndiGraph::isAlwaysInvalidAlone(const GraphChange&) const {
      return false;
    }

    INLINE void StructuralConstraintUndiGraph::setGraph(Size nb_nodes) {
      _UndiGraph_graph_.clear();
      for (NodeId i = 0; i < nb_nodes; ++i) {
        _UndiGraph_graph_.addNodeWithId(i);
      }
    }
 
// include all the methods applicable to the whole class hierarchy
#  define GUM_CONSTRAINT_CLASS_NAME StructuralConstraintUndiGraph
#  include <agrum/BN/learning/constraints/structuralConstraintPattern4UndiGraphRootInline.h>
#  undef GUM_CONSTRAINT_CLASS_NAME
 
  } /* namespace learning */
 
} /* namespace gum */
 
#endif /* DOXYGEN_SHOULD_SKIP_THIS */