public RemoveVertexResult <TVertex, TEdge> RemoveVertex(TVertex vertex)
{
bool vertexWasRemoved;
TEdge[] edgesOfRemovedVertex;
lock (SyncRoot)
{
edgesOfRemovedVertex = Graph.GetAllEdges(vertex).ToArray();
vertexWasRemoved = Graph.RemoveVertex(vertex);
}
if (!vertexWasRemoved)
{
return(RemoveVertexResult <TVertex, TEdge> .Empty);
}
foreach (var edge in edgesOfRemovedVertex)
{
EdgeRemoved?.Invoke(edge);
}
VertexRemoved?.Invoke(vertex);
return(new RemoveVertexResult <TVertex, TEdge>(vertex, edgesOfRemovedVertex));
}
public IImmutableBidirectionalGraph <TVertex, TVertexId, TEdge, TEdgeId> RemoveVertex(TVertexId vertexId)
{
EnsureVertexId(vertexId);
var updatedVertices = _vertices.Remove(vertexId);
var updatedEdges = _edges.RemoveRange(_graph.GetAllEdges(vertexId).Select(i => i.Id));
var updatedGraph = CloneAndMutateGraph(i => i.RemoveVertex(vertexId));
return(CreateInstance(updatedVertices, updatedEdges, updatedGraph));
}
