private (IModelGraph, ImmutableDictionary <object, IModelNode>) UpdateNodeCore(
[NotNull] IModelNode updatedNode,
[NotNull] IModelGraph modelGraph,
[NotNull] ImmutableDictionary <object, IModelNode> payloadToModelNodeMap,
[NotNull][ItemNotNull] ICollection <ModelItemEventBase> itemEvents)
{
var oldNode = GetNode(updatedNode.Id);
itemEvents.Add(new ModelNodeUpdatedEvent(oldNode, updatedNode));
if (oldNode.Payload != null)
{
payloadToModelNodeMap = payloadToModelNodeMap.Remove(oldNode.Payload);
}
if (updatedNode.Payload != null)
{
payloadToModelNodeMap = payloadToModelNodeMap.Add(updatedNode.Payload, updatedNode);
}
return(
modelGraph.UpdateVertex(updatedNode),
payloadToModelNodeMap
);
}
public IModel ReplaceNode(IModelNode newNode) => CreateInstance(_graph.UpdateVertex(newNode));
public IModel UpdateNode(IModelNode updatedNode) => CreateInstance(_graph.UpdateVertex(updatedNode));
