private IModelGraph RemoveNodeCore(
ModelNodeId nodeId,
[NotNull] IModelGraph modelGraph,
[NotNull][ItemNotNull] ICollection <ModelItemEventBase> itemEvents)
{
var oldNode = GetNode(nodeId);
itemEvents.Add(new ModelNodeRemovedEvent(oldNode));
return(modelGraph.RemoveVertex(nodeId));
}
private (IModelGraph, ImmutableDictionary <object, IModelNode>) RemoveNodeCore(
ModelNodeId nodeId,
[NotNull] IModelGraph modelGraph,
[NotNull] ImmutableDictionary <object, IModelNode> payloadToModelNodeMap,
[NotNull][ItemNotNull] ICollection <ModelItemEventBase> itemEvents)
{
var oldNode = GetNode(nodeId);
itemEvents.Add(new ModelNodeRemovedEvent(oldNode));
return(
modelGraph.RemoveVertex(nodeId),
oldNode.Payload == null
? payloadToModelNodeMap
: payloadToModelNodeMap.Remove(oldNode.Payload)
);
}
public IModel RemoveNode(ModelNodeId nodeId) => CreateInstance(_graph.RemoveVertex(nodeId));
