private IModelGraph RemoveRelationshipCore(
ModelRelationshipId relationshipId,
[NotNull] IModelGraph modelGraph,
[NotNull][ItemNotNull] ICollection <ModelItemEventBase> itemEvents)
{
var oldRelationship = GetRelationship(relationshipId);
itemEvents.Add(new ModelRelationshipRemovedEvent(oldRelationship));
return(modelGraph.RemoveEdge(relationshipId));
}
private (IModelGraph, ImmutableDictionary <object, IModelRelationship>) RemoveRelationshipCore(
ModelRelationshipId relationshipId,
[NotNull] IModelGraph modelGraph,
[NotNull] ImmutableDictionary <object, IModelRelationship> payloadToModelRelationshipMap,
[NotNull][ItemNotNull] ICollection <ModelItemEventBase> itemEvents)
{
var oldRelationship = GetRelationship(relationshipId);
itemEvents.Add(new ModelRelationshipRemovedEvent(oldRelationship));
return(
modelGraph.RemoveEdge(relationshipId),
oldRelationship.Payload == null
? payloadToModelRelationshipMap
: payloadToModelRelationshipMap.Remove(oldRelationship.Payload)
);
}
public IModel RemoveRelationship(ModelRelationshipId relationshipId) => CreateInstance(_graph.RemoveEdge(relationshipId));
