protected override void ProcessIdentifiableItems(IIdentifiable identifiable, IObjectNode collection, NodeIndex index)
{
if (propertyGraphDefinition.IsTargetItemObjectReference(collection, index, identifiable))
{
externalReferences.Add(identifiable);
if (!externalReferenceAccessors.TryGetValue(identifiable, out var accessors))
{
externalReferenceAccessors.Add(identifiable, accessors = new List <NodeAccessor>());
}
accessors.Add(CurrentPath.GetAccessor());
}
else
{
internalReferences.Add(identifiable);
}
}
/// <inheritdoc/>
protected override void VisitObjectNode([NotNull] IAssetObjectNode objectNode, int inNonIdentifiableType)
{
if (!objectNode.IsReference)
{
return;
}
foreach (var index in ((IAssetObjectNodeInternal)objectNode).Indices)
{
if (!propertyGraphDefinition.IsTargetItemObjectReference(objectNode, index, objectNode.Retrieve(index)))
{
continue;
}
var itemPath = ConvertPath(CurrentPath, inNonIdentifiableType);
if (CollectionItemIdHelper.HasCollectionItemIds(objectNode.Retrieve()))
{
var itemId = objectNode.IndexToId(index);
itemPath.PushItemId(itemId);
}
else
{
itemPath.PushIndex(index.Value);
}
var value = objectNode.Retrieve(index) as IIdentifiable;
if (value == null)
{
throw new InvalidOperationException("IsObjectReference returned true for an object that is not IIdentifiable");
}
var id = value.Id;
if (ShouldOutputReference?.Invoke(id) ?? true)
{
Result.Set(itemPath, id);
}
}
}
/// <inheritdoc/>
protected override bool ShouldVisitTargetItem(IObjectNode collectionNode, NodeIndex index)
{
return(base.ShouldVisitTargetItem(collectionNode, index) && !PropertyGraphDefinition.IsTargetItemObjectReference(collectionNode, index, collectionNode.Retrieve(index)));
}