public Container VisitContainer(Container container)
{
var idx = 0;
var photoSets = new PhotoSet[container.PhotoSets.Count()];
foreach (var visitor in Visitors)
{
container = visitor.VisitContainerBefore(container);
}
foreach (var photoSet in container.PhotoSets)
{
photoSets[idx++] = VisitPhotoSet(photoSet);
}
container = container.WithPhotoSets(photoSets);
foreach (var visitor in Visitors)
{
container = visitor.VisitContainerAfter(container);
}
return container;
}
