private void RebuildUUIDIndex(LocalObjectContainer file)
		{
			UUIDFieldMetadata uuid = file.UUIDIndex();
			ClassMetadataIterator i = file.ClassCollection().Iterator();
			while (i.MoveNext())
			{
				ClassMetadata clazz = i.CurrentClass();
				if (clazz.GenerateUUIDs())
				{
					uuid.RebuildIndexForClass(file, clazz);
				}
			}
		}