module ConfigManager
	class ToggleIdentityMap
		@thread_map = {}

		class << self
			def reset_id_map
				@thread_map[Thread.current.object_id] = {}
			end

			def id_map
				@thread_map[Thread.current.object_id] ||= {}
			end

			def value(key)
				id_map[key] ||= yield
			end
		end
	end
end