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%UniqueIdFactory % A helper class that generates unique IDs using a combination of tempname % and a local ID count. % % This will generate string IDs. % Copyright 2015 The MathWorks, Inc. classdef (Sealed) UniqueIdFactory < handle properties (SetAccess = immutable) % The name to attach to all generated IDs. Name; end properties (SetAccess = private) % The number of IDs generated by this object. NumIds = 0; end methods % The main constructor. function obj = UniqueIdFactory(name) [~, randomString] = fileparts(tempname); obj.Name = sprintf('%s_%s', name, randomString); end % Generate a new ID. function id = nextId(obj) obj.NumIds = obj.NumIds + 1; id = sprintf('%s_%i', obj.Name, obj.NumIds); end end end