[erlang-questions] Erlang way for process-as-library?
Tue Feb 6 02:17:29 CET 2007
Thanks for all the advice -- I've decided to provide a start and
start_link function, and let the user decide how to start the library
up, documenting very carefully that the user *must* start the library
before calling its functions.
Now, the next question I have is: is there an Erlang way to forbid
"ordinary users" from calling the server's callback functions
directly (e.g. init, terminate, and so on), while allowing gen_server
access to them? The problem is that my exports for my library look
% Public functions
-export([start_link/0, start/0, getBlockRange/1, getCategoryRange/1]).
% gen_server callbacks
-export([init/1, handle_call/3, handle_cast/2, terminate/2]).
Do I really have to rely on a user's goodwill not to call the
callbacks directly for whatever nefarious reason? :)
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