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authornsensfel <SpamShield0@noot-noot.org>2017-11-28 17:14:02 +0100
committernsensfel <SpamShield0@noot-noot.org>2017-11-28 17:14:02 +0100
commitf539b7072c357339328d9bfd54f1f1ed51828586 (patch)
treeb6205dd79c78090831e812aceac177d2a9f35d28 /src/timed_cache.erl
parent80358376b9300a0d73cb8b62dfa9fdd65240ca66 (diff)
Trying to tidy up this mess.
Diffstat (limited to 'src/timed_cache.erl')
-rw-r--r--src/timed_cache.erl85
1 files changed, 0 insertions, 85 deletions
diff --git a/src/timed_cache.erl b/src/timed_cache.erl
deleted file mode 100644
index c86caab..0000000
--- a/src/timed_cache.erl
+++ /dev/null
@@ -1,85 +0,0 @@
--module(timed_cache).
--behavior(gen_server).
-
-%%%% gen_server exports
--export
-(
- [
- init/1,
- handle_cast/2,
- handle_call/3, %% No reply will ever be given.
- terminate/2,
- code_change/3,
- format_status/2,
- handle_info/2
- ]
-).
-
-%%%% actual interface
--export
-(
- [
- fetch/2,
- invalidate/2
- ]
-).
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% LOCAL %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-add_to_cache (DB, ObjectID) ->
- {ok, TimerPID} = gen_server:start(?MODULE, {DB, ObjectID}, []),
- {ok, Data} = database_shim:fetch(DB, ObjectID),
- ets:insert(DB, {ObjectID, TimerPID, Data}),
- Data.
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% EXPORTED %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%%% gen_server
-
-init ({DB, ObjectID}) ->
- {ok, {DB, ObjectID}}.
-
-handle_call (invalidate, _, State) ->
- {stop, normal, State};
-handle_call (ping, _, {DB, ObjectID}) ->
- {noreply, {DB, ObjectID}, timed_caches_manager:get_timeout(DB)}.
-
-handle_cast (invalidate, State) ->
- {stop, normal, State};
-handle_cast (ping, {DB, ObjectID}) ->
- {noreply, {DB, ObjectID}, timed_caches_manager:get_timeout(DB)}.
-
-terminate (_, {DB, ObjectID}) ->
- ets:delete(DB, ObjectID).
-
-code_change (_, State, _) ->
- {ok, State}.
-
-format_status (_, [_, State]) ->
- [{data, [{"State", State}]}].
-
-handle_info(timeout, State) ->
- {stop, normal, State};
-handle_info(_, {DB, ObjectID}) ->
- {noreply, {DB, ObjectID}, timed_caches_manager:get_timeout(DB)}.
-
-%%%% interface
-fetch (DB, ObjectID) ->
- io:format("~nfetch from cache: ~p.~n", [{DB, ObjectID}]),
- case ets:lookup(DB, ObjectID) of
- [] -> add_to_cache(DB, ObjectID);
-
- [{_, TimerPID, Data}] ->
- gen_server:cast(TimerPID, ping),
- Data
- end.
-
-invalidate (DB, ObjectID) ->
- case ets:lookup(DB, ObjectID) of
- [] -> ok;
-
- [{_, TimerPID, _}] ->
- gen_server:stop(TimerPID)
- end.