% Copyright (c) 2016, Yuce Tekol <yucetekol@gmail.com>.
% All rights reserved.

% Redistribution and use in source and binary forms, with or without
% modification, are permitted provided that the following conditions are
% met:

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%   notice, this list of conditions and the following disclaimer.

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%   notice, this list of conditions and the following disclaimer in the
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% * The names of its contributors may not be used to endorse or promote
%   products derived from this software without specific prior written
%   permission.

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-module(teacup_registry).

-export([update/2,
         remove/1,
         lookup/1]).

%% == API

update(Key, Value) ->
    true = ets:insert(teacup_registry, {Key, Value}),
    ok.

remove(Key) ->
    true = ets:delete(teacup_registry, Key),
    ok.

lookup(Key) ->
    case ets:lookup(teacup_registry, Key) of
        [] -> not_found;
        [{Key, Pid}] -> {ok, Pid}
    end.