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DalmatinerDB query engine

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dqe src dqe_app.erl
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src/dqe_app.erl 

%%%-------------------------------------------------------------------

%%% @author Heinz Nikolaus Gies <heinz@licenser.net>

%%% @copyright (C) 2016, Heinz Nikolaus Gies

%%% @doc

%%%

%%% @end

%%% Created :  9 May 2016 by Heinz Nikolaus Gies <heinz@licenser.net>

%%%-------------------------------------------------------------------

-module(dqe_app).



-behaviour(application).



%% Application callbacks

-export([start/2, stop/1]).



%%%===================================================================

%%% Application callbacks

%%%===================================================================



%%--------------------------------------------------------------------

%% @private

%% @doc

%% This function is called whenever an application is started using

%% application:start/[1,2], and should start the processes of the

%% application. If the application is structured according to the OTP

%% design principles as a supervision tree, this means starting the

%% top supervisor of the tree.

%%

%% @spec start(StartType, StartArgs) -> {ok, Pid} |

%%                                      {ok, Pid, State} |

%%                                      {error, Reason}

%%      StartType = normal | {takeover, Node} | {failover, Node}

%%      StartArgs = term()

%% @end

%%--------------------------------------------------------------------

start(_StartType, _StartArgs) ->

    case dqe_sup:start_link() of

        {ok, Pid} ->

            _ = dqe_idx:init(),

            {ok, Pid};

        Error ->

            Error

    end.



%%--------------------------------------------------------------------

%% @private

%% @doc

%% This function is called whenever an application has stopped. It

%% is intended to be the opposite of Module:start/2 and should do

%% any necessary cleaning up. The return value is ignored.

%%

%% @spec stop(State) -> void()

%% @end

%%--------------------------------------------------------------------

stop(_State) ->

    ok.



%%%===================================================================

%%% Internal functions

%%%===================================================================