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%% This Source Code Form is subject to the terms of the Mozilla Public
%% License, v. 2.0. If a copy of the MPL was not distributed with this
%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
%%
%% Copyright (c) 2007-2020 VMware, Inc. or its affiliates. All rights reserved.
%%
-module(rabbit_sup).
-behaviour(supervisor).
-export([start_link/0, start_child/1, start_child/2, start_child/3, start_child/4,
start_supervisor_child/1, start_supervisor_child/2,
start_supervisor_child/3,
start_restartable_child/1, start_restartable_child/2,
start_delayed_restartable_child/1, start_delayed_restartable_child/2,
stop_child/1]).
-export([init/1]).
-include("rabbit.hrl").
-define(SERVER, ?MODULE).
%%----------------------------------------------------------------------------
-spec start_link() -> rabbit_types:ok_pid_or_error().
start_link() -> supervisor:start_link({local, ?SERVER}, ?MODULE, []).
-spec start_child(atom()) -> 'ok'.
start_child(Mod) -> start_child(Mod, []).
-spec start_child(atom(), [any()]) -> 'ok'.
start_child(Mod, Args) -> start_child(Mod, Mod, Args).
-spec start_child(atom(), atom(), [any()]) -> 'ok'.
start_child(ChildId, Mod, Args) ->
child_reply(supervisor:start_child(
?SERVER,
{ChildId, {Mod, start_link, Args},
transient, ?WORKER_WAIT, worker, [Mod]})).
-spec start_child(atom(), atom(), atom(), [any()]) -> 'ok'.
start_child(ChildId, Mod, Fun, Args) ->
child_reply(supervisor:start_child(
?SERVER,
{ChildId, {Mod, Fun, Args},
transient, ?WORKER_WAIT, worker, [Mod]})).
-spec start_supervisor_child(atom()) -> 'ok'.
start_supervisor_child(Mod) -> start_supervisor_child(Mod, []).
-spec start_supervisor_child(atom(), [any()]) -> 'ok'.
start_supervisor_child(Mod, Args) -> start_supervisor_child(Mod, Mod, Args).
-spec start_supervisor_child(atom(), atom(), [any()]) -> 'ok'.
start_supervisor_child(ChildId, Mod, Args) ->
child_reply(supervisor:start_child(
?SERVER,
{ChildId, {Mod, start_link, Args},
transient, infinity, supervisor, [Mod]})).
-spec start_restartable_child(atom()) -> 'ok'.
start_restartable_child(M) -> start_restartable_child(M, [], false).
-spec start_restartable_child(atom(), [any()]) -> 'ok'.
start_restartable_child(M, A) -> start_restartable_child(M, A, false).
-spec start_delayed_restartable_child(atom()) -> 'ok'.
start_delayed_restartable_child(M) -> start_restartable_child(M, [], true).
-spec start_delayed_restartable_child(atom(), [any()]) -> 'ok'.
start_delayed_restartable_child(M, A) -> start_restartable_child(M, A, true).
start_restartable_child(Mod, Args, Delay) ->
Name = list_to_atom(atom_to_list(Mod) ++ "_sup"),
child_reply(supervisor:start_child(
?SERVER,
{Name, {rabbit_restartable_sup, start_link,
[Name, {Mod, start_link, Args}, Delay]},
transient, infinity, supervisor, [rabbit_restartable_sup]})).
-spec stop_child(atom()) -> rabbit_types:ok_or_error(any()).
stop_child(ChildId) ->
case supervisor:terminate_child(?SERVER, ChildId) of
ok -> supervisor:delete_child(?SERVER, ChildId);
E -> E
end.
init([]) -> {ok, {{one_for_all, 0, 1}, []}}.
%%----------------------------------------------------------------------------
child_reply({ok, _}) -> ok;
child_reply(X) -> X.
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