% Licensed under the Apache License, Version 2.0 (the "License"); you may not
% use this file except in compliance with the License. You may obtain a copy of
% the License at
%
%   http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software
% distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
% WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
% License for the specific language governing permissions and limitations under
% the License.

-module(couch_replicator_scheduler_sup).

-behaviour(supervisor).

%% public api
-export([
    start_link/0,
    start_child/1,
    terminate_child/1
]).

%% supervisor api
-export([
   init/1
]).


%% includes
-include("couch_replicator.hrl").


%% public functions

start_link() ->
    supervisor:start_link({local, ?MODULE}, ?MODULE, []).


start_child(#rep{} = Rep) ->
    supervisor:start_child(?MODULE, [Rep]).


terminate_child(Pid) ->
    supervisor:terminate_child(?MODULE, Pid).

%% supervisor functions

init(_Args) ->
    Start = {couch_replicator_scheduler_job, start_link, []},
    Restart = temporary, % A crashed job is not entitled to immediate restart.
    Shutdown = 5000,
    Type = worker,
    Modules = [couch_replicator_scheduler_job],

    RestartStrategy = simple_one_for_one,
    MaxR = 10,
    MaxT = 3,

    ChildSpec =
        {undefined, Start, Restart, Shutdown, Type, Modules},
    {ok, {{RestartStrategy, MaxR, MaxT}, [ChildSpec]}}.