blob: 68cba43988ac1b743b977d0c6464c90f31b3b8f6 [file] [log] [blame]
% 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_index_event_sup).
-export([start_link/3]).
-export([stop/1]).
%% internal gen_server callbacks
-export([init/1, terminate/2, handle_call/3, handle_cast/2,
handle_info/2,code_change/3]).
start_link(EventMgr, EventHandler, Args) ->
gen_server:start_link(?MODULE, {EventMgr, EventHandler, Args}, []).
stop(Pid) ->
gen_server:cast(Pid, stop).
init({EventMgr, EventHandler, Args}) ->
case gen_event:add_sup_handler(EventMgr, EventHandler, Args) of
ok ->
{ok, {EventMgr, EventHandler}};
{stop, Error} ->
{stop, Error}
end.
handle_call(_Whatever, _From, State) ->
{ok, State}.
handle_cast(stop, State) ->
{stop, normal, State}.
handle_info({gen_event_EXIT, _Handler, Reason}, State) ->
{stop, Reason, State}.
code_change(_OldVsn, State, _Extra) ->
{ok, State}.
terminate(_Reason, _State) ->
ok.