| % 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. |
| |
| |