| % 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_event). |
| |
| -export([ |
| notify/2 |
| ]). |
| |
| -export([ |
| listen/4, |
| link_listener/4, |
| stop_listener/1 |
| ]). |
| |
| -export([ |
| register/2, |
| register_many/2, |
| register_all/1, |
| unregister/1 |
| ]). |
| |
| |
| -define(SERVER, couch_event_server). |
| |
| |
| notify(DbName, Event) -> |
| gen_server:cast(?SERVER, {notify, DbName, Event}). |
| |
| |
| listen(Module, Function, State, Options) -> |
| couch_event_listener_mfa:enter_loop(Module, Function, State, Options). |
| |
| |
| link_listener(Module, Function, State, Options) -> |
| couch_event_listener_mfa:start_link(Module, Function, State, Options). |
| |
| |
| stop_listener(Pid) -> |
| couch_event_listener_mfa:stop(Pid). |
| |
| |
| register(Pid, DbName) -> |
| gen_server:call(?SERVER, {register, Pid, [DbName]}). |
| |
| |
| register_many(Pid, DbNames) when is_list(DbNames) -> |
| gen_server:call(?SERVER, {register, Pid, DbNames}). |
| |
| |
| register_all(Pid) -> |
| gen_server:call(?SERVER, {register, Pid, [all_dbs]}). |
| |
| |
| unregister(Pid) -> |
| gen_server:call(?SERVER, {unregister, Pid}). |