| package apid |
| |
| type EventSelector string |
| |
| type Event interface{} |
| |
| type EventHandler interface { |
| Handle(event Event) |
| } |
| |
| type EventHandlerFunc func(event Event) |
| |
| type EventsService interface { |
| // publish an event to the selector |
| Emit(selector EventSelector, event Event) |
| |
| // when an event matching selector occurs, run the provided handler |
| Listen(selector EventSelector, handler EventHandler) |
| |
| // when an event matching selector occurs, run the provided handler function |
| ListenFunc(selector EventSelector, handler EventHandlerFunc) |
| |
| // remove a listener |
| StopListening(selector EventSelector, handler EventHandler) |
| |
| // shut it down |
| Close() |
| } |
| |
| const EventDeliveredSelector EventSelector = "event delivered" |
| |
| type EventDeliveryEvent struct { |
| Description string |
| Selector EventSelector |
| Event Event |
| } |
