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package revel
type (
// The event type
Event int
// The event response
EventResponse int
// The handler signature
EventHandler func(typeOf Event, value interface{}) (responseOf EventResponse)
)
const (
// Event type when templates are going to be refreshed (receivers are registered template engines added to the template.engine conf option)
TEMPLATE_REFRESH_REQUESTED Event = iota
// Event type when templates are refreshed (receivers are registered template engines added to the template.engine conf option)
TEMPLATE_REFRESH_COMPLETED
// Event type before all module loads, events thrown to handlers added to AddInitEventHandler
// Event type before all module loads, events thrown to handlers added to AddInitEventHandler
REVEL_BEFORE_MODULES_LOADED
// Event type after all module loads, events thrown to handlers added to AddInitEventHandler
REVEL_AFTER_MODULES_LOADED
// Event type before server engine is initialized, receivers are active server engine and handlers added to AddInitEventHandler
ENGINE_BEFORE_INITIALIZED
// Event type before server engine is started, receivers are active server engine and handlers added to AddInitEventHandler
ENGINE_STARTED
// Event raised when the engine is told to shutdown
ENGINE_SHUTDOWN_REQUEST
// Event type after server engine is stopped, receivers are active server engine and handlers added to AddInitEventHandler
ENGINE_SHUTDOWN
// Called before routes are refreshed
ROUTE_REFRESH_REQUESTED
// Called after routes have been refreshed
ROUTE_REFRESH_COMPLETED
// Fired when a panic is caught during the startup process
REVEL_FAILURE
)
// Fires system events from revel
func RaiseEvent(key Event, value interface{}) (response EventResponse) {
utilLog.Info("Raising event", "len", len(initEventList))
for _, handler := range initEventList {
response |= handler(key, value)
}
return
}
// Add event handler to listen for all system events
func AddInitEventHandler(handler EventHandler) {
initEventList = append(initEventList, handler)
return
}