emitter

Documentation

Index

• func Emit(name string, data interface{}) error
• func MatchListeners(path string) []string
• func Off(name string, callback *Callback) error
• func On(event string, callback *Callback) error
• func RemoveListeners(pattern string, callback *Callback) error
• type BaseEvent
  • func (e BaseEvent) GetData() interface{}
  • func (e BaseEvent) GetName() string
• type Callback
  • func NewCallback(fn func(ev Event)) *Callback
• type Event

Functions

func Emit

func Emit(name string, data interface{}) error

Emit an event

func MatchListeners

func MatchListeners(path string) []string

MatchListeners return a list of matching event names replacing * with any char and assuming a namespacing built with dots (.) eg. device_name.uu-id-val

func Off

func Off(name string, callback *Callback) error

Off Removes all callbacks from an event

func On

func On(event string, callback *Callback) error

On registers to an event

func RemoveListeners

func RemoveListeners(pattern string, callback *Callback) error

RemoveListeners drop a list of listeners by event name

Types

type BaseEvent

type BaseEvent struct {
	// contains filtered or unexported fields
}

BaseEvent contains unspecialized information about what happened

func (BaseEvent) GetData

func (e BaseEvent) GetData() interface{}

GetData return the event data

func (BaseEvent) GetName

func (e BaseEvent) GetName() string

GetName return the event name

type Callback

type Callback func(ev Event)

Callback is a function to be invoked when an event happens

func NewCallback

func NewCallback(fn func(ev Event)) *Callback

NewCallback creates a new Callback to be passed to the emitter

type Event

type Event interface {
	GetName() string
	GetData() interface{}
}

Event contains information about what happened