utils

Documentation

Index

• type Observable
  • func NewObservable() Observable
  • func NewThreadSafeObservable() Observable
• type ObserverManager

Types

type Observable

type Observable interface {
	// AddObserver adds a new callback to an observable value.
	AddObserver(observer func(data interface{})) ObserverManager
	// Notify executes all callbacks with provided data.
	Notify(data interface{})
}

Observable allows one to attach an callback which will be called when someone calls the Notify method. It might be for example a change of some property's value.

func NewObservable

func NewObservable() Observable

NewObservable creates an default instance of the Observable type.

func NewThreadSafeObservable

func NewThreadSafeObservable() Observable

NewThreadSafeObservable creates an instance of the Observable type that can be used safely by multiple go-routines.

type ObserverManager

type ObserverManager interface {
	// RemoveObserver removes underlying callback from its Observable value.
	RemoveObserver()
}

ObserverManager allows one to remove its callback from its underlying Observable instance.