observer

Documentation

Index

• Constants
• Variables
• type EventFunc
• type Observer
  • func NewObserver() *Observer
  • func (o *Observer) AddString(key string, s *string)
  • func (o *Observer) Start()
  • func (o *Observer) Stop()
  • func (o *Observer) Subscribe(svc chan stringValue)

Constants

const (
	ObserverValueChanged = "Value Changed"
)

Variables

var ObserverRefreshTime = 100 * time.Millisecond

ObserverRefreshTime defines how often the routinge of the observer checks for changes.

Types

type EventFunc

type EventFunc func(event string, sv chan stringValue)

EventFunc is used to define a function which is called when a value changes

type Observer

type Observer struct {
	RefreshTime time.Duration
	// contains filtered or unexported fields
}

Observer watches variables if they change

func NewObserver

func NewObserver() *Observer

NewObserver creates a empty Observer

func (*Observer) AddString

func (o *Observer) AddString(key string, s *string)

AddString to the observer. The key is used to identify that variable, when a event emitts data

func (*Observer) Start

func (o *Observer) Start()

Start to begin watching the varaibles

func (*Observer) Stop

func (o *Observer) Stop()

Stop the observer watching the variables

func (*Observer) Subscribe

func (o *Observer) Subscribe(svc chan stringValue)

Subscribe a func type EventFunc to the observer. All subscribed functions are called, when a event happens