funcNotify¶

func Notify(condCondition, intervaltime.Duration, countdown ...time.Duration) (closeFunc func())

Notify is a convenience function that initializes a new Notifierwith the given condition, interval, and countdown.It is the responsibility of the caller to call close to stop polling.

typeCondition¶

type Condition func(nowtime.Time) (deadlinetime.Time, callback func())

Condition is a function that gets executed with a certain time.

• It should return the deadline for the notification, as well as acallback function to execute once the time to the deadline isless than one of the notify attempts. If deadline is the zerotime, callback will not be executed.
• Callback is executed once for every time the difference between deadlineand the current time is less than an element of countdown.
• To enforce a minimum interval between consecutive callbacks, truncatethe returned deadline to the minimum interval.

typeNotifier¶

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

Notifier calls a Condition at most once for each count in countdown.

func New(condCondition, countdown ...time.Duration) *Notifier

func (n *Notifier) Close()error

func (n *Notifier) Poll(ticker <-chantime.Time)