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package quartz
import "time"
// The Timer type represents a single event. When the Timer expires, the current time will be sent
// on C, unless the Timer was created by AfterFunc. A Timer must be created with NewTimer or
// AfterFunc.
type Timer struct {
C <-chan time.Time
//nolint: revive
c chan time.Time
timer *time.Timer // realtime impl, if set
nxt time.Time // next tick time
mock *Mock // mock clock, if set
fn func() // AfterFunc function, if set
stopped bool // True if stopped, false if running
}
func (t *Timer) fire(tt time.Time) {
t.mock.removeTimer(t)
if t.fn != nil {
t.fn()
} else {
t.c <- tt
}
}
func (t *Timer) next() time.Time {
return t.nxt
}
// Stop prevents the Timer from firing. It returns true if the call stops the timer, false if the
// timer has already expired or been stopped. Stop does not close the channel, to prevent a read
// from the channel succeeding incorrectly.
//
// See https://pkg.go.dev/time#Timer.Stop for more information.
func (t *Timer) Stop(tags ...string) bool {
if t.timer != nil {
return t.timer.Stop()
}
t.mock.mu.Lock()
defer t.mock.mu.Unlock()
c := newCall(clockFunctionTimerStop, tags)
t.mock.matchCallLocked(c)
defer close(c.complete)
result := !t.stopped
t.mock.removeTimerLocked(t)
return result
}
// Reset changes the timer to expire after duration d. It returns true if the timer had been active,
// false if the timer had expired or been stopped.
//
// See https://pkg.go.dev/time#Timer.Reset for more information.
func (t *Timer) Reset(d time.Duration, tags ...string) bool {
if t.timer != nil {
return t.timer.Reset(d)
}
t.mock.mu.Lock()
defer t.mock.mu.Unlock()
c := newCall(clockFunctionTimerReset, tags, withDuration(d))
t.mock.matchCallLocked(c)
defer close(c.complete)
result := !t.stopped
select {
case <-t.c:
default:
}
if d <= 0 {
// zero or negative duration timer means we should immediately re-fire
// it, rather than remove and re-add it.
t.stopped = false
go t.fire(t.mock.cur)
return result
}
t.mock.removeTimerLocked(t)
t.stopped = false
t.nxt = t.mock.cur.Add(d)
t.mock.addEventLocked(t)
return result
}
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