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event.clock.go
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event.clock.go
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package elio
import "time"
// Clock clock
type Clock struct {
alarmMap map[string]Alarm
prev time.Time
}
// NewClock new clock
func NewClock() *Clock {
c := new(Clock)
if nil != c {
c.alarmMap = make(map[string]Alarm)
}
c.prev = time.Now()
return c
}
// Register regiseter alarm
func (c *Clock) Register(name string, alarm Alarm) bool {
_, ok := c.alarmMap[name]
if ok {
return false
}
c.alarmMap[name] = alarm
return true
}
// RegisterWithTime regiseter alarm with time
func (c *Clock) RegisterWithTime(name string, alarm Alarm, t time.Time) bool {
_, ok := c.alarmMap[name]
if ok {
return false
}
c.alarmMap[name] = alarm
c.prev = t
return true
}
// Unregister unregister alarm
func (c *Clock) Unregister(name string) bool {
_, ok := c.alarmMap[name]
if ok {
delete(c.alarmMap, name)
}
return ok
}
// UnregisterAll unregister all alarm
func (c *Clock) UnregisterAll() {
for n := range c.alarmMap {
delete(c.alarmMap, n)
}
}
// Reset reset
func (c *Clock) Reset(name string) bool {
a, ok := c.alarmMap[name]
if ok {
a.Reset()
}
return ok
}
// Update update
func (c *Clock) Update(t time.Time) {
delta := t.Sub(c.prev)
for n, a := range c.alarmMap {
if true == a.Check(t, delta) {
if false == a.Ring(n, t, c) {
delete(c.alarmMap, n)
}
}
}
c.prev = t
}
// Count count
func (c *Clock) Count() int {
return len(c.alarmMap)
}