64 lines
1.5 KiB
Go
64 lines
1.5 KiB
Go
package service
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import (
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"log"
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"sync"
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"time"
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"github.com/zeromicro/go-zero/core/collection"
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)
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// TimingWheelService wraps go-zero's TimingWheel for task scheduling
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type TimingWheelService struct {
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tw *collection.TimingWheel
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stopOnce sync.Once
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}
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// NewTimingWheelService creates a new TimingWheelService instance
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func NewTimingWheelService() *TimingWheelService {
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// 1 second tick, 3600 slots = supports up to 1 hour delay
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// execute function: runs func() type tasks
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tw, err := collection.NewTimingWheel(1*time.Second, 3600, func(key, value any) {
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if fn, ok := value.(func()); ok {
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fn()
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}
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})
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if err != nil {
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panic(err)
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}
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return &TimingWheelService{tw: tw}
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}
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// Start starts the timing wheel
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func (s *TimingWheelService) Start() {
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log.Println("[TimingWheel] Started (auto-start by go-zero)")
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}
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// Stop stops the timing wheel
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func (s *TimingWheelService) Stop() {
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s.stopOnce.Do(func() {
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s.tw.Stop()
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log.Println("[TimingWheel] Stopped")
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})
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}
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// Schedule schedules a one-time task
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func (s *TimingWheelService) Schedule(name string, delay time.Duration, fn func()) {
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_ = s.tw.SetTimer(name, fn, delay)
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}
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// ScheduleRecurring schedules a recurring task
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func (s *TimingWheelService) ScheduleRecurring(name string, interval time.Duration, fn func()) {
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var schedule func()
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schedule = func() {
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fn()
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_ = s.tw.SetTimer(name, schedule, interval)
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}
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_ = s.tw.SetTimer(name, schedule, interval)
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}
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// Cancel cancels a scheduled task
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func (s *TimingWheelService) Cancel(name string) {
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_ = s.tw.RemoveTimer(name)
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}
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