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paopao-ce/internal/events/jobs.go

111 lines
2.0 KiB

// Copyright 2023 ROC. All rights reserved.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package events
import (
"github.com/robfig/cron/v3"
)
var (
_defaultJobManager JobManager = (*jobManager)(nil)
)
type (
EntryID = cron.EntryID
)
// JobFn job help function that implement cron.Job interface
type JobFn func()
func (fn JobFn) Run() {
fn()
}
// Job job interface
type Job interface {
cron.Schedule
cron.Job
}
type simpleJob struct {
cron.Schedule
cron.Job
}
// JobManager job manger interface
type JobManager interface {
Start()
Stop()
Remove(id EntryID)
Schedule(Job) EntryID
}
type jobManager struct {
m *cron.Cron
}
func (j *jobManager) Start() {
j.m.Start()
}
func (j *jobManager) Stop() {
j.m.Stop()
}
// Remove an entry from being run in the future.
func (j *jobManager) Remove(id EntryID) {
j.m.Remove(id)
}
// Schedule adds a Job to the Cron to be run on the given schedule.
// The job is wrapped with the configured Chain.
func (j *jobManager) Schedule(job Job) EntryID {
return j.m.Schedule(job, job)
}
func initJobManager() {
_defaultJobManager = &jobManager{
m: cron.New(),
}
StartJobManager()
}
func StartJobManager() {
_defaultJobManager.Start()
}
func StopJobManager() {
_defaultJobManager.Stop()
}
// NewJob create new Job instance
func NewJob(s cron.Schedule, fn JobFn) Job {
return &simpleJob{
Schedule: s,
Job: fn,
}
}
// RemoveJob an entry from being run in the future.
func RemoveJob(id EntryID) {
_defaultJobManager.Remove(id)
}
// ScheduleJob adds a Job to the Cron to be run on the given schedule.
// The job is wrapped with the configured Chain.
func ScheduleJob(job Job) EntryID {
return _defaultJobManager.Schedule(job)
}
// Schedule adds a Job to the Cron to be run on the given schedule.
// The job is wrapped with the configured Chain.
func Schedule(s cron.Schedule, fn JobFn) EntryID {
job := &simpleJob{
Schedule: s,
Job: fn,
}
return _defaultJobManager.Schedule(job)
}