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Beego/adapter/toolbox/task.go
Ming Deng 14c1b76569 remove pkg directory;
remove build directory;
remove githook directory;
2020-10-08 18:29:36 +08:00

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// Copyright 2014 beego Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package toolbox
import (
"context"
"sort"
"time"
"github.com/astaxie/beego/task"
)
// The bounds for each field.
var (
AdminTaskList map[string]Tasker
)
const (
// Set the top bit if a star was included in the expression.
starBit = 1 << 63
)
// Schedule time taks schedule
type Schedule task.Schedule
// TaskFunc task func type
type TaskFunc func() error
// Tasker task interface
type Tasker interface {
GetSpec() string
GetStatus() string
Run() error
SetNext(time.Time)
GetNext() time.Time
SetPrev(time.Time)
GetPrev() time.Time
}
// task error
type taskerr struct {
t time.Time
errinfo string
}
// Task task struct
// Deprecated
type Task struct {
// Deprecated
Taskname string
// Deprecated
Spec *Schedule
// Deprecated
SpecStr string
// Deprecated
DoFunc TaskFunc
// Deprecated
Prev time.Time
// Deprecated
Next time.Time
// Deprecated
Errlist []*taskerr // like errtime:errinfo
// Deprecated
ErrLimit int // max length for the errlist, 0 stand for no limit
delegate *task.Task
}
// NewTask add new task with name, time and func
func NewTask(tname string, spec string, f TaskFunc) *Task {
task := task.NewTask(tname, spec, func(ctx context.Context) error {
return f()
})
return &Task{
delegate: task,
}
}
// GetSpec get spec string
func (t *Task) GetSpec() string {
t.initDelegate()
return t.delegate.GetSpec(context.Background())
}
// GetStatus get current task status
func (t *Task) GetStatus() string {
t.initDelegate()
return t.delegate.GetStatus(context.Background())
}
// Run run all tasks
func (t *Task) Run() error {
t.initDelegate()
return t.delegate.Run(context.Background())
}
// SetNext set next time for this task
func (t *Task) SetNext(now time.Time) {
t.initDelegate()
t.delegate.SetNext(context.Background(), now)
}
// GetNext get the next call time of this task
func (t *Task) GetNext() time.Time {
t.initDelegate()
return t.delegate.GetNext(context.Background())
}
// SetPrev set prev time of this task
func (t *Task) SetPrev(now time.Time) {
t.initDelegate()
t.delegate.SetPrev(context.Background(), now)
}
// GetPrev get prev time of this task
func (t *Task) GetPrev() time.Time {
t.initDelegate()
return t.delegate.GetPrev(context.Background())
}
// six columns mean
// second0-59
// minute0-59
// hour1-23
// day1-31
// month1-12
// week0-60 means Sunday
// SetCron some signals
// * any time
// ,  separate signal
//    duration
// /n : do as n times of time duration
// ///////////////////////////////////////////////////////
// 0/30 * * * * * every 30s
// 0 43 21 * * * 21:43
// 0 15 05 * * *    05:15
// 0 0 17 * * * 17:00
// 0 0 17 * * 1 17:00 in every Monday
// 0 0,10 17 * * 0,2,3 17:00 and 17:10 in every Sunday, Tuesday and Wednesday
// 0 0-10 17 1 * * 17:00 to 17:10 in 1 min duration each time on the first day of month
// 0 0 0 1,15 * 1 0:00 on the 1st day and 15th day of month
// 0 42 4 1 * *     4:42 on the 1st day of month
// 0 0 21 * * 1-6   21:00 from Monday to Saturday
// 0 0,10,20,30,40,50 * * * *  every 10 min duration
// 0 */10 * * * *        every 10 min duration
// 0 * 1 * * *         1:00 to 1:59 in 1 min duration each time
// 0 0 1 * * *         1:00
// 0 0 */1 * * *        0 min of hour in 1 hour duration
// 0 0 * * * *         0 min of hour in 1 hour duration
// 0 2 8-20/3 * * *       8:02, 11:02, 14:02, 17:02, 20:02
// 0 30 5 1,15 * *       5:30 on the 1st day and 15th day of month
func (t *Task) SetCron(spec string) {
t.initDelegate()
t.delegate.SetCron(spec)
}
func (t *Task) initDelegate() {
if t.delegate == nil {
t.delegate = &task.Task{
Taskname: t.Taskname,
Spec: (*task.Schedule)(t.Spec),
SpecStr: t.SpecStr,
DoFunc: func(ctx context.Context) error {
return t.DoFunc()
},
Prev: t.Prev,
Next: t.Next,
ErrLimit: t.ErrLimit,
}
}
}
// Next set schedule to next time
func (s *Schedule) Next(t time.Time) time.Time {
return (*task.Schedule)(s).Next(t)
}
// StartTask start all tasks
func StartTask() {
task.StartTask()
}
// StopTask stop all tasks
func StopTask() {
task.StopTask()
}
// AddTask add task with name
func AddTask(taskname string, t Tasker) {
task.AddTask(taskname, &oldToNewAdapter{delegate: t})
}
// DeleteTask delete task with name
func DeleteTask(taskname string) {
task.DeleteTask(taskname)
}
// ClearTask clear all tasks
func ClearTask() {
task.ClearTask()
}
// MapSorter sort map for tasker
type MapSorter task.MapSorter
// NewMapSorter create new tasker map
func NewMapSorter(m map[string]Tasker) *MapSorter {
newTaskerMap := make(map[string]task.Tasker, len(m))
for key, value := range m {
newTaskerMap[key] = &oldToNewAdapter{
delegate: value,
}
}
return (*MapSorter)(task.NewMapSorter(newTaskerMap))
}
// Sort sort tasker map
func (ms *MapSorter) Sort() {
sort.Sort(ms)
}
func (ms *MapSorter) Len() int { return len(ms.Keys) }
func (ms *MapSorter) Less(i, j int) bool {
if ms.Vals[i].GetNext(context.Background()).IsZero() {
return false
}
if ms.Vals[j].GetNext(context.Background()).IsZero() {
return true
}
return ms.Vals[i].GetNext(context.Background()).Before(ms.Vals[j].GetNext(context.Background()))
}
func (ms *MapSorter) Swap(i, j int) {
ms.Vals[i], ms.Vals[j] = ms.Vals[j], ms.Vals[i]
ms.Keys[i], ms.Keys[j] = ms.Keys[j], ms.Keys[i]
}
func init() {
AdminTaskList = make(map[string]Tasker)
}
type oldToNewAdapter struct {
delegate Tasker
}
func (o *oldToNewAdapter) GetSpec(ctx context.Context) string {
return o.delegate.GetSpec()
}
func (o *oldToNewAdapter) GetStatus(ctx context.Context) string {
return o.delegate.GetStatus()
}
func (o *oldToNewAdapter) Run(ctx context.Context) error {
return o.delegate.Run()
}
func (o *oldToNewAdapter) SetNext(ctx context.Context, t time.Time) {
o.delegate.SetNext(t)
}
func (o *oldToNewAdapter) GetNext(ctx context.Context) time.Time {
return o.delegate.GetNext()
}
func (o *oldToNewAdapter) SetPrev(ctx context.Context, t time.Time) {
o.delegate.SetPrev(t)
}
func (o *oldToNewAdapter) GetPrev(ctx context.Context) time.Time {
return o.delegate.GetPrev()
}