scheduler

package
v1.0.64 Latest Latest
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 Go to latest Published: Oct 15, 2022 License: Zlib Imports: 10 Imported by: 1

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Index

Constants

View Source 
const (
	InitState      = State(0)
	RunningState   = State(1)
	PauseState     = State(2)
	CancelState    = State(3)
	CompletedState = State(4)
	TimeoutState   = State(5)
	ErrorState     = State(6)
)

Variables

This section is empty.

Functions

func SetInstance 

func SetInstance(tasks *Tasks)

Types

type CronTrigger 

type CronTrigger struct {
	// contains filtered or unexported fields
}

CronTrigger implements Examples: http://www.quartz-scheduler.org/documentation/quartz-2.3.0/tutorials/tutorial-lesson-06.html {秒数} {分钟} {小时} {日期} {月份} {星期} 1 Seconds (0-59) 2 Minutes (0-59) 3 Hours (0-23) 4 Day-of-Month (1-31) 5 Month (0-11) 6 Day-of-Week(1-7) 7 Year (optional field)

每个符号的意义 * 表示所有值； ? 表示未说明的值，即不关心它为何值； - 表示一个指定的范围； , 表示附加一个可能值； / 符号前表示开始时间，符号后表示每次递增的值

一些cron表达式案例 */5 * * * * ? 每隔5秒执行一次 0 */1 * * * ? 每隔1分钟执行一次 0 0 5-15 * * ? 每天5-15点整点触发 0 0/3 * * * ? 每三分钟触发一次 0 0-5 14 * * ? 在每天下午2点到下午2:05期间的每1分钟触发 0 0/5 14 * * ? 在每天下午2点到下午2:55期间的每5分钟触发 0 0/5 14,18 * * ? 在每天下午2点到2:55期间和下午6点到6:55期间的每5分钟触发 0 0/30 9-17 * * ? 朝九晚五工作时间内每半小时 0 0 10,14,16 * * ? 每天上午10点，下午2点，4点 0 0 12 ? * WED 表示每个星期三中午12点 0 0 17 ? * TUES,THUR,SAT 每周二、四、六下午五点 0 10,44 14 ? 3 WED 每年三月的星期三的下午2:10和2:44触发 0 15 10 ? * MON-FRI 周一至周五的上午10:15触发 0 0 23 L * ? 每月最后一天23点执行一次 0 15 10 L * ? 每月最后一日的上午10:15触发 0 15 10 ? * 6L 每月的最后一个星期五上午10:15触发 0 15 10 * * ? 2005 2005年的每天上午10:15触发 0 15 10 ? * 6L 2002-2005 2002年至2005年的每月的最后一个星期五上午10:15触发 0 15 10 ? * 6#3 每月的第三个星期五上午10:15触发

"30 * * * * ?" 每半分钟触发任务 "30 10 * * * ?" 每小时的10分30秒触发任务 "30 10 1 * * ?" 每天1点10分30秒触发任务 "30 10 1 20 * ?" 每月20号1点10分30秒触发任务 "30 10 1 20 10 ? *" 每年10月20号1点10分30秒触发任务 "30 10 1 20 10 ? 2011" 2011年10月20号1点10分30秒触发任务 "30 10 1 ? 10 * 2011" 2011年10月每天1点10分30秒触发任务 "30 10 1 ? 10 SUN 2011" 2011年10月每周日1点10分30秒触发任务 "15,30,45 * * * * ?" 每15秒，30秒，45秒时触发任务 "15-45 * * * * ?" 15到45秒内，每秒都触发任务 "15/5 * * * * ?" 每分钟的每15秒开始触发，每隔5秒触发一次 "15-30/5 * * * * ?" 每分钟的15秒到30秒之间开始触发，每隔5秒触发一次 "0 0/3 * * * ?" 每小时的第0分0秒开始，每三分钟触发一次 "0 15 10 ? * MON-FRI" 星期一到星期五的10点15分0秒触发任务 "0 15 10 L * ?" 每个月最后一天的10点15分0秒触发任务 "0 15 10 LW * ?" 每个月最后一个工作日的10点15分0秒触发任务 "0 15 10 ? * 5L" 每个月最后一个星期四的10点15分0秒触发任务 "0 15 10 ? * 5#3" 每个月第三周的星期四的10点15分0秒触发任务 五：表达式生成器 有很多的cron表达式在线生成器，这里给大家推荐几款 http://www.pdtools.net/tools/becron.jsp http://cron.qqe2.com/

func NewCronTrigger 

func NewCronTrigger(expr string) (*CronTrigger, error)

NewCronTrigger returns a new CronTrigger using the UTC location.

func (*CronTrigger) Description 

func (ct *CronTrigger) Description() string

Description returns the description of the trigger.

func (*CronTrigger) NextFireTime 

func (ct *CronTrigger) NextFireTime(prev int64) (int64, error)

NextFireTime returns the next time at which the CronTrigger is scheduled to fire.

func (*CronTrigger) WithLocation 

func (ct *CronTrigger) WithLocation(lc *time.Location) *CronTrigger

type Job 

type Job struct {
	JId      string
	JState   State
	JFunc    JobFunc
	JTimeout time.Duration
	JStartAt int64
}

func BuildJob added in v1.0.59 

func BuildJob(jobId string) Job

func NewJob 

func NewJob(jobId string) *Job

func (*Job) Cancel 

func (job *Job) Cancel()

func (*Job) CheckTimeout 

func (job *Job) CheckTimeout() bool

func (*Job) Execute 

func (job *Job) Execute() State

func (*Job) GetKey 

func (job *Job) GetKey() string

func (*Job) GetState 

func (job *Job) GetState() State

func (*Job) IsQuit 

func (job *Job) IsQuit() bool

func (*Job) Pause 

func (job *Job) Pause()

func (*Job) Start 

func (job *Job) Start()

func (*Job) WithCall 

func (job *Job) WithCall(fn JobFunc) *Job

func (*Job) WithTimeOut 

func (job *Job) WithTimeOut(timeout time.Duration) *Job

type JobFunc 

type JobFunc func() (interface{}, error)

type JobResult 

type JobResult struct {
	JId    string
	Result interface{}
	Err    error
}

type OnceTrigger 

type OnceTrigger struct {
	Delay time.Duration
	// contains filtered or unexported fields
}

OnceTrigger implements the quartz.Trigger interface. This type of Trigger can only be fired once and will expire immediately.

func NewOnceTrigger 

func NewOnceTrigger(delay time.Duration) *OnceTrigger

NewOnceTrigger returns a new OnceTrigger with the given delay time.

func (*OnceTrigger) Description 

func (ot *OnceTrigger) Description() string

Description returns the description of the trigger.

func (*OnceTrigger) NextFireTime 

func (ot *OnceTrigger) NextFireTime(prev int64) (int64, error)

NextFireTime returns the next time at which the OnceTrigger is scheduled to fire. Sets exprired to true afterwards.

type Pool 

type Pool struct {
	JobQueue  chan Job
	JobResult chan JobResult
	// contains filtered or unexported fields
}

func NewPool 

func NewPool(numWorkers int, jobQueueLen int) *Pool

func (*Pool) JobDone 

func (p *Pool) JobDone()

func (*Pool) Release 

func (p *Pool) Release()

func (*Pool) WaitAll 

func (p *Pool) WaitAll()

func (*Pool) WaitCount 

func (p *Pool) WaitCount(count int)

type ScheduledJob 

type ScheduledJob struct {
	Trigger     Trigger
	Job         Task
	JobPriority int64
	NextRunTime int64
}

func (*ScheduledJob) GValue 

func (it *ScheduledJob) GValue() interface{}

GValue for implement queue.IPriorityItem

func (*ScheduledJob) PValue 

func (it *ScheduledJob) PValue() int64

PValue for implement queue.IPriorityItem

type ShellJob 

type ShellJob struct {
	Job
	Cmd    string
	Result system.ExecResult
}

func NewShellJob 

func NewShellJob(cmd string) *ShellJob

func (*ShellJob) Execute 

func (job *ShellJob) Execute() State

type SimpleTrigger 

type SimpleTrigger struct {
	Interval time.Duration
}

SimpleTrigger implements the quartz.Trigger interface; uses a fixed interval.

func NewSimpleTrigger 

func NewSimpleTrigger(interval time.Duration) *SimpleTrigger

NewSimpleTrigger returns a new SimpleTrigger using the given interval.

func (*SimpleTrigger) Description 

func (st *SimpleTrigger) Description() string

Description returns the description of the trigger.

func (*SimpleTrigger) NextFireTime 

func (st *SimpleTrigger) NextFireTime(prev int64) (int64, error)

NextFireTime returns the next time at which the SimpleTrigger is scheduled to fire.

type State 

type State int

func (State) Error 

func (s State) Error() string

func (State) IsQuit 

func (s State) IsQuit() bool

func (State) String 

func (s State) String() string

type Task 

type Task interface {
	GetKey() string
	GetState() State
	Execute() State
	Cancel()
	Pause()
	Start()
}

type Tasks 

type Tasks struct {
	// contains filtered or unexported fields
}

func Instance 

func Instance() *Tasks

func NewTasks 

func NewTasks(groupNum uint32) *Tasks

func (*Tasks) AddTask 

func (job *Tasks) AddTask(task Task)

func (*Tasks) AddTriggerTask 

func (job *Tasks) AddTriggerTask(task Task, trigger Trigger) error

func (*Tasks) HasTask 

func (job *Tasks) HasTask(jobId string) bool

func (*Tasks) RemoveTask 

func (job *Tasks) RemoveTask(jobId string)

func (*Tasks) Run 

func (job *Tasks) Run()

func (*Tasks) StopTask 

func (job *Tasks) StopTask(jobId string)

type Trigger 

type Trigger interface {
	// NextFireTime returns the next time at which the Trigger is scheduled to fire.
	NextFireTime(prev int64) (int64, error)

	// Description returns the description of the Trigger.
	Description() string
}

Trigger represents the mechanism by which Jobs are scheduled.

Source Files

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