add dynamic register

README.md

@@ -2,9 +2,7 @@
 
 Cronlib is easy golang crontab library, support parse crontab and schedule cron jobs.
 
-**tks**
-
-cron_parser.go import https://github.com/robfig/cron/blob/master/parser.go , thank @robfig
+cron_parser.go import `https://github.com/robfig/cron/blob/master/parser.go`, thank @robfig
 
 ## Feature
 
@@ -18,44 +16,74 @@ cron_parser.go import https://github.com/robfig/cron/blob/master/parser.go , tha
 
 ## Usage
 
+see more [example](github.com/rfyiamcool/example)
+
 ### quick run
 
 ```go
-func run() error {
-	cron := cronlib.New()
+package main
 
-	specList := map[string]string{
-		"risk.scan.total.1s":       "*/1 * * * * *",
-		"risk.scan.total.2s":       "*/2 * * * * *",
-		"risk.scan.total.3s":       "*/3 * * * * *",
-		"risk.scan.total.4s":       "*/4 * * * * *",
-		"risk.scan.total.5s.to.3s": "*/5 * * * * *",
+import (
+	"log"
+
+	"github.com/rfyiamcool/cronlib"
+)
+
+var (
+	cron = cronlib.New()
+)
+
+func main() {
+	handleClean()
+	go start()
+
+	// cron already start, dynamic add job
+	handleBackup()
+
+	select {}
 }
 
-	for srv, spec := range specList {
-		tspec := spec // copy
-		ssrv := srv   // copy
+func start() {
+	cron.Start()
+	cron.Wait()
+}
 
-		// create job
+func handleClean() {
 	job, err := cronlib.NewJobModel(
-			spec,
+		"*/5 * * * * *",
 		func() {
-				stdout(ssrv, tspec)
+			pstdout("do clean gc action")
 		},
 	)
 	if err != nil {
 		panic(err.Error())
 	}
 
-		// register srvName -> job
-		err = cron.Register(srv, job)
+	err = cron.Register("clean", job)
 	if err != nil {
 		panic(err.Error())
 	}
 }
 
-	cron.Start()
-	cron.Wait()
+func handleBackup() {
+	job, err := cronlib.NewJobModel(
+		"*/5 * * * * *",
+		func() {
+			pstdout("do backup action")
+		},
+	)
+	if err != nil {
+		panic(err.Error())
+	}
+
+	err = cron.DynamicRegister("backup", job)
+	if err != nil {
+		panic(err.Error())
+	}
+}
+
+func pstdout(srv string) {
+	log.Println(srv)
 }
 ```
 

example/easy/easy.go

@@ -0,0 +1,64 @@
+package main
+
+import (
+	"log"
+
+	"github.com/rfyiamcool/cronlib"
+)
+
+var (
+	cron = cronlib.New()
+)
+
+func main() {
+	handleClean()
+	go start()
+
+	// dynamic add
+	handleBackup()
+
+	select {}
+}
+
+func start() {
+	cron.Start()
+	cron.Wait()
+}
+
+func handleClean() {
+	job, err := cronlib.NewJobModel(
+		"*/5 * * * * *",
+		func() {
+			pstdout("do clean gc action")
+		},
+	)
+	if err != nil {
+		panic(err.Error())
+	}
+
+	err = cron.Register("clean", job)
+	if err != nil {
+		panic(err.Error())
+	}
+}
+
+func handleBackup() {
+	job, err := cronlib.NewJobModel(
+		"*/5 * * * * *",
+		func() {
+			pstdout("do backup action")
+		},
+	)
+	if err != nil {
+		panic(err.Error())
+	}
+
+	err = cron.DynamicRegister("backup", job)
+	if err != nil {
+		panic(err.Error())
+	}
+}
+
+func pstdout(srv string) {
+	log.Println(srv)
+}

scheduler.go

@@ -75,6 +75,11 @@ func (c *CronSchduler) UpdateJobModel(srv string, model *JobModel) error {
 	return c.reset(srv, model, false, true)
 }
 
+// DynamicRegister - after cronlib already run, dynamic add a job, the job autostart by cronlib.
+func (c *CronSchduler) DynamicRegister(srv string, model *JobModel) error {
+	return c.reset(srv, model, false, true)
+}
+
 // reset - reset srv model
 func (c *CronSchduler) reset(srv string, model *JobModel, denyReplace, autoStart bool) error {
 	c.Lock()