添加只执行一次的

cmd/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"time"
 
@@ -24,12 +25,57 @@ func main() {
 
 	// re()
 	// d()
-	cluster()
+	// cluster()
+	once()
 
 	select {}
 
 }
 
+func once() {
+	client := getRedis()
+	ctx := context.Background()
+	w := OnceWorker{}
+	one := timerx.InitOnce(ctx, client, "test", w)
+
+	d := OnceData{
+		Num: 1,
+	}
+
+	err := one.Create("test", "test", 1*time.Second, d)
+	if err != nil {
+		fmt.Println(err)
+	}
+
+}
+
+type OnceData struct {
+	Num int
+}
+
+type OnceWorker struct{}
+
+func (l OnceWorker) Worker(ctx context.Context, taskType string, taskId string, attachData interface{}) *timerx.OnceWorkerResp {
+	fmt.Println("执行时间:", time.Now().Format("2006-01-02 15:04:05"))
+	fmt.Println(taskId, taskType)
+	fmt.Println(attachData)
+
+	d := OnceData{}
+
+	by, _ := json.Marshal(attachData)
+	json.Unmarshal(by, &d)
+
+	d.Num++
+
+	fmt.Println(d)
+
+	return &timerx.OnceWorkerResp{
+		Retry:      true,
+		AttachData: d,
+		DelayTime:  1 * time.Second,
+	}
+}
+
 func cluster() {
 	client := getRedis()
 	ctx := context.Background()
@@ -46,35 +92,26 @@ func cluster() {
 
 func worker() {
 	client := getRedis()
-	w := timerx.InitOnce(context.Background(), client, "test", &Worker{})
+	w := timerx.InitOnce(context.Background(), client, "test", &OnceWorker{})
-	w.Add("test", "test", 1*time.Second, map[string]interface{}{
+	w.Save("test", "test", 1*time.Second, map[string]interface{}{
 		"test": "test",
 	})
-	w.Add("test2", "test", 1*time.Second, map[string]interface{}{
+	w.Save("test2", "test", 1*time.Second, map[string]interface{}{
 		"test": "test",
 	})
-	w.Add("test3", "test", 1*time.Second, map[string]interface{}{
+	w.Save("test3", "test", 1*time.Second, map[string]interface{}{
 		"test": "test",
 	})
-	w.Add("test4", "test", 1*time.Second, map[string]interface{}{
+	w.Save("test4", "test", 1*time.Second, map[string]interface{}{
 		"test": "test",
 	})
-	w.Add("test5", "test", 1*time.Second, map[string]interface{}{
+	w.Save("test5", "test", 1*time.Second, map[string]interface{}{
 		"test": "test",
 	})
 
 	select {}
 }
 
-type Worker struct{}
-
-func (w *Worker) Worker(ctx context.Context, jobType string, uniqueKey string, data interface{}) (timerx.WorkerCode, time.Duration) {
-	fmt.Println("执行时间:", time.Now().Format("2006-01-02 15:04:05"))
-	fmt.Println(uniqueKey, jobType)
-	fmt.Println(data)
-	return timerx.WorkerCodeAgain, time.Second
-}
-
 func getRedis() *redis.Client {
 	client := redis.NewClient(&redis.Options{
 		Addr:     "127.0.0.1" + ":" + "6379",

once.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"log"
 	"runtime/debug"
 	"strings"
 	"sync"
@@ -29,12 +28,11 @@ type Once struct {
 	worker  Callback
 }
 
-type WorkerCode int
+type OnceWorkerResp struct {
-
+	Retry      bool // 是否重试 true
-const (
+	DelayTime  time.Duration
-	WorkerCodeSuccess WorkerCode = 0  // 处理完成(不需要重入)
+	AttachData interface{}
-	WorkerCodeAgain   WorkerCode = -1 // 需要继续定时,默认原来的时间
+}
-)
 
 // 需要考虑执行失败重新放入队列的情况
 type Callback interface {
@@ -44,7 +42,7 @@ type Callback interface {
 	// @param data interface{} 任务数据
 	// @return WorkerCode 任务执行结果
 	// @return time.Duration 任务执行时间间隔
-	Worker(ctx context.Context, jobType string, uniTaskId string, attachData interface{}) (WorkerCode, time.Duration)
+	Worker(ctx context.Context, taskType string, taskId string, attachData interface{}) *OnceWorkerResp
 }
 
 var wo *Once = nil
@@ -56,7 +54,7 @@ type extendData struct {
 }
 
 // 初始化
-func InitOnce(ctx context.Context, re *redis.Client, keyPrefix string, call Callback, opts ...Option) *Once {
+func InitOnce(ctx context.Context, re redis.UniversalClient, keyPrefix string, call Callback, opts ...Option) *Once {
 	op := newOptions(opts...)
 	once.Do(func() {
 		wo = &Once{
@@ -74,13 +72,13 @@ func InitOnce(ctx context.Context, re *redis.Client, keyPrefix string, call Call
 	return wo
 }
 
-// 添加任务
+// 添加任务(覆盖)
 // 重复插入就代表覆盖
 // @param jobType string 任务类型
 // @param uniTaskId string 任务唯一标识
 // @param delayTime time.Duration 延迟时间
 // @param attachData interface{} 附加数据
-func (w *Once) Add(jobType string, uniTaskId string, delayTime time.Duration, attachData interface{}) error {
+func (w *Once) Save(taskType string, taskId string, delayTime time.Duration, attachData interface{}) error {
 	if delayTime.Abs() != delayTime {
 		return fmt.Errorf("时间间隔不能为负数")
 	}
@@ -88,7 +86,7 @@ func (w *Once) Add(jobType string, uniTaskId string, delayTime time.Duration, at
 		return fmt.Errorf("时间间隔不能为0")
 	}
 
-	redisKey := fmt.Sprintf("%s[:]%s", jobType, uniTaskId)
+	redisKey := fmt.Sprintf("%s[:]%s", taskType, taskId)
 
 	ed := extendData{
 		Delay: delayTime,
@@ -102,7 +100,7 @@ func (w *Once) Add(jobType string, uniTaskId string, delayTime time.Duration, at
 		return err
 	}
 
-	// 吸入执行时间
+	// 写入执行时间
 	_, err = w.redis.ZAdd(w.ctx, w.zsetKey, &redis.Z{
 		Score:  float64(time.Now().Add(delayTime).UnixMilli()),
 		Member: redisKey,
@@ -111,9 +109,38 @@ func (w *Once) Add(jobType string, uniTaskId string, delayTime time.Duration, at
 	return err
 }
 
+// 添加任务(不覆盖)
+func (l *Once) Create(taskType string, taskId string, delayTime time.Duration, attachData interface{}) error {
+
+	// 判断有序集合Key是否存在，存在则报错，不存在则写入
+	if l.redis.Exists(l.ctx, l.zsetKey).Val() == 0 {
+		redisKey := fmt.Sprintf("%s[:]%s", taskType, taskId)
+		ed := extendData{
+			Delay: delayTime,
+			Data:  attachData,
+		}
+		b, _ := json.Marshal(ed)
+
+		// 写入附加数据
+		_, err := l.redis.SetEX(l.ctx, redisKey, b, delayTime+time.Second*5).Result()
+		if err != nil {
+			return err
+		}
+		_, err = l.redis.ZAdd(l.ctx, l.zsetKey, &redis.Z{
+			Score:  float64(time.Now().Add(delayTime).UnixMilli()),
+			Member: redisKey,
+		}).Result()
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
 // 删除任务
-func (w *Once) Del(jobType string, uniTaskId string) error {
+func (w *Once) Delete(taskType string, taskId string) error {
-	redisKey := fmt.Sprintf("%s[:]%s", jobType, uniTaskId)
+	redisKey := fmt.Sprintf("%s[:]%s", taskType, taskId)
 
 	w.redis.Del(w.ctx, redisKey).Result()
 
@@ -122,6 +149,11 @@ func (w *Once) Del(jobType string, uniTaskId string) error {
 	return nil
 }
 
+// 获取任务
+func (l *Once) Get(taskType string, taskId string) {
+	//
+}
+
 // 获取任务
 func (w *Once) getTask() {
 	timer := time.NewTicker(time.Millisecond * 200)
@@ -153,47 +185,50 @@ func (w *Once) watch() {
 	for {
 		keys, err := w.redis.BLPop(w.ctx, time.Second*10, w.listKey).Result()
 		if err != nil {
-			fmt.Println("watch err:", err)
+			// fmt.Println("watch err:", err)
 			continue
 		}
 
-		go w.doTask(keys[1])
+		ctx := context.WithValue(w.ctx, "trace_id", uuid.NewV4().String())
+
+		go w.doTask(ctx, keys[1])
 
 	}
 }
 
 // 执行任务
-func (w *Once) doTask(key string) {
+func (l *Once) doTask(ctx context.Context, key string) {
+	fmt.Println("任务时间:", time.Now().Format("2006-01-02 15:04:05"))
 	defer func() {
 		if err := recover(); err != nil {
-			fmt.Println("timer:回调任务panic", err)
+			l.logger.Errorf(ctx, "timer:回调任务panic:%s stack:%s", err, string(debug.Stack()))
-			log.Println("errStack", string(debug.Stack()))
 		}
 	}()
 
 	s := strings.Split(key, "[:]")
 
 	// 读取数据
-	str, err := w.redis.Get(w.ctx, key).Result()
+	str, err := l.redis.Get(ctx, key).Result()
 	if err != nil {
-		fmt.Println("execJob err:", err)
+		l.logger.Errorf(ctx, "获取数据失败 err:%s", err)
 		return
 	}
 	ed := extendData{}
 	json.Unmarshal([]byte(str), &ed)
 
-	fmt.Println("开始时间：", time.Now().Format("2006-01-02 15:04:05"))
+	resp := l.worker.Worker(ctx, s[0], s[1], ed.Data)
+	if resp == nil {
+		return
+	}
 
-	ctx := context.WithValue(context.Background(), "trace_id", uuid.NewV4().String)
+	if resp.Retry {
-
-	code, t := w.worker.Worker(ctx, s[0], s[1], ed.Data)
-
-	if code == WorkerCodeAgain {
 		// 重新放入队列
-		fmt.Println("重入时间：", time.Now().Format("2006-01-02 15:04:05"))
+		if resp.DelayTime != 0 && resp.DelayTime == resp.DelayTime.Abs() {
-		if t != 0 && t == t.Abs() {
+			ed.Delay = resp.DelayTime
-			ed.Delay = t
 		}
-		w.Add(s[0], s[1], ed.Delay, ed.Data)
+		ed.Data = resp.AttachData
+		l.logger.Infof(ctx, "任务重新放入队列:%s", key)
+		fmt.Println("重入时间:", time.Now().Format("2006-01-02 15:04:05"))
+		l.Create(s[0], s[1], ed.Delay, ed.Data)
 	}
 }