mirror of
https://github.com/oarkflow/mq.git
synced 2025-10-31 15:57:09 +08:00
78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
package main
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import (
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"context"
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"encoding/json"
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"fmt"
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"github.com/oarkflow/mq/v2"
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)
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func handler1(ctx context.Context, task *v2.Task) v2.Result {
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return v2.Result{Payload: task.Payload, Ctx: ctx}
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}
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func handler2(ctx context.Context, task *v2.Task) v2.Result {
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var user map[string]any
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json.Unmarshal(task.Payload, &user)
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return v2.Result{Payload: task.Payload, Ctx: ctx}
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}
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func handler3(ctx context.Context, task *v2.Task) v2.Result {
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var user map[string]any
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json.Unmarshal(task.Payload, &user)
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age := int(user["age"].(float64))
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status := "FAIL"
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if age > 20 {
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status = "PASS"
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}
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user["status"] = status
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resultPayload, _ := json.Marshal(user)
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return v2.Result{Payload: resultPayload, Status: status, Ctx: ctx}
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}
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func handler4(ctx context.Context, task *v2.Task) v2.Result {
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var user map[string]any
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json.Unmarshal(task.Payload, &user)
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user["final"] = "D"
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resultPayload, _ := json.Marshal(user)
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return v2.Result{Payload: resultPayload, Ctx: ctx}
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}
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func handler5(ctx context.Context, task *v2.Task) v2.Result {
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var user map[string]any
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json.Unmarshal(task.Payload, &user)
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user["salary"] = "E"
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resultPayload, _ := json.Marshal(user)
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return v2.Result{Payload: resultPayload, Ctx: ctx}
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}
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func handler6(ctx context.Context, task *v2.Task) v2.Result {
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var user map[string]any
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json.Unmarshal(task.Payload, &user)
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resultPayload, _ := json.Marshal(map[string]any{"storage": user})
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return v2.Result{Payload: resultPayload, Ctx: ctx}
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}
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func main() {
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dag := v2.NewDAG()
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dag.AddNode("A", handler1)
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dag.AddNode("B", handler2)
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dag.AddNode("C", handler3)
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dag.AddNode("D", handler4)
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dag.AddNode("E", handler5)
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dag.AddNode("F", handler6)
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dag.AddEdge("A", "B", v2.LoopEdge)
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dag.AddCondition("C", map[string]string{"PASS": "D", "FAIL": "E"})
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dag.AddEdge("B", "C")
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dag.AddEdge("D", "F")
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dag.AddEdge("E", "F")
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initialPayload, _ := json.Marshal([]map[string]any{
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{"user_id": 1, "age": 12},
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{"user_id": 2, "age": 34},
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})
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rs := dag.ProcessTask(context.Background(), "A", initialPayload)
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fmt.Println(string(rs.Payload))
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}
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