Home > Article > Backend Development > Case (III) - KisFlow-Golang Stream Real- Application of KisFlow in Multi-Goroutines
Github: https://github.com/aceld/kis-flow
Document: https://github.com/aceld/kis-flow/wiki
Part1-OverView
Part2.1-Project Construction / Basic Modules
Part2.2-Project Construction / Basic Modules
Part3-Data Stream
Part4-Function Scheduling
Part5-Connector
Part6-Configuration Import and Export
Part7-KisFlow Action
Part8-Cache/Params Data Caching and Data Parameters
Part9-Multiple Copies of Flow
Part10-Prometheus Metrics Statistics
Part11-Adaptive Registration of FaaS Parameter Types Based on Reflection
Case1-Quick Start
Case2-Flow Parallel Operation
Case3-Application of KisFlow in Multi-Case (III) - KisFlow-Golang Stream Real- Application of KisFlow in Multi-Goroutines
Case4-KisFlow in Message Queue (MQ) Applications
$go get github.com/aceld/kis-flow
KisFlow Developer Documentation
https://github.com/aceld/kis-flow-usage/tree/main/6-flow_in_goroutines
If you need the same Flow to run concurrently in multiple Case (III) - KisFlow-Golang Stream Real- Application of KisFlow in Multi-Goroutines, you can use the flow.Fork() function to clone a Flow instance with isolated memory but the same configuration. Each Flow instance can then be executed in different Case (III) - KisFlow-Golang Stream Real- Application of KisFlow in Multi-Goroutines to compute their respective data streams.
package main import ( "context" "fmt" "github.com/aceld/kis-flow/file" "github.com/aceld/kis-flow/kis" "sync" ) func main() { ctx := context.Background() // Get a WaitGroup var wg sync.WaitGroup // Load Configuration from file if err := file.ConfigImportYaml("conf/"); err != nil { panic(err) } // Get the flow flow1 := kis.Pool().GetFlow("CalStuAvgScore") if flow1 == nil { panic("flow1 is nil") } // Fork the flow flowClone1 := flow1.Fork(ctx) // Add to WaitGroup wg.Add(2) // Run Flow1 go func() { defer wg.Done() // Submit a string _ = flow1.CommitRow(`{"stu_id":101, "score_1":100, "score_2":90, "score_3":80}`) // Submit a string _ = flow1.CommitRow(`{"stu_id":1001, "score_1":100, "score_2":70, "score_3":60}`) // Run the flow if err := flow1.Run(ctx); err != nil { fmt.Println("err: ", err) } }() // Run FlowClone1 go func() { defer wg.Done() // Submit a string _ = flowClone1.CommitRow(`{"stu_id":201, "score_1":100, "score_2":90, "score_3":80}`) // Submit a string _ = flowClone1.CommitRow(`{"stu_id":2001, "score_1":100, "score_2":70, "score_3":60}`) if err := flowClone1.Run(ctx); err != nil { fmt.Println("err: ", err) } }() // Wait for Case (III) - KisFlow-Golang Stream Real- Application of KisFlow in Multi-Goroutines to finish wg.Wait() fmt.Println("All flows completed.") return } func init() { // Register functions kis.Pool().FaaS("VerifyStu", VerifyStu) kis.Pool().FaaS("AvgStuScore", AvgStuScore) kis.Pool().FaaS("PrintStuAvgScore", PrintStuAvgScore) }
In this code snippet, we start two Case (III) - KisFlow-Golang Stream Real- Application of KisFlow in Multi-Goroutines to run Flow1 and its clone (FlowClone1) concurrently to calculate the final average scores for students 101, 1001, 201, and 2001.
Author: Aceld
GitHub: https://github.com/aceld
KisFlow Open Source Project Address: https://github.com/aceld/kis-flow
Document: https://github.com/aceld/kis-flow/wiki
Part1-OverView
Part2.1-Project Construction / Basic Modules
Part2.2-Project Construction / Basic Modules
Part3-Data Stream
Part4-Function Scheduling
Part5-Connector
Part6-Configuration Import and Export
Part7-KisFlow Action
Part8-Cache/Params Data Caching and Data Parameters
Part9-Multiple Copies of Flow
Part10-Prometheus Metrics Statistics
Part11-Adaptive Registration of FaaS Parameter Types Based on Reflection
Case1-Quick Start
Case2-Flow Parallel Operation
Case3-Application of KisFlow in Multi-Case (III) - KisFlow-Golang Stream Real- Application of KisFlow in Multi-Goroutines
Case4-KisFlow in Message Queue (MQ) Applications
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