Description
Goflow is a simply package to control goroutines execution order based on dependencies. It works similar to async.auto from node.js async package, but for Go.
Goflow alternatives and similar packages
Based on the "Goroutines" category
-
semaphore
Semaphore pattern implementation with timeout of lock/unlock operations based on channel and context. -
Hunch
Hunch provides functions like: All, First, Retry, Waterfall etc., that makes asynchronous flow control more intuitive. -
go-tools/multithreading
Manage a pool of goroutines using this lightweight library with a simple API. -
conexec
A concurrent toolkit to help execute funcs concurrently in an efficient and safe way.It supports specifying the overall timeout to avoid blocking and uses goroutine pool to improve efficiency. -
queue
Gives you a sync.WaitGroup like queue group accessibility. Helps you to throttle and limit goroutines, wait for the end of the all goroutines and much more. -
oversight
Oversight is a complete implementation of the Erlang supervision trees.
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README
Goflow
Goflow is a simply package to control goroutines execution order based on dependencies. It works similar to async.auto from node.js async package, but for Go.
Install
Install the package with:
go get github.com/kamildrazkiewicz/go-flow
Import it with:
import "github.com/kamildrazkiewicz/go-flow"
and use goflow as the package name inside the code.
Example
package main
import (
"fmt"
"github.com/kamildrazkiewicz/go-flow"
"time"
)
func main() {
f1 := func(r map[string]interface{}) (interface{}, error) {
fmt.Println("function1 started")
time.Sleep(time.Millisecond * 1000)
return 1, nil
}
f2 := func(r map[string]interface{}) (interface{}, error) {
time.Sleep(time.Millisecond * 1000)
fmt.Println("function2 started", r["f1"])
return "some results", nil
}
f3 := func(r map[string]interface{}) (interface{}, error) {
fmt.Println("function3 started", r["f1"])
return nil, nil
}
f4 := func(r map[string]interface{}) (interface{}, error) {
fmt.Println("function4 started", r)
return nil, nil
}
res, err := goflow.New().
Add("f1", nil, f1).
Add("f2", []string{"f1"}, f2).
Add("f3", []string{"f1"}, f3).
Add("f4", []string{"f2", "f3"}, f4).
Do()
fmt.Println(res, err)
}
Output will be:
function1 started
function3 started 1
function2 started 1
function4 started map[f2:some results f3:<nil>]
map[f1:1 f2:some results f3:<nil> f4:<nil>] <nil>
*Note that all licence references and agreements mentioned in the Goflow README section above
are relevant to that project's source code only.