74 lines
1.2 KiB
Go
74 lines
1.2 KiB
Go
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package main
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import (
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"fmt"
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"time"
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"gopkg.in/go-playground/pool.v3"
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)
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func main() {
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p := pool.NewLimited(10)
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defer p.Close()
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user := p.Queue(getUser(13))
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other := p.Queue(getOtherInfo(13))
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user.Wait()
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if err := user.Error(); err != nil {
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// handle error
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}
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// do stuff with user
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username := user.Value().(string)
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fmt.Println(username)
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other.Wait()
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if err := other.Error(); err != nil {
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// handle error
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}
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// do stuff with other
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otherInfo := other.Value().(string)
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fmt.Println(otherInfo)
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}
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func getUser(id int) pool.WorkFunc {
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return func(wu pool.WorkUnit) (interface{}, error) {
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// simulate waiting for something, like TCP connection to be established
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// or connection from pool grabbed
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time.Sleep(time.Second * 1)
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if wu.IsCancelled() {
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// return values not used
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return nil, nil
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}
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// ready for processing...
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return "Joeybloggs", nil
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}
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}
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func getOtherInfo(id int) pool.WorkFunc {
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return func(wu pool.WorkUnit) (interface{}, error) {
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// simulate waiting for something, like TCP connection to be established
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// or connection from pool grabbed
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time.Sleep(time.Second * 1)
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if wu.IsCancelled() {
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// return values not used
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return nil, nil
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}
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// ready for processing...
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return "Other Info", nil
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}
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}
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