8000 chore(xstream): optimize stream by goroutine pools by chenquan · Pull Request #42 · chenquan/go-pkg · GitHub
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chore(xstream): optimize stream by goroutine pools #42

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Merged
merged 2 commits into from
Jan 9, 2022
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chore(xstream): optimize stream by goroutine pools #42

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chore(xstream): optimize stream by goroutine pools
chenquan Jan 9, 2022
218e08b
chore(xstream): optimize stream by goroutine pools
chenquan Jan 9, 2022
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37 changes: 22 additions & 15 deletions xstream/xstream.go
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,18 @@ import (
"sync"
)

// empty an empty Stream.
var (
empty *Stream
pool, _ = ants.NewPool(-1)
)

func init() {
source := make(chan interface{})
close(source)
empty = &Stream{source: source}
}

type (
// FilterFunc defines the method to filter a Stream.
FilterFunc func(item interface{}) bool
Expand Down Expand Up @@ -53,25 +65,24 @@ type (
CollectorFunc func(c <-chan interface{})
)

// Input implements Collector.
func (cf CollectorFunc) Input(c <-chan interface{}) {
cf(c)
}

// Stream Represents a stream.
type Stream struct {
source <-chan interface{}
}

// empty an empty Stream.
var empty *Stream
// Input implements Collector.
func (cf CollectorFunc) Input(c <-chan interface{}) {
cf(c)
}

func init() {
source := make(chan interface{})
close(source)
empty = &Stream{source}
// -------------

func startGoroutine(f func()) {
_ = pool.Submit(f)
}

// -------------

// Empty Returns an empty stream.
func Empty() *Stream {
return empty
Expand Down Expand Up @@ -622,7 +633,3 @@ func drain(channel <-chan interface{}) {
func (s *Stream) Collection(collector Collector) {
collector.Input(s.source)
}

func startGoroutine(f func()) {
_ = ants.Submit(f)
}
0