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package main
import (
"fmt"
"sync"
"github.com/Shugyousha/stasher/work"
)
type Input interface {
Start() chan *work.Work
}
type Filter interface {
Filter(*work.Work) *work.Work
}
type Output interface {
Output(*work.Work)
}
type Manager struct {
Input Input
Filter Filter
Output Output
}
func (m *Manager) Run() {
var wg sync.WaitGroup
ic := m.Input.Start()
for w := range ic {
wg.Add(1)
go func(w *work.Work) {
nw := m.Filter.Filter(w)
err := nw.Error()
if err != nil {
fmt.Printf("Got an error when processing Work: %q\n", err)
}
m.Output.Output(nw)
wg.Done()
}(w)
}
wg.Wait()
}
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