// Start computation of a workflow of 'length' order dependent functions.
// This simple example creates a list of numbers [0:length].
// Assertions:
// (1) Being run asynchronously.
// (2) d.Start() has already been called.
func ExampleDaisyChain(length, id int, out [][]int, d *dispatch.Dispatch, cb *ChannelBucket, wg *sync.WaitGroup) {
var (
c1 = cb.Retain()
c2 = cb.Retain()
)
c1.InsertToken()
wg.Add(length)
for i := 0; i < length; i++ {
d.Enqueue(dispatch.NewTask(DaisyLink(ExampleDaisyFunc(id, i, &(out[id])), c1, c2, cb, wg)))
c1 = c2
c2 = cb.Retain()
time.Sleep(opt.chaindelay)
}
wg.Done()
}
func (w *Walker) VisitFile(path string, info *os.FileInfo) {
var f = func(id int64) {
//log.Print("stating %s", path)
var stat, err = os.Stat(path)
if err != nil {
panic(err)
}
time.Sleep(stdDelay)
w.lock.Lock()
w.sizes = append(w.sizes, stat.Size)
w.paths = append(w.paths, path)
w.lock.Unlock()
w.wg.Done()
}
w.wg.Add(1)
w.gq.Enqueue(dispatch.NewTask(f))
}