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Code Issues Releases Wiki Activity

Progress: Add function that is called on Start()

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This commit is contained in:
Alexander Neumann 2015-03-22 14:19:16 +01:00
parent f2df072f48
commit 702cf3c2ff
1 changed files with 10 additions and 4 deletions
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14
progress.go
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@ -7,6 +7,7 @@ import (
)
type Progress struct {
OnStart func()
OnUpdate ProgressFunc
OnDone ProgressFunc
fnM sync.Mutex
@ -32,10 +33,11 @@ type Stat struct {
type ProgressFunc func(s Stat, runtime time.Duration, ticker bool)
// NewProgress returns a new progress reporter. After Start() has been called,
// the function OnUpdate is called when new data arrives or at least every d
// interval. The function OnDone is called when Done() is called. Both
// functions are called synchronously and can use shared state.
// NewProgress returns a new progress reporter. When Start() called, the
// function OnStart is executed once. Afterwards the function OnUpdate is
// called when new data arrives or at least every d interval. The function
// OnDone is called when Done() is called. Both functions are called
// synchronously and can use shared state.
func NewProgress(d time.Duration) *Progress {
return &Progress{d: d}
}
@ -53,6 +55,10 @@ func (p *Progress) Start() {
p.start = time.Now()
p.c = time.NewTicker(p.d)
if p.OnStart != nil {
p.OnStart()
}
go p.reporter()
}