vendor/github.com/mitchellh/cli/ui_concurrent.go

   1 package cli
   2
   3 import (
   4         "sync"
   5 )
   6
   7 // ConcurrentUi is a wrapper around a Ui interface (and implements that
   8 // interface) making the underlying Ui concurrency safe.
   9 type ConcurrentUi struct {
  10         Ui Ui
  11         l  sync.Mutex
  12 }
  13
  14 func (u *ConcurrentUi) Ask(query string) (string, error) {
  15         u.l.Lock()
  16         defer u.l.Unlock()
  17
  18         return u.Ui.Ask(query)
  19 }
  20
  21 func (u *ConcurrentUi) AskSecret(query string) (string, error) {
  22         u.l.Lock()
  23         defer u.l.Unlock()
  24
  25         return u.Ui.AskSecret(query)
  26 }
  27
  28 func (u *ConcurrentUi) Error(message string) {
  29         u.l.Lock()
  30         defer u.l.Unlock()
  31
  32         u.Ui.Error(message)
  33 }
  34
  35 func (u *ConcurrentUi) Info(message string) {
  36         u.l.Lock()
  37         defer u.l.Unlock()
  38
  39         u.Ui.Info(message)
  40 }
  41
  42 func (u *ConcurrentUi) Output(message string) {
  43         u.l.Lock()
  44         defer u.l.Unlock()
  45
  46         u.Ui.Output(message)
  47 }
  48
  49 func (u *ConcurrentUi) Warn(message string) {
  50         u.l.Lock()
  51         defer u.l.Unlock()
  52
  53         u.Ui.Warn(message)
  54 }