David K. Bainbridge | 528b318 | 2017-01-23 08:51:59 -0800 | [diff] [blame] | 1 | // Copyright 2015 Canonical Ltd. |
| 2 | // Licensed under the LGPLv3, see LICENCE file for details. |
| 3 | |
| 4 | package clock |
| 5 | |
| 6 | import ( |
| 7 | "time" |
| 8 | ) |
| 9 | |
| 10 | // WallClock exposes wall-clock time via the Clock interface. |
| 11 | var WallClock wallClock |
| 12 | |
| 13 | // ensure that WallClock does actually implement the Clock interface. |
| 14 | var _ Clock = WallClock |
| 15 | |
| 16 | // WallClock exposes wall-clock time as returned by time.Now. |
| 17 | type wallClock struct{} |
| 18 | |
| 19 | // Now is part of the Clock interface. |
| 20 | func (wallClock) Now() time.Time { |
| 21 | return time.Now() |
| 22 | } |
| 23 | |
| 24 | // After implements Clock.After. |
| 25 | func (wallClock) After(d time.Duration) <-chan time.Time { |
| 26 | return time.After(d) |
| 27 | } |
| 28 | |
| 29 | // AfterFunc implements Clock.AfterFunc. |
| 30 | func (wallClock) AfterFunc(d time.Duration, f func()) Timer { |
| 31 | return wallTimer{time.AfterFunc(d, f)} |
| 32 | } |
| 33 | |
| 34 | // NewTimer implements Clock.NewTimer. |
| 35 | func (wallClock) NewTimer(d time.Duration) Timer { |
| 36 | return wallTimer{time.NewTimer(d)} |
| 37 | } |
| 38 | |
| 39 | // wallTimer implements the Timer interface. |
| 40 | type wallTimer struct { |
| 41 | *time.Timer |
| 42 | } |
| 43 | |
| 44 | // Chan implements Timer.Chan. |
| 45 | func (t wallTimer) Chan() <-chan time.Time { |
| 46 | return t.C |
| 47 | } |