1// Copyright (c) 2021 Uber Technologies, Inc. 2// 3// Permission is hereby granted, free of charge, to any person obtaining a copy 4// of this software and associated documentation files (the "Software"), to deal 5// in the Software without restriction, including without limitation the rights 6// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7// copies of the Software, and to permit persons to whom the Software is 8// furnished to do so, subject to the following conditions: 9// 10// The above copyright notice and this permission notice shall be included in 11// all copies or substantial portions of the Software. 12// 13// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19// THE SOFTWARE. 20 21package zapcore 22 23import ( 24 "time" 25) 26 27// DefaultClock is the default clock used by Zap in operations that require 28// time. This clock uses the system clock for all operations. 29var DefaultClock = systemClock{} 30 31// Clock is a source of time for logged entries. 32type Clock interface { 33 // Now returns the current local time. 34 Now() time.Time 35 36 // NewTicker returns *time.Ticker that holds a channel 37 // that delivers "ticks" of a clock. 38 NewTicker(time.Duration) *time.Ticker 39} 40 41// systemClock implements default Clock that uses system time. 42type systemClock struct{} 43 44func (systemClock) Now() time.Time { 45 return time.Now() 46} 47 48func (systemClock) NewTicker(duration time.Duration) *time.Ticker { 49 return time.NewTicker(duration) 50} 51