Files
tidb/br/pkg/checkpoint/ticker.go
2023-04-17 20:55:18 +08:00

46 lines
1.0 KiB
Go

// Copyright 2023 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package checkpoint
import "time"
type TimeTicker interface {
Ch() <-chan time.Time
Stop()
}
type timeTicker struct {
*time.Ticker
}
func (ticker timeTicker) Ch() <-chan time.Time {
return ticker.C
}
type manualTicker struct{}
func (ticker manualTicker) Ch() <-chan time.Time {
return nil
}
func (ticker manualTicker) Stop() {}
func dispatcherTicker(d time.Duration) TimeTicker {
if d > 0 {
return timeTicker{time.NewTicker(d)}
}
return manualTicker{}
}