mirror of
https://github.com/arangodb/kube-arangodb.git
synced 2024-12-14 11:57:37 +00:00
66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
//
|
|
// DISCLAIMER
|
|
//
|
|
// Copyright 2018 ArangoDB GmbH, Cologne, Germany
|
|
//
|
|
// 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.
|
|
//
|
|
// Copyright holder is ArangoDB GmbH, Cologne, Germany
|
|
//
|
|
// Author Ewout Prangsma
|
|
//
|
|
|
|
package util
|
|
|
|
import (
|
|
"time"
|
|
)
|
|
|
|
// Interval is a specialization of Duration so we can add some
|
|
// helper functions to that.
|
|
type Interval time.Duration
|
|
|
|
func (i Interval) String() string {
|
|
return time.Duration(i).String()
|
|
}
|
|
|
|
// ReduceTo returns an interval that is equal to min(x, i).
|
|
func (i Interval) ReduceTo(x Interval) Interval {
|
|
if i < x {
|
|
return i
|
|
}
|
|
return x
|
|
}
|
|
|
|
// IncreaseTo returns an interval that is equal to max(x, i).
|
|
func (i Interval) IncreaseTo(x Interval) Interval {
|
|
if i > x {
|
|
return i
|
|
}
|
|
return x
|
|
}
|
|
|
|
// Backoff returns an interval that is equal to min(i*factor, maxInt).
|
|
func (i Interval) Backoff(factor float64, maxInt Interval) Interval {
|
|
i = Interval(float64(i) * factor)
|
|
if i < maxInt {
|
|
return i
|
|
}
|
|
return maxInt
|
|
}
|
|
|
|
// After waits for the interval to elapse and then sends the current time
|
|
// on the returned channel.
|
|
func (i Interval) After() <-chan time.Time {
|
|
return time.After(time.Duration(i))
|
|
}
|