mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-05 05:18:52 +08:00
62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
|
|
//
|
|
// 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 retry
|
|
|
|
import "time"
|
|
|
|
type config struct {
|
|
attempts uint
|
|
sleep time.Duration
|
|
maxSleepTime time.Duration
|
|
}
|
|
|
|
func newDefaultConfig() *config {
|
|
return &config{
|
|
attempts: uint(10),
|
|
sleep: 200 * time.Millisecond,
|
|
maxSleepTime: 3 * time.Second,
|
|
}
|
|
}
|
|
|
|
// Option is used to config the retry function.
|
|
type Option func(*config)
|
|
|
|
// Attempts is used to config the max retry times.
|
|
func Attempts(attempts uint) Option {
|
|
return func(c *config) {
|
|
c.attempts = attempts
|
|
}
|
|
}
|
|
|
|
// Sleep is used to config the initial interval time of each execution.
|
|
func Sleep(sleep time.Duration) Option {
|
|
return func(c *config) {
|
|
c.sleep = sleep
|
|
// ensure max retry interval is always larger than retry interval
|
|
if c.sleep*2 > c.maxSleepTime {
|
|
c.maxSleepTime = 2 * c.sleep
|
|
}
|
|
}
|
|
}
|
|
|
|
// MaxSleepTime is used to config the max interval time of each execution.
|
|
func MaxSleepTime(maxSleepTime time.Duration) Option {
|
|
return func(c *config) {
|
|
// ensure max retry interval is always larger than retry interval
|
|
if c.sleep*2 > maxSleepTime {
|
|
c.maxSleepTime = 2 * c.sleep
|
|
} else {
|
|
c.maxSleepTime = maxSleepTime
|
|
}
|
|
}
|
|
}
|