Files
remark42/backend/vendor/github.com/go-pkgz/repeater/strategy/fixed.go
T
UmputunandGitHub 3520de768d feature/mongo cache (#180)
* add siteID to cache Get

* indirect option setters

* add mongo cache with tests, add Key and Flusher

* lint: minor warns

* workaround for cache parallel test

* repeater in mongo cache

* missing repeater vendor

* fix nop cache

* add cache mongo benchmark

* wired mongo cache, single opts group for mongo

* disable goconst

* stop cache repeated on not found error

* use local mongo for tests in travis
2018-07-24 18:43:53 -04:00

42 lines
849 B
Go

package strategy
import (
"context"
"time"
)
// FixedDelay implements strategy.Interface for fixed intervals up to max repeats
type FixedDelay struct {
repeats int
delay time.Duration
}
// NewFixedDelay makes a Interface
func NewFixedDelay(repeats int, delay time.Duration) Interface {
if repeats == 0 {
repeats = 1
}
result := FixedDelay{repeats: repeats, delay: delay}
return &result
}
// Start returns channel, similar to time.Timer
// then publishing signals to channel ch for retries attempt.
// can be terminated (canceled) via context.
func (s *FixedDelay) Start(ctx context.Context) (ch chan struct{}) {
ch = make(chan struct{})
go func() {
defer close(ch)
for i := 0; i < s.repeats; i++ {
select {
case <-ctx.Done():
return
default:
ch <- struct{}{}
time.Sleep(s.delay)
}
}
}()
return ch
}