GoToSocial/vendor/github.com/ReneKroon/ttlcache/item.go
tobi 4920229a3b
Database updates (#144)
* start moving some database stuff around

* continue moving db stuff around

* more fiddling

* more updates

* and some more

* and yet more

* i broke SOMETHING but what, it's a mystery

* tidy up

* vendor ttlcache

* use ttlcache

* fix up some tests

* rename some stuff

* little reminder

* some more updates
2021-08-20 12:26:56 +02:00

47 lines
937 B
Go

package ttlcache
import (
"time"
)
const (
// ItemNotExpire Will avoid the item being expired by TTL, but can still be exired by callback etc.
ItemNotExpire time.Duration = -1
// ItemExpireWithGlobalTTL will use the global TTL when set.
ItemExpireWithGlobalTTL time.Duration = 0
)
func newItem(key string, data interface{}, ttl time.Duration) *item {
item := &item{
data: data,
ttl: ttl,
key: key,
}
// since nobody is aware yet of this item, it's safe to touch without lock here
item.touch()
return item
}
type item struct {
key string
data interface{}
ttl time.Duration
expireAt time.Time
queueIndex int
}
// Reset the item expiration time
func (item *item) touch() {
if item.ttl > 0 {
item.expireAt = time.Now().Add(item.ttl)
}
}
// Verify if the item is expired
func (item *item) expired() bool {
if item.ttl <= 0 {
return false
}
return item.expireAt.Before(time.Now())
}