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Refactor cached discovery client

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Kubernetes-commit: 2639b75d84cbfb513f90f65de1efb46c50a2fbb6
This commit is contained in:
Dan Mace
2017-06-27 11:31:32 -04:00
committed by Kubernetes Publisher
parent 59eef07b24
commit 9ffde92a64
4 changed files with 358 additions and 1 deletions
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6
discovery/discovery_client.go
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@@ -55,7 +55,11 @@ type DiscoveryInterface interface {
// CachedDiscoveryInterface is a DiscoveryInterface with cache invalidation and freshness.
type CachedDiscoveryInterface interface {
DiscoveryInterface
// Fresh returns true if no cached data was used that had been retrieved before the instantiation.
// Fresh is supposed to tell the caller whether or not to retry if the cache
// fails to find something (false = retry, true = no need to retry).
//
// TODO: this needs to be revisited, this interface can't be locked properly
// and doesn't make a lot of sense.
Fresh() bool
// Invalidate enforces that no cached data is used in the future that is older than the current time.
Invalidate()