kubernetes/staging/src/k8s.io/apiserver/pkg/storage/api_object_versioner.go

type APIObjectVersioner …

// UpdateObject implements Versioner
func (a APIObjectVersioner) UpdateObject(obj runtime.Object, resourceVersion uint64) error { … }

// UpdateList implements Versioner
func (a APIObjectVersioner) UpdateList(obj runtime.Object, resourceVersion uint64, nextKey string, count *int64) error { … }

// PrepareObjectForStorage clears resourceVersion and selfLink prior to writing to etcd.
func (a APIObjectVersioner) PrepareObjectForStorage(obj runtime.Object) error { … }

// ObjectResourceVersion implements Versioner
func (a APIObjectVersioner) ObjectResourceVersion(obj runtime.Object) (uint64, error) { … }

// ParseResourceVersion takes a resource version argument and converts it to
// the etcd version. For watch we should pass to helper.Watch(). Because resourceVersion is
// an opaque value, the default watch behavior for non-zero watch is to watch
// the next value (if you pass "1", you will see updates from "2" onwards).
func (a APIObjectVersioner) ParseResourceVersion(resourceVersion string) (uint64, error) { … }

var _ …

// CompareResourceVersion compares etcd resource versions.  Outside this API they are all strings,
// but etcd resource versions are special, they're actually ints, so we can easily compare them.
func (a APIObjectVersioner) CompareResourceVersion(lhs, rhs runtime.Object) int { … }