Golang KeyValue.ModRevisionの例

コード例 #1

ファイル: watchable_store.go プロジェクト: youtube/doorman

// kvsToEvents gets all events for the watchers from all key-value pairs
func kvsToEvents(wg *watcherGroup, revs, vals [][]byte) (evs []storagepb.Event) {
	for i, v := range vals {
		var kv storagepb.KeyValue
		if err := kv.Unmarshal(v); err != nil {
			log.Panicf("storage: cannot unmarshal event: %v", err)
		}

		if !wg.contains(string(kv.Key)) {
			continue
		}

		ty := storagepb.PUT
		if isTombstone(revs[i]) {
			ty = storagepb.DELETE
			// patch in mod revision so watchers won't skip
			kv.ModRevision = bytesToRev(revs[i]).main
		}
		evs = append(evs, storagepb.Event{Kv: &kv, Type: ty})
	}
	return evs
}

コード例 #2

ファイル: watchable_store.go プロジェクト: lebauce/skydive

// kvsToEvents gets all events for the watchers from all key-value pairs
func kvsToEvents(revs, vals [][]byte, wsk watcherSetByKey, pfxs map[string]struct{}) (evs []storagepb.Event) {
	for i, v := range vals {
		var kv storagepb.KeyValue
		if err := kv.Unmarshal(v); err != nil {
			log.Panicf("storage: cannot unmarshal event: %v", err)
		}

		k := string(kv.Key)
		if _, ok := wsk.getSetByKey(k); !ok && !matchPrefix(k, pfxs) {
			continue
		}

		ty := storagepb.PUT
		if isTombstone(revs[i]) {
			ty = storagepb.DELETE
			// patch in mod revision so watchers won't skip
			kv.ModRevision = bytesToRev(revs[i]).main
		}
		evs = append(evs, storagepb.Event{Kv: &kv, Type: ty})
	}
	return evs
}