Ejemplo n.º 1
0
Archivo: ws.go Proyecto: pbochis/api
func ktoi(key *datastore.Key) id {
	return id{
		kind:      key.Kind(),
		stringID:  key.StringID(),
		intID:     key.IntID(),
		appID:     key.AppID(),
		namespace: key.Namespace(),
	}
}
Ejemplo n.º 2
0
func buildDatastoreKey(key *datastore.Key) (map[string]bigquery.JsonValue, error) {
	if key == nil {
		return map[string]bigquery.JsonValue{
			"namespace": "",
			"app":       "",
			"path":      "",
			"kind":      "",
			"name":      "",
			"id":        0,
		}, nil
	}

	var workKey = key
	var keys []*datastore.Key
	keys = append(keys, key)
	for {
		if workKey.Parent() == nil {
			break
		}
		keys = append(keys, workKey.Parent())
		workKey = workKey.Parent()
	}

	var buf bytes.Buffer
	for i := len(keys) - 1; i >= 0; i-- {
		if buf.Len() > 0 {
			_, err := buf.WriteString(", ")
			if err != nil {
				return map[string]bigquery.JsonValue{}, nil
			}
		}

		key := keys[i]
		if len(key.StringID()) < 1 {
			_, err := buf.WriteString(fmt.Sprintf(`"%s", "%s"`, keys[i].Kind(), keys[i].IntID()))
			if err != nil {
				return map[string]bigquery.JsonValue{}, nil
			}
		} else {
			_, err := buf.WriteString(fmt.Sprintf(`"%s", "%s"`, keys[i].Kind(), keys[i].StringID()))
			if err != nil {
				return map[string]bigquery.JsonValue{}, nil
			}
		}
	}

	return map[string]bigquery.JsonValue{
		"namespace": key.Namespace(),
		"app":       key.AppID(),
		"path":      buf.String(),
		"kind":      key.Kind(),
		"name":      key.StringID(),
		"id":        key.IntID(),
	}, nil
}
Ejemplo n.º 3
0
// cmpKey compares k and other, returning -1, 0 or 1 if k is
// less than, equal or grather than other. The algorithm doesn't
// takes into account any ancestors in the two keys. The order
// of comparision is AppID, Kind, IntID and StringID. Keys with
// integer identifiers are smaller than string identifiers.
func cmpKey(k, other *datastore.Key) int {
	if k == other {
		return 0
	}
	if r := cmpStr(k.AppID(), other.AppID()); r != 0 {
		return r
	}
	if r := cmpStr(k.Kind(), other.Kind()); r != 0 {
		return r
	}
	if k.IntID() != 0 {
		if other.IntID() == 0 {
			return -1
		}
		return cmpInt(k.IntID(), other.IntID())
	}
	if other.IntID() != 0 {
		return 1
	}
	return cmpStr(k.StringID(), other.StringID())
}
Ejemplo n.º 4
0
// dsR2F (DS real-to-fake) converts an SDK Key to a ds.Key
func dsR2F(k *datastore.Key) *ds.Key {
	if k == nil {
		return nil
	}
	aid := k.AppID()
	ns := k.Namespace()

	count := 0
	for nk := k; nk != nil; nk = nk.Parent() {
		count++
	}

	toks := make([]ds.KeyTok, count)

	for ; k != nil; k = k.Parent() {
		count--
		toks[count].Kind = k.Kind()
		toks[count].StringID = k.StringID()
		toks[count].IntID = k.IntID()
	}
	return ds.NewKeyToks(aid, ns, toks)
}