81 lines
1.4 KiB
Go
81 lines
1.4 KiB
Go
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package object
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import (
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"github.com/google/uuid"
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)
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// SplitID is a UUIDv4 used as attribute in split objects.
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type SplitID struct {
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uuid uuid.UUID
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}
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// NewSplitID returns UUID representation of splitID attribute.
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//
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// Defaults:
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// - id: random UUID.
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func NewSplitID() *SplitID {
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return &SplitID{
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uuid: uuid.New(),
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}
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}
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// NewSplitIDFromV2 returns parsed UUID from bytes.
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// If v is invalid UUIDv4 byte sequence, then function returns nil.
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//
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// Nil converts to nil.
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func NewSplitIDFromV2(v []byte) *SplitID {
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if v == nil {
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return nil
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}
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id := uuid.New()
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err := id.UnmarshalBinary(v)
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if err != nil {
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return nil
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}
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return &SplitID{
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uuid: id,
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}
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}
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// Parse converts UUIDv4 string representation into SplitID.
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func (id *SplitID) Parse(s string) (err error) {
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id.uuid, err = uuid.Parse(s)
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if err != nil {
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return err
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}
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return nil
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}
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// String returns UUIDv4 string representation of SplitID.
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func (id *SplitID) String() string {
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if id == nil {
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return ""
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}
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return id.uuid.String()
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}
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// SetUUID sets pre created UUID structure as SplitID.
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func (id *SplitID) SetUUID(v uuid.UUID) {
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if id != nil {
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id.uuid = v
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}
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}
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// ToV2 converts SplitID to a representation of SplitID in neofs-api v2.
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//
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// Nil SplitID converts to nil.
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func (id *SplitID) ToV2() []byte {
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if id == nil {
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return nil
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}
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data, _ := id.uuid.MarshalBinary() // err is always nil
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return data
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}
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