uuid

Nov 11, 2021

Changes in this version

+ type IDGenerator interface

+ Next func() (int64, error)

Oct 15, 2021

Changes in this version

+ const DefaultSeqStep

+ const MachineIDBits

+ const MaxRetry

+ const OpTimeout

+ const ReservedFuture

+ const ReservedMicrosoft

+ const ReservedNCS

+ const ReservedRFC4122

+ const SequenceBits

+ const TimeUnitBits

+ const TimeoutSec

+ const TimestampShift

+ const Twepoch

+ const UUIDCollection

+ var ErrCannotPutEtcd = errors.New("cannot put counter to etcd")

+ var ErrIDOutOfRange = errors.New("ID out of range")

+ var ErrNoRowsAffected = errors.New("no rows affected")

+ var NamespaceDNS = ParseHex("6ba7b810-9dad-11d1-80b4-00c04fd430c8")

+ var NamespaceOID = ParseHex("6ba7b812-9dad-11d1-80b4-00c04fd430c8")

+ var NamespaceURL = ParseHex("6ba7b811-9dad-11d1-80b4-00c04fd430c8")

+ var NamespaceX500 = ParseHex("6ba7b814-9dad-11d1-80b4-00c04fd430c8")

+ func Init(workerId uint16, store Storage)

+ func MustCreateGUID() string

+ func NextID() int64

+ func NextUUID() int64

+ type Counter struct

+ Count int64

+ Label string

+ Step int32

+ type EtcdStore struct

+ func (s *EtcdStore) Close() error

+ func (s *EtcdStore) Incr() (int64, error)

+ type MongoStore struct

+ func (s *MongoStore) Close() error

+ func (s *MongoStore) Incr() (int64, error)

+ type MySQLStore struct

+ func (s *MySQLStore) Close() error

+ func (s *MySQLStore) Incr() (int64, error)

+ type RedisStore struct

+ func (s *RedisStore) Close() error

+ func (s *RedisStore) Incr() (int64, error)

+ type SeqID struct

+ func NewSeqID(store Storage, step int32) *SeqID

+ func (s *SeqID) Init() error

+ func (s *SeqID) MustNext() int64

+ func (s *SeqID) Next() (int64, error)

+ type SnowFlake struct

+ func NewSnowFlake(machineId uint16) *SnowFlake

+ func (sf *SnowFlake) Next() int64

+ type Storage interface

+ Close func() error

+ Incr func() (int64, error)

+ func NewEtcdStore(ctx context.Context, cli *clientv3.Client, key string) Storage

+ func NewMongoDBStore(ctx context.Context, uri, db, label string, step int32) Storage

+ func NewMySQLStore(ctx context.Context, dsn, table, label string, step int) Storage

+ func NewRedisStore(ctx context.Context, addr, key string) Storage

+ type UUID [16]byte

+ func NewV3(ns *UUID, name []byte) (u *UUID, err error)

+ func NewV4() (u *UUID, err error)

+ func NewV5(ns *UUID, name []byte) (u *UUID, err error)

+ func Parse(b []byte) (u *UUID, err error)

+ func ParseHex(s string) (u *UUID, err error)

+ func (u *UUID) String() string

+ func (u *UUID) Variant() byte

+ func (u *UUID) Version() uint