uid

Documentation

Index

• Constants
• type UidGenerator
  • func NewDefaultIdGenerator(instanceID int) (*UidGenerator, error)
  • func NewIdGenerator(start, end int64) (*UidGenerator, error)
  • func (idg *UidGenerator) Next() (id int64, err error)
• type UidGeneratorMng
  • func GetUidGeneratorMng() *UidGeneratorMng
  • func (m *UidGeneratorMng) GetIdg(key string) *UidGenerator
  • func (m *UidGeneratorMng) Register(key string, start, end int64)

Constants

const (
	BaseTs    = 1530687318000 //2018/7/4 14:55:18
	SeqLen    = 12
	WorkerLen = 10

	WorkerMask = 1<<WorkerLen - 1
	SeqMask    = 1<<SeqLen - 1

	TsShift   = SeqLen + WorkerLen
	SeqShift  = WorkerLen
	MaxWorkId = 1<<WorkerLen - 1
	MaxSeq    = 1<<SeqLen - 1
)

Types

type UidGenerator

type UidGenerator struct {
	// contains filtered or unexported fields
}

func NewDefaultIdGenerator

func NewDefaultIdGenerator(instanceID int) (*UidGenerator, error)

func NewIdGenerator

func NewIdGenerator(start, end int64) (*UidGenerator, error)

func (*UidGenerator) Next

func (idg *UidGenerator) Next() (id int64, err error)

type UidGeneratorMng

type UidGeneratorMng struct {
	// contains filtered or unexported fields
}

func GetUidGeneratorMng

func GetUidGeneratorMng() *UidGeneratorMng

func (*UidGeneratorMng) GetIdg

func (m *UidGeneratorMng) GetIdg(key string) *UidGenerator

func (*UidGeneratorMng) Register

func (m *UidGeneratorMng) Register(key string, start, end int64)