snowflake

README

Based on tiwtter algorithm snowflake github.com/twitter/snowflake in golang

License

MIT Licence

Documentation

Index

• Constants
• Variables
• func DefaultWorkId() uint32
• type SnowFlake
  • func Default() (*SnowFlake, error)
  • func NewSnowFlake(workerId uint32) (*SnowFlake, error)
  • func (sf *SnowFlake) Next() (uint64, error)

Constants

const (
	WorkerIdBits = 10              // worker id
	MaxWorkerId  = -1 ^ (-1 << 10) // worker id mask
	SequenceBits = 12              // sequence
	MaxSequence  = -1 ^ (-1 << 12) //sequence mask
)

Variables

var (
	Since int64 = time.Date(2012, 1, 0, 0, 0, 0, 0, time.UTC).UnixNano() / nano
)

Functions

func DefaultWorkId

func DefaultWorkId() uint32

Types

type SnowFlake

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

func Default

func Default() (*SnowFlake, error)

func NewSnowFlake

func NewSnowFlake(workerId uint32) (*SnowFlake, error)

func (*SnowFlake) Next

func (sf *SnowFlake) Next() (uint64, error)