snowflake32

package

v0.5.1 Latest Latest Go to latest Published: Jul 21, 2022 License: Apache-2.0 Imports: 3 Imported by: 0

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Valid go.mod file

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Repository

github.com/aaronwong1989/gosms

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Documentation ¶

Index ¶

type Snowflake
- func NewSnowflake(d int32, w int32) *Snowflake
- func (s *Snowflake) NextVal() int32
- func (s *Snowflake) String() string

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type Snowflake ¶

type Snowflake struct {
	sync.Mutex // 锁
	// contains filtered or unexported fields
}

Snowflake 24小时内不会重复的雪花序号生成器构成为: 0 | seconds 17 bit | datacenter 2 bit | worker 3 bit| sequence 9 bit 最大支持32个节点，单节点TPS不超过512，超过则会阻塞程序到下一秒再返回序号，仅能用于特殊场景 seconds占用17bits是因为一天86400秒占用17bits

func NewSnowflake ¶

func NewSnowflake(d int32, w int32) *Snowflake

NewSnowflake d for datacenter-id, w for worker-id

func (*Snowflake) NextVal ¶

func (s *Snowflake) NextVal() int32

func (*Snowflake) String ¶

func (s *Snowflake) String() string

Source Files ¶

View all Source files

snowflake32.go

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