goSnowFlake
[](https://travis-ci.org/zheng-ji/goSnowFlake) [](https://godoc.org/github.com/zheng-ji/goSnowFlake)
根据 Twitter SnowFlake 算法, 实现的分布式线程安全 UID 生成器
Feature
Description
1 2 3 4 5 6
| 0 41 51 64 +---------------+----------------+-----------+ |timestamp(ms) | worker node id | sequence | +---------------+----------------+-----------+ id = timestamp | workerid | sequence (eg. 1451063443347648410)
|
由三部分与运算组合而成,分别是毫秒级别的时间戳,机器 workerid, 以及为了解决冲突的序列号
Installation
1
| go get github.com/zheng-ji/goSnowFlake
|
Example
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
| import ( "fmt" "github.com/zheng-ji/goSnowFlake" ) func main() { iw, err := goSnowFlake.NewIdWorker(1) if err!= nil { fmt.Println(err) } for i := 0; i < 100; i++ { if id, err := iw.NextId(); err != nill { fmt.Println(id) } } }
|
Documentation
License
Copyright © 2015 by zheng-ji released under MIT License.