| @@ -0,0 +1,31 @@ | |||||
| import time | |||||
| import traceback | |||||
| from IdGeneratorOptions import IdGeneratorOptions | |||||
| from SnowFlake import SnowFlake | |||||
| from SnowFlakeM1 import SnowFlakeM1 | |||||
| class DefaultIdGenerator(object): | |||||
| def SetIdGernerator(self, options) : | |||||
| if options.BaseTime < 100000 : | |||||
| raise ValueError ("BaseTime error.") | |||||
| self.SnowFlake= SnowFlakeM1(options) | |||||
| def NextId(self): | |||||
| return self.SnowFlake.NextId() | |||||
| if __name__ == '__main__': | |||||
| try: | |||||
| options = IdGeneratorOptions(23) | |||||
| options.BaseTime = 1231111111 | |||||
| idgen = DefaultIdGenerator() | |||||
| idgen.SetIdGernerator(options) | |||||
| print (idgen.NextId()) | |||||
| print (options.__dict__) | |||||
| except ValueError as e: | |||||
| print(e) | |||||
| @@ -0,0 +1,30 @@ | |||||
| import time | |||||
| class IdGeneratorOptions(object): | |||||
| def __init__(self, workerId = 0, workerIdBitLength = 6, seqBitLength = 6): | |||||
| # 雪花计算方法,(1-漂移算法|2-传统算法),默认1。目前只实现了1。 | |||||
| self.Method = 1 | |||||
| # 基础时间(ms单位),不能超过当前系统时间 | |||||
| self.BaseTime = 1288834974657 | |||||
| # 机器码,必须由外部设定,最大值 2^WorkerIdBitLength-1 | |||||
| self.WorkerId = workerId | |||||
| # 机器码位长,默认值6,取值范围 [1, 15](要求:序列数位长+机器码位长不超过22) | |||||
| self.WorkerIdBitLength = workerIdBitLength | |||||
| # 序列数位长,默认值6,取值范围 [3, 21](要求:序列数位长+机器码位长不超过22) | |||||
| self.SeqBitLength = seqBitLength | |||||
| # 最大序列数(含),设置范围 [MinSeqNumber, 2^SeqBitLength-1],默认值0,表示最大序列数取最大值(2^SeqBitLength-1]) | |||||
| self.MaxSeqNumber = 0 | |||||
| # 最小序列数(含),默认值5,取值范围 [5, MaxSeqNumber],每毫秒的前5个序列数对应编号0-4是保留位,其中1-4是时间回拨相应预留位,0是手工新值预留位 | |||||
| self.MinSeqNumber = 5 | |||||
| # 最大漂移次数(含),默认2000,推荐范围500-10000(与计算能力有关) | |||||
| self.TopOverCostCount = 2000 | |||||
| @@ -0,0 +1,11 @@ | |||||
| #!/usr/bin/python | |||||
| # coding=UTF-8 | |||||
| # 组件编号生成器 | |||||
| class SnowFlake(object): | |||||
| def __init__(self, options): | |||||
| self.Options = options | |||||
| def NextId(self): | |||||
| return 0 | |||||
| @@ -0,0 +1,12 @@ | |||||
| #!/usr/bin/python | |||||
| # coding=UTF-8 | |||||
| from SnowFlake import SnowFlake | |||||
| # 组件编号生成器 | |||||
| class SnowFlakeM1(SnowFlake): | |||||
| def __init__(self, options): | |||||
| self.Options = options | |||||
| def NextId(self): | |||||
| return self.Options.WorkerId | |||||