diff --git a/Python/soure/DefaultIdGenerator.py b/Python/soure/DefaultIdGenerator.py new file mode 100644 index 0000000..586e536 --- /dev/null +++ b/Python/soure/DefaultIdGenerator.py @@ -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) + + diff --git a/Python/soure/IdGeneratorOptions.py b/Python/soure/IdGeneratorOptions.py new file mode 100644 index 0000000..2f4d2af --- /dev/null +++ b/Python/soure/IdGeneratorOptions.py @@ -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 + + diff --git a/Python/soure/SnowFlake.py b/Python/soure/SnowFlake.py new file mode 100644 index 0000000..cb603c8 --- /dev/null +++ b/Python/soure/SnowFlake.py @@ -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 diff --git a/Python/soure/SnowFlakeM1.py b/Python/soure/SnowFlakeM1.py new file mode 100644 index 0000000..985bd08 --- /dev/null +++ b/Python/soure/SnowFlakeM1.py @@ -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