@@ -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 |