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auto commit

tags/v1.3.1
yitter 2 years ago
parent
commit
1d043bf0fe
4 changed files with 84 additions and 0 deletions
  1. +31
    -0
      Python/soure/DefaultIdGenerator.py
  2. +30
    -0
      Python/soure/IdGeneratorOptions.py
  3. +11
    -0
      Python/soure/SnowFlake.py
  4. +12
    -0
      Python/soure/SnowFlakeM1.py

+ 31
- 0
Python/soure/DefaultIdGenerator.py View File

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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)



+ 30
- 0
Python/soure/IdGeneratorOptions.py View File

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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



+ 11
- 0
Python/soure/SnowFlake.py View File

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#!/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

+ 12
- 0
Python/soure/SnowFlakeM1.py View File

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#!/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

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