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IdGeneratorOptions.py 1.3 kB

3 years ago
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  1. import time
  2. class IdGeneratorOptions(object):
  3. def __init__(self, workerId = 0, workerIdBitLength = 6, seqBitLength = 6):
  4. # 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。
  5. self.Method = 1
  6. # 基础时间(ms单位),不能超过当前系统时间
  7. self.BaseTime = 1288834974657
  8. # 机器码,必须由外部设定,最大值 2^WorkerIdBitLength-1
  9. self.WorkerId = workerId
  10. # 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)
  11. self.WorkerIdBitLength = workerIdBitLength
  12. # 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)
  13. self.SeqBitLength = seqBitLength
  14. # 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])
  15. self.MaxSeqNumber = 0
  16. # 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
  17. self.MinSeqNumber = 5
  18. # 最大漂移次数(含),默认2000,推荐范围500-10000(与计算能力有关)
  19. self.TopOverCostCount = 2000