internal UIDGeneratorImpl(UIDOptions options)
{
ValidOptions(options);
EpochDateTime = options.EpochDateTime;
WorkId = options.WorkId;
WorkIdBit = options.WorkIdBit;
TimeCheckBit = options.TimeCheckBit;
SequenceBit = options.SequenceBit;
MaxTimestamp = BitUtils.MaxVaue(TimestampBit);
MaxWorkId = BitUtils.MaxVaue(WorkIdBit);
MaxSequence = BitUtils.MaxVaue(SequenceBit);
MaxTimeCheck = BitUtils.MaxVaue(TimeCheckBit);
SequenceShift = 0;
TimeCheckShift = SequenceBit;
WorkIdShift = TimeCheckBit + SequenceBit;
TimestampShift = WorkIdBit + TimeCheckBit + SequenceBit;
if (WorkId > MaxWorkId)
{
throw new Exception("workdId超过最大值");
}
}
private void ValidOptions(UIDOptions options)
{
if (options.WorkIdBit <= 0)
{
throw new Exception("WorkIdBit不能小于等于0");
}
if (options.SequenceBit <= 0)
{
throw new Exception("SequenceBit不能小于等于0");
}
if (options.WorkIdBit + options.TimeCheckBit + options.SequenceBit != 22)
{
throw new Exception("WorkIdBit+TimeCheckBit+SequenceBit=24");
}
}
/// <summary>
/// 创建UID生成器
/// </summary>
/// <param name="options"></param>
/// <returns></returns>
public IUIDGenerator CreateUIDGenerator(UIDOptions options)
{
return(new UIDGeneratorImpl(options));
}