private void InitTimeCircle()
{
//get all subscribes, 以确定数组长度：单位时间为最小公约数，长度为最小公倍数/单位时间
var subscribes = _cacheService.GetAllSubscribes();
var intervalList = subscribes.Where(p => p.ReportInterval != 0).Select(p => p.ReportInterval).ToList();
// 3/10
var gcd = Gcd(intervalList);
var lcm = Lcm(intervalList);
count = lcm / gcd;
timeCircle = new TimeNode[count];
for (int j = 0; j < count; j++)
{
timeCircle[j] = new TimeNode();
for (int i = 0; i < subscribes.Count; i++)
{
if (subscribes[i].ReportInterval == 0)
{
subscribes[i].ReportInterval = lcm;
}
//初始位置不挂载
if ((j + 1) * gcd % subscribes[i].ReportInterval == 0)
{
timeCircle[j].Subscribes.Add(subscribes[i].SubscribeID);
}
}
}
_timer = new Timer(Tick, null, TimeSpan.FromSeconds(gcd), TimeSpan.FromSeconds(gcd));
}
//当时间拨动到某个TimeNode上时，依次处理该时间点需要发送的订阅
private void HandleNode(TimeNode node)
{
foreach (var subscribe in node.Subscribes)
{
var notification = PrepareNotificationBySubscribeId(subscribe);
DoPost(notification);
}
}