private async Task AddItem(int distance, TimerItem <T> item)
{
await sectorHandling.WaitAsync().ConfigureAwait(false);
this[(currentTick + distance) % wheelSize].Items.Add(item);
sectorHandling.Release();
}
public async Task AddItem(DateTime startTime, TimerItem <T> item)
{
TimeSpan initialInterval = startTime.Subtract(DateTime.UtcNow);
await this.AddInitialTime(initialInterval, item);
this.timerItems.Add(item.TimerItemId, item);
}
private void RemoveItem(TimerItem <T> item)
{
if (null != carryOverWheel)
{
carryOverWheel.RemoveItem(item);
}
foreach (var sector in this.sectors)
{
sector?.Items?.Remove(item);
}
}
public async Task <bool> RemoveTimerItem(Guid timerItemId)
{
if (timerItems.ContainsKey(timerItemId))
{
TimerItem <T> item = timerItems[timerItemId];
timerItems.Remove(timerItemId);
await sectorHandling.WaitAsync().ConfigureAwait(false);
RemoveItem(item);
sectorHandling.Release();
return(true);
}
return(false);
}
protected async Task AddInitialTime(TimeSpan startInterval, TimerItem <T> item)
{
//get largest wheel required
if (this.wheelSpan < startInterval.TotalMilliseconds)
{
if (null == this.carryOverWheel)
{
this.carryOverWheel = new TimerWheel <T>(this.wheelSize, baseInterval, this.rank + 1);
}
item.ExecutionTick += this.currentTick * this.sectorSpan;
await this.carryOverWheel.AddInitialTime(startInterval, item).ConfigureAwait(false);
}
else
{
int nextTickTime = (int)(startInterval.TotalMilliseconds + item.ExecutionTick);
item.ExecutionTick = nextTickTime % this.sectorSpan;
//timerWheels.ForEach(x => { System.Diagnostics.Debug.Write($"{x.Magnitude}:{x.CurrentTick} "); });
await this.AddItem((int)(nextTickTime / this.sectorSpan), item);
}
}
public async Task Add(DateTime startTime, TimerItem <T> item)
{
await baseTimer.AddItem(startTime, item);
}
public async Task Add(TimerItem <T> item)
{
await baseTimer.AddItem(item);
}
public async Task AddItem(TimeSpan initialInterval, TimerItem <T> item)
{
await this.AddInitialTime(initialInterval, item);
this.timerItems.Add(item.TimerItemId, item);
}
public async Task AddItem(TimerItem <T> item)
{
await this.AddItem(1, item);
this.timerItems.Add(item.TimerItemId, item);
}
