/// <summary>
/// LevelingQueue constructor
/// </summary>
/// <param name="highLevelQueue">High level queue (queue with higher priority)</param>
/// <param name="lowLevelQueue">Low level queue (queue with lower priority)</param>
/// <param name="addingMode">Adding mode of the queue</param>
/// <param name="isBackgroundTransferingEnabled">Is background transfering items from LowLevelQueue to HighLevelQueue enabled</param>
public LevelingQueue(IQueue <T> highLevelQueue, IQueue <T> lowLevelQueue, LevelingQueueAddingMode addingMode, bool isBackgroundTransferingEnabled)
{
if (highLevelQueue == null)
{
throw new ArgumentNullException(nameof(highLevelQueue));
}
if (lowLevelQueue == null)
{
throw new ArgumentNullException(nameof(lowLevelQueue));
}
_highLevelQueue = highLevelQueue;
_lowLevelQueue = lowLevelQueue;
_addingMode = addingMode;
_isBackgroundTransferingEnabled = isBackgroundTransferingEnabled;
_addMonitor = new MonitorObject("LevelingQueue.AddMonitor");
_takeMonitor = new MonitorObject("LevelingQueue.TakeMonitor");
_peekMonitor = new MonitorObject("LevelingQueue.PeekMonitor");
_itemCount = highLevelQueue.Count + lowLevelQueue.Count;
_isDisposed = false;
if (isBackgroundTransferingEnabled)
{
_backgoundTransfererExclusive = new MutuallyExclusivePrimitive();
if (addingMode == LevelingQueueAddingMode.PreferLiveData)
{
_backgoundTransfererExclusive.AllowBackgroundGate(); // Allow background transfering from the start
}
_backgroundTransferer = new DelegateThreadSetManager(1, this.GetType().GetCSName() + "_" + this.GetHashCode().ToString() + " Background Transferer", BackgroundTransferProc);
_backgroundTransferer.IsBackground = true;
_backgroundTransferer.Start();
}
}
private static LevelingQueue <int> CreateQueue(int highLevelSize, int lowLevelSize, bool ord = true, bool bcg = false)
{
LevelingQueueAddingMode mode = ord ? LevelingQueueAddingMode.PreserveOrder : LevelingQueueAddingMode.PreferLiveData;
return(new LevelingQueue <int>(new MemoryQueue <int>(highLevelSize), new MemoryQueue <int>(lowLevelSize), mode, bcg));
}
private static LevelingQueue <int> CreateQueue(int highLevelSize, int lowLevelSize, LevelingQueueAddingMode addingMode = LevelingQueueAddingMode.PreserveOrder, bool isBcgTransferEnabled = false)
{
return(new LevelingQueue <int>(new MemoryQueue <int>(highLevelSize), new MemoryQueue <int>(lowLevelSize), addingMode, isBcgTransferEnabled));
}
