/// <summary>
/// Add data item to buffer. Also release a frozen thread which is waiting this data item to be in the buffer
/// </summary>
public void Add(T item, int order)
{
WaitersCollection.WaitersMode waitersMode = _orderMatters
? WaitersCollection.WaitersMode.ReleaseWaiterByOrder(order)
: WaitersCollection.WaitersMode.OrdersDoesNotMatter();
bool hasBeenAdded = false;
BufferIdea.ThreadSafeAccessToBuffer(waitersMode,
() =>
{
bool shouldWait;
bool justAddedInThisIteration = false;
//First time, adding item to buffer
if (!hasBeenAdded)
{
shouldWait = !_internalBuffer.AddItemAndCheckNotFull(order, item);
hasBeenAdded = justAddedInThisIteration = true;
}
//next time, only checking if we can release this thread to process next item
else
{
shouldWait = _internalBuffer.IsFull;
}
return(shouldWait, justAddedInThisIteration);
},
_pullWaiters,
_addWaiters);
}