/// <summary>
/// Dequeue a set of records.
/// </summary>
/// <param name="buffers">Will be cleared and then filled with all available buffers</param>
/// <param name="maxAmountOfMessages">Number of wanted records (will return less if less are available)</param>
public void Dequeue(List <byte[]> buffers, int maxAmountOfMessages)
{
if (buffers == null)
{
throw new ArgumentNullException("buffers");
}
var initialSize = buffers.Count;
var count1 = _readFile.Dequeue(buffers, maxAmountOfMessages);
if (buffers.Any())
{
Interlocked.Add(ref _count, 0 - count1);
return;
}
if (!TryOpenNextReadFile())
{
return;
}
var leftToEnqueue = maxAmountOfMessages - (buffers.Count - initialSize);
var count2 = _readFile.Dequeue(buffers, leftToEnqueue);
Interlocked.Add(ref _count, 0 - (count1 + count2));
}
/// <summary>
/// Dequeue a set of records.
/// </summary>
/// <param name="buffers">Will be cleared and then filled with all available buffers</param>
/// <param name="maxAmountOfMessages">Number of wanted records (will return less if less are available)</param>
public void Dequeue(List <byte[]> buffers, int maxAmountOfMessages)
{
if (buffers == null)
{
throw new ArgumentNullException("buffers");
}
buffers.Clear();
_readFile.Dequeue(buffers, maxAmountOfMessages);
if (buffers.Any())
{
return;
}
if (!TryOpenNextReadFile())
{
return;
}
_readFile.Dequeue(buffers, maxAmountOfMessages);
}