private void MoveTo(ViewBuffer destination)
{
for (var i = 0; i < Count; i++)
{
var page = this[i];
var destinationPage = destination.Count == 0 ? null : destination[destination.Count - 1];
// If the source page is less or equal to than half full, let's copy it's content to the destination
// page if possible.
var isLessThanHalfFull = 2 * page.Count <= page.Capacity;
if (isLessThanHalfFull &&
destinationPage != null &&
destinationPage.Capacity - destinationPage.Count >= page.Count)
{
// We have room, let's copy the items.
Array.Copy(
sourceArray: page.Buffer,
sourceIndex: 0,
destinationArray: destinationPage.Buffer,
destinationIndex: destinationPage.Count,
length: page.Count);
destinationPage.Count += page.Count;
// Now we can return the source page, and it can be reused in the scope of this request.
Array.Clear(page.Buffer, 0, page.Count);
_bufferScope.ReturnSegment(page.Buffer);
}
else
{
// Otherwise, let's just add the source page to the other buffer.
destination.AddPage(page);
}
}
Clear();
}
