public bool MoveNext()
{
if (_readers == null)
{
if (_files.Count == 0)
{
return(false);
}
_readers = new CKSortedArrayList <OneLogReader>(OneLogReader.CompareHeadTime, allowDuplicates: true);
foreach (var r in _files.Where(occ => occ.LastEntryTime >= _firstLogTime).Select(occ => new OneLogReader(occ, _firstLogTime)))
{
_readers.Add(r);
}
if (_readers.Count == 0)
{
return(false);
}
RemoveAllDuplicates();
Debug.Assert(_readers.Count > 0);
return(true);
}
if (_readers.Count == 0)
{
return(false);
}
if (!_readers[0].Forward())
{
_readers.RemoveAt(0);
return(_readers.Count > 0);
}
else
{
RemoveDuplicateAround(_readers.CheckPosition(0));
Debug.Assert(_readers.Count > 0);
return(true);
}
}