private void EnsureSorted()
{
var timer = Stopwatch.StartNew();
using var reader = new DataRecordReader(_options.Sorted);
var charBuffer = new char[Constants.ValueMaxLength];
var counter = new Counter();
var fileLength = reader.Length;
var readerPositionPrev = 0L;
var repeatsCount = 0L;
var dataRecordPrev = new DataRecord(long.MinValue, ReadOnlySpan <char> .Empty);
foreach (var dataRecord in reader)
{
if (dataRecordPrev.CompareTo(dataRecord) == 1)
{
Console.WriteLine($"Not sorted data in line {counter.LinesCount}");
return;
}
var readerPosition = reader.Position;
if (readerPosition - readerPositionPrev > Constants.HundredMegabytes)
{
ShowProgress(readerPosition, fileLength, timer.Elapsed.TotalSeconds);
readerPositionPrev = readerPosition;
}
if (dataRecordPrev.Value.Equals(dataRecord.Value, Constants.ValueComparison))
{
repeatsCount++;
}
counter.SetMinMax(dataRecord.Number);
counter.IncrementLineCount();
dataRecordPrev = dataRecord.Copy(charBuffer);
}
Console.WriteLine();
Console.WriteLine("Data is really sorted");
Console.WriteLine($"Numbers between {counter.MinNumber} and {counter.MaxNumber}");
Console.WriteLine($"Lines count {counter.LinesCount}");
Console.WriteLine($"Repeats count {repeatsCount}");
}