/// <summary>
/// Фаза разделения, разделяем данный на два файла по сортированным фазам длинной step
/// </summary>
/// <param name="reader">Источник</param>
/// <param name="writerOne">Первый получатель</param>
/// <param name="writerTwo">Второй получатель</param>
/// <param name="step">Длина сортированной фазы</param>
private void Devision <TInnerType>(IExternalReader <TInnerType> reader, IExternalWriter <TInnerType> writerOne,
IExternalWriter <TInnerType> writerTwo, long step)
where TInnerType : class, IComparable
{
while (reader.IsNext())
{
writerOne.Write(reader.Current);
for (long i = 1; (i < step) && reader.IsNext(); i++)
{
writerOne.Write(reader.Current);
}
for (long i = 0; (i < step) && reader.IsNext(); i++)
{
writerTwo.Write(reader.Current);
}
}
}
private TInnerType ReadNextStudentInPhase <TInnerType>(long step, IExternalReader <TInnerType> reader,
TInnerType currentStudent)
where TInnerType : class, IComparable
{
if (step <= 0)
{
return(null);
}
if (currentStudent != null)
{
return(currentStudent);
}
return(reader.IsNext() ? reader.Current : null);
}
