/// <summary>
/// Compares with another buffer by comparing the next item of each buffer.
/// </summary>
/// <param name="other">another buffer</param>
/// <returns>the comparison of the two buffers</returns>
public int CompareTo(RecordReaderBuffer <T> other)
{
int comparison = _comparer.Compare(_cache, other._cache);
if (comparison == 0 && _stableExternalSortTempFile)
{
//records are the same, as a last resort, compare the file metadata
return(Order - other.Order);
}
// return the comparer comparison
return(comparison);
}
/// <summary>
/// Compares with another buffer by comparing the next item of each buffer.
/// </summary>
/// <param name="other">another buffer</param>
/// <returns>the comparison of the two buffers</returns>
public int CompareTo(RecordReaderBuffer <T> other)
{
return(_comparer.Compare(_cache, other._cache));
}