/// <summary>
/// Advances the stream to the next value.
/// If before the beginning of the stream, advances to the first value
/// </summary>
/// <returns>True if the advance was successful. False if the end of the stream was reached.</returns>
protected override bool ReadNext(TKey key, TValue value)
{
if (!m_completed && m_encodingMethod.TryDecode(m_stream, key, value))
{
return(true);
}
else
{
Complete();
return(false);
}
}
//unsafe private void ProcessReadWithPointers(TreeStream<TKey, TValue> scanner)
//{
// int bytesForSerialization = m_encodingMethod.MaxCompressedSize;
// byte[] buffer;
// int position;
// int bufferSize;
// int origPosition;
// m_stream.UnsafeGetInternalSendBuffer(out buffer, out position, out bufferSize);
// origPosition = position;
// fixed (byte* lp = buffer)
// {
// TKey key = new TKey();
// TValue value = new TValue();
// int loop = 0;
// while (scanner.Read(key, value))
// {
// if (bufferSize - position < bytesForSerialization)
// {
// m_stream.UnsafeAdvanceSendPosition(position - origPosition);
// m_stream.Flush();
// position = 0;
// origPosition = 0;
// }
// position += m_encodingMethod.Encode(lp + position, key, value);
// loop++;
// if (loop > 1000)
// {
// loop = 0;
// if (m_stream.AvailableReadBytes > 0)
// {
// m_stream.UnsafeAdvanceSendPosition(position - origPosition);
// return;
// }
// }
// }
// }
// m_stream.UnsafeAdvanceSendPosition(position - origPosition);
//}
private void ProcessWrite()
{
TKey key = new TKey();
TValue value = new TValue();
m_encodingMethod.ResetEncoder();
while (m_encodingMethod.TryDecode(m_stream, key, value))
{
m_sortedTreeEngine.Write(key, value);
}
}