public PointReader(StreamEncodingBase <TKey, TValue> encodingMethod, RemoteBinaryStream stream, Action onComplete)
{
m_onComplete = onComplete;
m_encodingMethod = encodingMethod;
m_stream = stream;
encodingMethod.ResetEncoder();
}
internal BulkWriting(StreamingClientDatabase <TKey, TValue> client)
{
if (client.m_writer != null)
{
throw new Exception("Duplicate call to StartBulkWriting");
}
m_client = client;
m_client.m_writer = this;
m_stream = m_client.m_stream;
m_encodingMode = m_client.m_encodingMode;
m_stream.Write((byte)ServerCommand.Write);
m_encodingMode.ResetEncoder();
}
private bool ProcessRead()
{
SeekFilterBase <TKey> key1Parser = null;
MatchFilterBase <TKey, TValue> key2Parser = null;
SortedTreeEngineReaderOptions readerOptions = null;
if (m_stream.ReadBoolean())
{
try
{
key1Parser = Library.Filters.GetSeekFilter <TKey>(m_stream.ReadGuid(), m_stream);
}
catch
{
m_stream.Write((byte)ServerResponse.UnknownOrCorruptSeekFilter);
m_stream.Flush();
return(false);
}
}
if (m_stream.ReadBoolean())
{
try
{
key2Parser = Library.Filters.GetMatchFilter <TKey, TValue>(m_stream.ReadGuid(), m_stream);
}
catch
{
m_stream.Write((byte)ServerResponse.UnknownOrCorruptMatchFilter);
m_stream.Flush();
return(false);
}
}
if (m_stream.ReadBoolean())
{
try
{
readerOptions = new SortedTreeEngineReaderOptions(m_stream);
}
catch
{
m_stream.Write((byte)ServerResponse.UnknownOrCorruptReaderOptions);
m_stream.Flush();
return(false);
}
}
bool needToFinishStream = false;
try
{
using (TreeStream <TKey, TValue> scanner = m_sortedTreeEngine.Read(readerOptions, key1Parser, key2Parser))
{
m_stream.Write((byte)ServerResponse.SerializingPoints);
m_encodingMethod.ResetEncoder();
//if (m_encodingMethod.SupportsPointerSerialization)
// ProcessReadWithPointers(scanner);
//else
needToFinishStream = true;
bool wasCanceled = !ProcessRead(scanner);
m_encodingMethod.WriteEndOfStream(m_stream);
needToFinishStream = false;
if (wasCanceled)
{
m_stream.Write((byte)ServerResponse.CanceledRead);
}
else
{
m_stream.Write((byte)ServerResponse.ReadComplete);
}
m_stream.Flush();
return(true);
}
}
catch (Exception ex)
{
if (needToFinishStream)
{
m_encodingMethod.WriteEndOfStream(m_stream);
}
m_stream.Write((byte)ServerResponse.ErrorWhileReading);
m_stream.Write(ex.ToString());
m_stream.Flush();
return(false);
}
}