public void ProcessCommand(CommandGetMetadata command, CtpNetStream encoder)
{
var repository = m_repository;
if (repository.ContainsTable(command.Table))
{
var table = repository[command.Table];
var columns = new List <MetadataColumn>();
var columnIndexes = new List <int>();
if (command.Columns == null || command.Columns.Count == 0)
{
columns.AddRange(table.Columns);
for (int x = 0; x < columns.Count; x++)
{
columnIndexes.Add(x);
}
}
else
{
foreach (var column in command.Columns)
{
var c = table.Columns.FindIndex(x => x.Name == column);
if (c < 0)
{
encoder.Send(new CommandMetadataRequestFailed("Syntax Error", "Could not find the specified column " + column));
return;
}
columnIndexes.Add(c);
columns.Add(table.Columns[c]);
}
}
byte channelID = 1;
int rowCount = 0;
var rowEncoder = new MetadataRowEncoder(columns);
CtpObject[] values = new CtpObject[columns.Count];
encoder.Send(new CommandBeginMetadataResponse(channelID, Guid.Empty, repository.RuntimeID, repository.VersionNumber, command.Table, columns));
foreach (var row in table.Rows)
{
for (int x = 0; x < values.Length; x++)
{
values[x] = row.Fields[columnIndexes[x]];
}
rowEncoder.AddRow(values);
if (rowEncoder.Size > 30000)
{
throw new NotImplementedException();
//encoder.SendRaw(rowEncoder.ToArray(), channelID);
rowEncoder.Clear();
}
rowCount++;
}
if (rowEncoder.Size > 0)
{
throw new NotImplementedException();
//encoder.SendRaw(rowEncoder.ToArray(), channelID);
rowEncoder.Clear();
}
encoder.Send(new CommandEndMetadataResponse(channelID, rowCount));
}
else
{
encoder.Send(new CommandMetadataRequestFailed("Syntax Error", "Could not find the specified table " + command.Table));
}
}
