private static IFormatter ProcessCommand(Stream inputStream, Stream outputStream, int splitIndex, DateTime bootTime)
{
int isSqlUdf = SerDe.ReadInt(inputStream);
logger.LogDebug("Is func Sql UDF = {0}", isSqlUdf);
IFormatter formatter = new BinaryFormatter();
UDFCommand command = null;
if (isSqlUdf == 0)
{
command = ProcessNonUdfCommand(inputStream, outputStream, splitIndex, bootTime, formatter, isSqlUdf);
}
else
{
command = ProcessUdfCommand(inputStream, outputStream, splitIndex, bootTime, formatter, isSqlUdf);
}
if (command != null)
{
command.Execute();
}
return(formatter);
}
private static UDFCommand ProcessNonUdfCommand(Stream inputStream, Stream outputStream, int splitIndex,
DateTime bootTime, IFormatter formatter, int isSqlUdf)
{
logger.LogDebug("Processing non-UDF command");
int lengthOfCommandByteArray = SerDe.ReadInt(inputStream);
logger.LogDebug("Command length: " + lengthOfCommandByteArray);
UDFCommand command = null;
if (lengthOfCommandByteArray > 0)
{
var commandProcessWatch = new Stopwatch();
commandProcessWatch.Start();
int stageId;
string deserializerMode;
string serializerMode;
CSharpWorkerFunc cSharpWorkerFunc;
ReadCommand(inputStream, formatter, out stageId, out deserializerMode, out serializerMode,
out cSharpWorkerFunc);
command = new UDFCommand(inputStream, outputStream, splitIndex, bootTime, deserializerMode,
serializerMode, formatter, commandProcessWatch, isSqlUdf,
new List <WorkerFunc>()
{
new WorkerFunc(cSharpWorkerFunc, 0, null)
}, stageId);
}
else
{
logger.LogWarn("lengthOfCommandByteArray = 0. Nothing to execute :-(");
}
return(command);
}