internal void StartAccumulatorServer()
{
if (accumulatorServer == null)
{
accumulatorServer = new AccumulatorServer();
int port = accumulatorServer.StartUpdateServer();
SparkContextProxy.Accumulator(port);
}
}
/// <summary>
/// Create an L{Accumulator} with the given initial value, using a given
/// L{AccumulatorParam} helper object to define how to add values of the
/// data type if provided. Default AccumulatorParams are used for integers
/// and floating-point numbers if you do not provide one. For other types,
/// a custom AccumulatorParam can be used.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="value"></param>
/// <returns></returns>
public Accumulator <T> Accumulator <T>(T value)
{
if (accumulatorServer == null)
{
accumulatorServer = new AccumulatorServer();
int port = accumulatorServer.StartUpdateServer();
SparkContextProxy.Accumulator(port);
}
return(new Accumulator <T>(nextAccumulatorId++, value));
}