/// <summary>
/// Initializes an instnace of VertexEnv. This is called in auto-generated vertex code.
/// </summary>
/// <param name="args"></param>
/// <param name="vertexParams"></param>
public VertexEnv(string args, DryadLinqVertexParams vertexParams)
{
this.m_argList = args.Split('|');
this.m_nativeHandle = new IntPtr(Int64.Parse(this.m_argList[0], NumberStyles.HexNumber));
this.m_numberOfInputs = DryadLinqNative.GetNumOfInputs(this.m_nativeHandle);
this.m_numberOfOutputs = DryadLinqNative.GetNumOfOutputs(this.m_nativeHandle);
this.m_nextInput = 0;
this.m_nextInputPort = 0;
this.m_nextOutputPort = 0;
this.m_vertexParams = vertexParams;
this.m_useLargeBuffer = vertexParams.UseLargeBuffer;
if (this.m_numberOfOutputs > 0)
{
this.SetInitialWriteSizeHint();
}
// Set the thread count for DryadLINQ vertex runtime
string threadCountStr = Environment.GetEnvironmentVariable("DRYAD_THREADS_PER_WORKER");
DryadLinqVertex.ThreadCount = Environment.ProcessorCount;
if (!String.IsNullOrEmpty(threadCountStr))
{
if (!Int32.TryParse(threadCountStr, out DryadLinqVertex.ThreadCount))
{
throw new DryadLinqException("The env variable DRYAD_THREADS_PER_WORKER was set to " + threadCountStr);
}
if (DryadLinqVertex.ThreadCount < 1)
{
DryadLinqVertex.ThreadCount = Environment.ProcessorCount;
}
}
}
/// <summary>
/// Initializes an instnace of VertexEnv. This is called in auto-generated code.
/// </summary>
/// <param name="args"></param>
/// <param name="vertexParams"></param>
public VertexEnv(string args, DryadLinqVertexParams vertexParams)
{
this.m_argList = args.Split('|');
this.m_nativeHandle = new IntPtr(Int64.Parse(this.m_argList[0], NumberStyles.HexNumber));
this.m_numberOfInputs = DryadLinqNative.GetNumOfInputs(this.m_nativeHandle);
this.m_numberOfOutputs = DryadLinqNative.GetNumOfOutputs(this.m_nativeHandle);
this.m_nextInput = 0;
this.m_nextInputPort = 0;
this.m_nextOutputPort = 0;
this.m_vertexParams = vertexParams;
this.m_useLargeBuffer = vertexParams.UseLargeBuffer;
this.m_multiThreading = vertexParams.MultiThreading;
if (this.m_numberOfOutputs > 0)
{
this.SetInitialWriteSizeHint();
}
Debug.Assert(vertexParams.InputArity <= this.m_numberOfInputs);
Debug.Assert(vertexParams.OutputArity <= this.m_numberOfOutputs);
}
