Method ProcessRequest

Common/ExecutionModel/vtkExecutive.cxx:499–539

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
vtkTypeBool vtkExecutive::ProcessRequest(
  vtkInformation* request, vtkInformationVector** inInfo, vtkInformationVector* outInfo)
{
  if (request->Has(FORWARD_DIRECTION()))
  {
    // Request will be forwarded.
    if (request->Get(FORWARD_DIRECTION()) == vtkExecutive::RequestUpstream)
    {
      if (this->Algorithm && request->Get(ALGORITHM_BEFORE_FORWARD()))
      {
        if (!this->CallAlgorithm(request, vtkExecutive::RequestUpstream, inInfo, outInfo))
        {
          return 0;
        }
      }
      if (!this->ForwardUpstream(request))
      {
        return 0;
      }
      if (this->Algorithm && request->Get(ALGORITHM_AFTER_FORWARD()))
      {
        if (!this->CallAlgorithm(request, vtkExecutive::RequestDownstream, inInfo, outInfo))
        {
          return 0;
        }
      }
    }
    if (request->Get(FORWARD_DIRECTION()) == vtkExecutive::RequestDownstream)
    {
      vtkErrorMacro("Downstream forwarding not yet implemented.");
      return 0;
    }
  }
  else
  {
    // Request will not be forwarded.
    vtkErrorMacro("Non-forwarded requests are not yet implemented.");
    return 0;
  }
  return 1;
}

//------------------------------------------------------------------------------
int vtkExecutive::ComputePipelineMTime(