vtkClientServerMoveData.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkClientServerMoveData.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef vtkClientServerMoveData_h
#define vtkClientServerMoveData_h

#include "vtkDataObjectAlgorithm.h"
#include "vtkPVVTKExtensionsFiltersRenderingModule.h" //needed for exports

class vtkMultiProcessController;
class vtkMultiProcessController;

class VTKPVVTKEXTENSIONSFILTERSRENDERING_EXPORT vtkClientServerMoveData
  : public vtkDataObjectAlgorithm
{
public:
  static vtkClientServerMoveData* New();
  vtkTypeMacro(vtkClientServerMoveData, vtkDataObjectAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkSetMacro(OutputDataType, int);
  vtkGetMacro(OutputDataType, int);


  vtkSetVector6Macro(WholeExtent, int);
  vtkGetVector6Macro(WholeExtent, int);


  vtkSetMacro(ProcessType, int);
  vtkGetMacro(ProcessType, int);


  void SetController(vtkMultiProcessController*);
  vtkGetObjectMacro(Controller, vtkMultiProcessController);

  enum ProcessTypes
  {
    AUTO = 0,
    SERVER = 1,
    CLIENT = 2
  };

protected:
  vtkClientServerMoveData();
  ~vtkClientServerMoveData() override;

  // Overridden to mark input as optional, since input data may
  // not be available on all processes that this filter is instantiated.
  int FillInputPortInformation(int port, vtkInformation* info) override;

  int RequestData(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

  // Create an output of the type defined by OutputDataType
  int RequestDataObject(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

  // If there is an input call superclass' RequestInformation
  // otherwise set the output WHOLE_EXTENT() to be WholeExtent
  int RequestInformation(vtkInformation* request, vtkInformationVector** inputVector,
    vtkInformationVector* outputVector) override;

  virtual int SendData(vtkDataObject*, vtkMultiProcessController*);
  virtual vtkDataObject* ReceiveData(vtkMultiProcessController*);

  enum Tags
  {
    TRANSMIT_DATA_OBJECT = 23483
  };

  int OutputDataType;
  int WholeExtent[6];
  int ProcessType;
  vtkMultiProcessController* Controller;

private:
  vtkClientServerMoveData(const vtkClientServerMoveData&) = delete;
  void operator=(const vtkClientServerMoveData&) = delete;
};

#endif