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/*=========================================================================
Program: Visualization Toolkit
Module: vtkPVMultiServerDataSource.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.
=========================================================================*/
/**
* @class vtkPVMultiServerDataSource
*
* VTK class that handle the fetch of remote data
*/
#ifndef vtkPVMultiServerDataSource_h
#define vtkPVMultiServerDataSource_h
#include "vtkDataObjectAlgorithm.h"
#include "vtkPVServerManagerDefaultModule.h" //needed for exports
class vtkSMSourceProxy;
class vtkInformation;
class vtkInformationVector;
class VTKPVSERVERMANAGERDEFAULT_EXPORT vtkPVMultiServerDataSource : public vtkDataObjectAlgorithm
{
public:
static vtkPVMultiServerDataSource* New();
vtkTypeMacro(vtkPVMultiServerDataSource, vtkDataObjectAlgorithm);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* Bind vtk object with a given external proxy
*/
virtual void SetExternalProxy(vtkSMSourceProxy* proxyFromAnotherServer, int portNumber = 0);
/**
* Method that need to be called when the data has changed and need to be updated...
*/
virtual void FetchData(vtkDataObject* dataObjectToFill);
protected:
vtkPVMultiServerDataSource();
~vtkPVMultiServerDataSource();
// call 1
virtual int RequestDataObject(vtkInformation*, vtkInformationVector** vtkNotUsed(inputVector),
vtkInformationVector* outputVector) VTK_OVERRIDE;
// call 2
virtual int RequestInformation(
vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector) VTK_OVERRIDE;
// call 3
virtual int RequestUpdateExtent(
vtkInformation*, vtkInformationVector**, vtkInformationVector*) VTK_OVERRIDE;
// call 4
virtual int RequestData(
vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector) VTK_OVERRIDE;
private:
vtkPVMultiServerDataSource(const vtkPVMultiServerDataSource&) VTK_DELETE_FUNCTION;
void operator=(const vtkPVMultiServerDataSource&) VTK_DELETE_FUNCTION;
struct vtkInternal;
vtkInternal* Internal;
};
#endif
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