vtkEnsembleSource.h

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

  Program:   Visualization Toolkit
  Module:    vtkEnsembleSource.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 vtkEnsembleSource_h
#define vtkEnsembleSource_h

#include "vtkCommonExecutionModelModule.h" // For export macro
#include "vtkAlgorithm.h"

struct vtkEnsembleSourceInternal;
class vtkTable;
class vtkInformationDataObjectMetaDataKey;
class vtkInformationIntegerRequestKey;
class vtkInformationIntegerKey;

class VTKCOMMONEXECUTIONMODEL_EXPORT vtkEnsembleSource : public vtkAlgorithm
{
public:
  static vtkEnsembleSource *New();
  vtkTypeMacro(vtkEnsembleSource,vtkAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);

  void AddMember(vtkAlgorithm*);

  void RemoveAllMembers();

  unsigned int GetNumberOfMembers();


  vtkSetMacro(CurrentMember, unsigned int);
  vtkGetMacro(CurrentMember, unsigned int);

  void SetMetaData(vtkTable*);

  static vtkInformationDataObjectMetaDataKey* META_DATA();

  static vtkInformationIntegerRequestKey* UPDATE_MEMBER();

protected:
  vtkEnsembleSource();
  ~vtkEnsembleSource();

  static vtkInformationIntegerKey* DATA_MEMBER();

  friend class vtkInformationEnsembleMemberRequestKey;

  virtual int ProcessRequest(vtkInformation *request,
                             vtkInformationVector **inputVector,
                             vtkInformationVector *outputVector);
  virtual int FillOutputPortInformation(int, vtkInformation*);

  vtkAlgorithm* GetCurrentReader(vtkInformation*);

  vtkEnsembleSourceInternal* Internal;
  unsigned int CurrentMember;

  vtkTable* MetaData;

private:
  vtkEnsembleSource(const vtkEnsembleSource&);  // Not implemented.
  void operator=(const vtkEnsembleSource&);  // Not implemented.
};

#endif