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

  Program:   Visualization Toolkit
  Module:    vtkDataArrayCollectionIterator.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   vtkDataArrayCollectionIterator
 * @brief   iterator through a vtkDataArrayCollection.
 *
 * vtkDataArrayCollectionIterator provides an implementation of
 * vtkCollectionIterator which allows the items to be retrieved with
 * the proper subclass pointer type for vtkDataArrayCollection.
*/

#ifndef vtkDataArrayCollectionIterator_h
#define vtkDataArrayCollectionIterator_h

#include "vtkCommonCoreModule.h" // For export macro
#include "vtkCollectionIterator.h"

class vtkDataArray;
class vtkDataArrayCollection;

class VTKCOMMONCORE_EXPORT vtkDataArrayCollectionIterator : public vtkCollectionIterator
{
public:
  vtkTypeMacro(vtkDataArrayCollectionIterator,vtkCollectionIterator);
  void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
  static vtkDataArrayCollectionIterator* New();

  //@{
  /**
   * Set the collection over which to iterate.
   */
  void SetCollection(vtkCollection*) VTK_OVERRIDE;
  void SetCollection(vtkDataArrayCollection*);
  //@}

  /**
   * Get the item at the current iterator position.  Valid only when
   * IsDoneWithTraversal() returns 1.
   */
  vtkDataArray* GetDataArray();

protected:
  vtkDataArrayCollectionIterator();
  ~vtkDataArrayCollectionIterator() VTK_OVERRIDE;

private:
  vtkDataArrayCollectionIterator(const vtkDataArrayCollectionIterator&) VTK_DELETE_FUNCTION;
  void operator=(const vtkDataArrayCollectionIterator&) VTK_DELETE_FUNCTION;
};

#endif