00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkCompositeDataIterator.h,v $ 00005 Language: C++ 00006 00007 Copyright (c) 1993-2002 Ken Martin, Will Schroeder, Bill Lorensen 00008 All rights reserved. 00009 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00010 00011 This software is distributed WITHOUT ANY WARRANTY; without even 00012 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00013 PURPOSE. See the above copyright notice for more information. 00014 00015 =========================================================================*/ 00033 #ifndef __vtkCompositeDataIterator_h 00034 #define __vtkCompositeDataIterator_h 00035 00036 #include "vtkObject.h" 00037 00038 class vtkDataObject; 00039 00040 class VTK_COMMON_EXPORT vtkCompositeDataIterator : public vtkObject 00041 { 00042 public: 00043 vtkTypeRevisionMacro(vtkCompositeDataIterator,vtkObject); 00044 void PrintSelf(ostream& os, vtkIndent indent); 00045 00047 void InitTraversal() { this->GoToFirstItem(); } 00048 00050 virtual void GoToFirstItem() = 0; 00051 00053 virtual void GoToNextItem() = 0; 00054 00057 virtual int IsDoneWithTraversal() = 0; 00058 00061 virtual vtkDataObject* GetCurrentDataObject() = 0; 00062 00063 protected: 00064 vtkCompositeDataIterator(); 00065 virtual ~vtkCompositeDataIterator(); 00066 00067 private: 00068 vtkCompositeDataIterator(const vtkCompositeDataIterator&); // Not implemented. 00069 void operator=(const vtkCompositeDataIterator&); // Not implemented. 00070 }; 00071 00072 #endif 00073