VTK
dox/Common/vtkInformationIterator.h
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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    vtkInformationIterator.h
00005 
00006   Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
00007   All rights reserved.
00008   See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
00009 
00010      This software is distributed WITHOUT ANY WARRANTY; without even
00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00012      PURPOSE.  See the above copyright notice for more information.
00013 
00014 =========================================================================*/
00026 #ifndef __vtkInformationIterator_h
00027 #define __vtkInformationIterator_h
00028 
00029 #include "vtkObject.h"
00030 
00031 class vtkInformation;
00032 class vtkInformationKey;
00033 class vtkInformationIteratorInternals;
00034 
00035 class VTK_COMMON_EXPORT vtkInformationIterator : public vtkObject
00036 {
00037 public:
00038   static vtkInformationIterator *New();
00039   vtkTypeMacro(vtkInformationIterator,vtkObject);
00040   void PrintSelf(ostream& os, vtkIndent indent);
00041 
00043 
00044   void SetInformation(vtkInformation*);
00045   vtkGetObjectMacro(Information, vtkInformation);
00047 
00049   void InitTraversal() { this->GoToFirstItem(); }
00050 
00052   virtual void GoToFirstItem();
00053 
00055   virtual void GoToNextItem();
00056 
00059   virtual int IsDoneWithTraversal();
00060 
00063   virtual vtkInformationKey* GetCurrentKey();
00064 
00065 protected:
00066   vtkInformationIterator();
00067   ~vtkInformationIterator();
00068 
00069   vtkInformation* Information;
00070   vtkInformationIteratorInternals* Internal;
00071 
00072 private:
00073   vtkInformationIterator(const vtkInformationIterator&);  // Not implemented.
00074   void operator=(const vtkInformationIterator&);  // Not implemented.
00075 };
00076 
00077 #endif