26 #ifndef vtkCompositeDataIterator_h
27 #define vtkCompositeDataIterator_h
29 #include "vtkCommonDataModelModule.h"
33 class vtkCompositeDataSetInternals;
34 class vtkCompositeDataSetIndex;
56 virtual void InitTraversal();
61 virtual void InitReverseTraversal();
66 virtual void GoToFirstItem() = 0;
71 virtual void GoToNextItem() =0;
79 virtual int IsDoneWithTraversal() =0;
97 virtual int HasCurrentMetaData() =0;
112 virtual unsigned int GetCurrentFlatIndex()=0;
118 vtkGetMacro(Reverse,
int);