00001 // @(#)root/cont:$Id: TIterator.h 23212 2008-04-14 15:30:20Z rdm $ 00002 // Author: Fons Rademakers 13/08/95 00003 00004 /************************************************************************* 00005 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. * 00006 * All rights reserved. * 00007 * * 00008 * For the licensing terms see $ROOTSYS/LICENSE. * 00009 * For the list of contributors see $ROOTSYS/README/CREDITS. * 00010 *************************************************************************/ 00011 00012 #ifndef ROOT_TIterator 00013 #define ROOT_TIterator 00014 00015 00016 ////////////////////////////////////////////////////////////////////////// 00017 // // 00018 // TIterator // 00019 // // 00020 // Iterator abstract base class. This base class provides the interface // 00021 // for collection iterators. // 00022 // // 00023 ////////////////////////////////////////////////////////////////////////// 00024 00025 #ifndef ROOT_Rtypes 00026 #include "Rtypes.h" 00027 #endif 00028 00029 class TCollection; 00030 class TObject; 00031 00032 class TIterator { 00033 00034 protected: 00035 TIterator() { } 00036 TIterator(const TIterator &) { } 00037 00038 public: 00039 virtual TIterator &operator=(const TIterator &) { return *this; } 00040 virtual ~TIterator() { } 00041 virtual const TCollection *GetCollection() const = 0; 00042 virtual Option_t *GetOption() const { return ""; } 00043 virtual TObject *Next() = 0; 00044 virtual void Reset() = 0; 00045 TObject *operator()() { return Next(); } 00046 virtual bool operator!=(const TIterator &) const; 00047 virtual TObject *operator*() const; 00048 00049 ClassDef(TIterator,0) //Iterator abstract base class 00050 }; 00051 00052 #endif
1.5.1