1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
18 //-----------------------------------------------------------------------------
19 /// \class AliMUON2DMapIteratorByI
21 /// Implementation of TIterator for 2D maps
23 /// An implementation of TIterator for 2D maps, which can iterate
24 /// on a range of i values (i being the first element of the couple
25 /// (i,j) used to index values in the map).
27 /// \author Laurent Aphecetche
28 //-----------------------------------------------------------------------------
30 #include "AliMUON2DMapIteratorByI.h"
31 #include "AliMpExMapIterator.h"
32 #include "AliMpExMap.h"
36 ClassImp(AliMUON2DMapIteratorByI)
39 //_____________________________________________________________________________
40 AliMUON2DMapIteratorByI::AliMUON2DMapIteratorByI(const AliMpExMap& theMap, Int_t firstI, Int_t lastI)
43 fIter1(theMap.CreateIterator()),
53 //_____________________________________________________________________________
54 AliMUON2DMapIteratorByI&
55 AliMUON2DMapIteratorByI::operator=(const TIterator& /*rhs*/)
57 // overriden operator= (imposed by Root's definition of TIterator::operator= ?)
59 AliFatalGeneral("operator=(TIterator&)",""); // as in copy ctor
63 //_____________________________________________________________________________
64 AliMUON2DMapIteratorByI::~AliMUON2DMapIteratorByI()
71 //_____________________________________________________________________________
73 AliMUON2DMapIteratorByI::GetCollection() const
75 /// Return 0 as we're not really dealing with a Root TCollection...
79 //_____________________________________________________________________________
81 AliMUON2DMapIteratorByI::NextIterator()
83 /// Get next map (from fIter1) and create an iterator to it
85 AliMpExMap* m = static_cast<AliMpExMap*>(fIter1->Next(fCurrentI));
89 if ( fCurrentI < fFirstI || fCurrentI > fLastI ) return NextIterator(); // try again
91 return m->CreateIterator();
94 //_____________________________________________________________________________
96 AliMUON2DMapIteratorByI::Next()
98 /// return next object
100 if (!fIter2) return 0x0;
102 TObject* o = fIter2->Next();
107 fIter2 = NextIterator();
114 //_____________________________________________________________________________
116 AliMUON2DMapIteratorByI::Reset()
118 /// rewind the iterator
122 fIter2 = NextIterator();