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5fc43f28 | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
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 | **************************************************************************/ | |
15 | ||
16 | // $Id$ | |
17 | ||
3d1463c8 | 18 | //----------------------------------------------------------------------------- |
5fc43f28 | 19 | /// \class AliMUON2DMapIteratorByI |
20 | /// | |
21 | /// Implementation of TIterator for 2D maps | |
22 | /// | |
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). | |
26 | /// | |
27 | /// \author Laurent Aphecetche | |
3d1463c8 | 28 | //----------------------------------------------------------------------------- |
5fc43f28 | 29 | |
30 | #include "AliMUON2DMapIteratorByI.h" | |
630711ed | 31 | #include "AliMpExMapIterator.h" |
5fc43f28 | 32 | #include "AliMpExMap.h" |
630711ed | 33 | #include "AliLog.h" |
5fc43f28 | 34 | |
35 | /// \cond CLASSIMP | |
36 | ClassImp(AliMUON2DMapIteratorByI) | |
37 | /// \endcond | |
38 | ||
39 | //_____________________________________________________________________________ | |
630711ed | 40 | AliMUON2DMapIteratorByI::AliMUON2DMapIteratorByI(const AliMpExMap& theMap, Int_t firstI, Int_t lastI) |
5fc43f28 | 41 | : TIterator(), |
7332f213 | 42 | fkMap(&theMap), |
630711ed | 43 | fIter1(theMap.CreateIterator()), |
5fc43f28 | 44 | fIter2(0x0), |
5fc43f28 | 45 | fFirstI(firstI), |
630711ed | 46 | fLastI(lastI), |
47 | fCurrentI(-1) | |
5fc43f28 | 48 | { |
49 | /// default ctor | |
50 | Reset(); | |
51 | } | |
52 | ||
53 | //_____________________________________________________________________________ | |
6805f5be | 54 | AliMUON2DMapIteratorByI& |
55 | AliMUON2DMapIteratorByI::operator=(const TIterator& /*rhs*/) | |
5fc43f28 | 56 | { |
6805f5be | 57 | // overriden operator= (imposed by Root's definition of TIterator::operator= ?) |
630711ed | 58 | |
6805f5be | 59 | AliFatalGeneral("operator=(TIterator&)",""); // as in copy ctor |
5fc43f28 | 60 | return *this; |
61 | } | |
62 | ||
63 | //_____________________________________________________________________________ | |
64 | AliMUON2DMapIteratorByI::~AliMUON2DMapIteratorByI() | |
65 | { | |
66 | /// dtor | |
5fc43f28 | 67 | } |
68 | ||
69 | //_____________________________________________________________________________ | |
70 | const TCollection* | |
71 | AliMUON2DMapIteratorByI::GetCollection() const | |
72 | { | |
630711ed | 73 | /// Return 0 as we're not really dealing with a Root TCollection... |
5fc43f28 | 74 | return 0x0; |
75 | } | |
76 | ||
77 | //_____________________________________________________________________________ | |
630711ed | 78 | AliMpExMapIterator* |
79 | AliMUON2DMapIteratorByI::NextIterator() | |
5fc43f28 | 80 | { |
630711ed | 81 | /// Get next map (from fIter1) and create an iterator to it |
82 | ||
83 | AliMpExMap* m = static_cast<AliMpExMap*>(fIter1->Next(fCurrentI)); | |
84 | ||
85 | if (!m) return 0x0; | |
86 | ||
87 | if ( fCurrentI < fFirstI || fCurrentI > fLastI ) return NextIterator(); // try again | |
88 | ||
89 | return m->CreateIterator(); | |
5fc43f28 | 90 | } |
91 | ||
92 | //_____________________________________________________________________________ | |
93 | TObject* | |
94 | AliMUON2DMapIteratorByI::Next() | |
95 | { | |
630711ed | 96 | /// return next object |
97 | ||
5fc43f28 | 98 | if (!fIter2) return 0x0; |
99 | ||
630711ed | 100 | TObject* o = fIter2->Next(); |
101 | ||
5fc43f28 | 102 | if (!o) |
103 | { | |
630711ed | 104 | fIter2 = NextIterator(); |
105 | return Next(); | |
106 | } | |
5fc43f28 | 107 | |
108 | return o; | |
109 | } | |
110 | ||
111 | //_____________________________________________________________________________ | |
112 | void | |
113 | AliMUON2DMapIteratorByI::Reset() | |
114 | { | |
115 | /// rewind the iterator | |
5fc43f28 | 116 | |
630711ed | 117 | delete fIter2; |
118 | fIter1->Reset(); | |
119 | fIter2 = NextIterator(); | |
120 | fCurrentI = -1; | |
5fc43f28 | 121 | } |
630711ed | 122 |