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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" | |
31 | ||
32 | #include "AliMpExMap.h" | |
33 | ||
34 | /// \cond CLASSIMP | |
35 | ClassImp(AliMUON2DMapIteratorByI) | |
36 | /// \endcond | |
37 | ||
38 | //_____________________________________________________________________________ | |
39 | AliMUON2DMapIteratorByI::AliMUON2DMapIteratorByI(const AliMpExMap& theMap, | |
40 | Int_t firstI, | |
41 | Int_t lastI) | |
42 | : TIterator(), | |
7332f213 | 43 | fkMap(&theMap), |
5fc43f28 | 44 | fIter2(0x0), |
45 | fCurrentI(-1), | |
46 | fCurrentJ(-1), | |
47 | fFirstI(firstI), | |
48 | fLastI(lastI) | |
49 | { | |
50 | /// default ctor | |
51 | Reset(); | |
52 | } | |
53 | ||
54 | //_____________________________________________________________________________ | |
55 | AliMUON2DMapIteratorByI::AliMUON2DMapIteratorByI(const AliMUON2DMapIteratorByI& rhs) | |
56 | :TIterator(rhs), | |
7332f213 | 57 | fkMap(rhs.fkMap), |
5fc43f28 | 58 | fIter2(0x0), |
59 | fCurrentI(rhs.fCurrentI), | |
60 | fCurrentJ(rhs.fCurrentJ), | |
61 | fFirstI(rhs.fFirstI), | |
62 | fLastI(rhs.fLastI) | |
63 | { | |
64 | /// copy ctor | |
65 | if ( rhs.fIter2 ) fIter2 = new TExMapIter(*(rhs.fIter2)); | |
66 | } | |
67 | ||
68 | //_____________________________________________________________________________ | |
69 | AliMUON2DMapIteratorByI& | |
70 | AliMUON2DMapIteratorByI::operator=(const AliMUON2DMapIteratorByI& rhs) | |
71 | { | |
72 | /// assignment operator | |
73 | if ( this != &rhs ) | |
74 | { | |
7332f213 | 75 | fkMap = rhs.fkMap; |
5fc43f28 | 76 | fIter2 = 0x0; |
77 | if ( rhs.fIter2 ) fIter2 = new TExMapIter(*(rhs.fIter2)); | |
78 | fCurrentI = rhs.fCurrentI; | |
79 | fCurrentJ = rhs.fCurrentJ; | |
80 | fFirstI = rhs.fFirstI; | |
81 | fLastI = rhs.fLastI; | |
82 | } | |
83 | return *this; | |
84 | } | |
85 | ||
86 | //_____________________________________________________________________________ | |
87 | TIterator& | |
88 | AliMUON2DMapIteratorByI::operator=(const TIterator& rhs) | |
89 | { | |
90 | /// overriden assigment operator (imposed by Root's declaration of TIterator ?) | |
7332f213 | 91 | if ( this != &rhs && rhs.IsA() == AliMUON2DMapIteratorByI::Class() ) |
5fc43f28 | 92 | { |
93 | const AliMUON2DMapIteratorByI& rhs1 = static_cast<const AliMUON2DMapIteratorByI&>(rhs); | |
7332f213 | 94 | fkMap = rhs1.fkMap; |
5fc43f28 | 95 | fIter2 = 0x0; |
96 | if ( rhs1.fIter2 ) fIter2 = new TExMapIter(*(rhs1.fIter2)); | |
97 | fCurrentI = rhs1.fCurrentI; | |
98 | fCurrentJ = rhs1.fCurrentJ; | |
99 | fFirstI = rhs1.fFirstI; | |
100 | fLastI = rhs1.fLastI; | |
101 | } | |
102 | return *this; | |
103 | } | |
104 | ||
105 | //_____________________________________________________________________________ | |
106 | AliMUON2DMapIteratorByI::~AliMUON2DMapIteratorByI() | |
107 | { | |
108 | /// dtor | |
109 | delete fIter2; | |
110 | } | |
111 | ||
112 | //_____________________________________________________________________________ | |
113 | const TCollection* | |
114 | AliMUON2DMapIteratorByI::GetCollection() const | |
115 | { | |
116 | /// Not implemented | |
117 | return 0x0; | |
118 | } | |
119 | ||
120 | //_____________________________________________________________________________ | |
121 | TObject* | |
122 | AliMUON2DMapIteratorByI::GetValue(TExMapIter& iter, Int_t& theKey) const | |
123 | { | |
124 | /// return the value corresponding to theKey in iterator iter | |
125 | theKey = -1; | |
126 | Long_t key, value; | |
127 | Bool_t ok = iter.Next(key,value); | |
128 | if (!ok) return 0x0; | |
129 | theKey = (Int_t)(key & 0xFFFF); | |
130 | return reinterpret_cast<TObject*>(value); | |
131 | } | |
132 | ||
133 | //_____________________________________________________________________________ | |
134 | TObject* | |
135 | AliMUON2DMapIteratorByI::Next() | |
136 | { | |
137 | /// logic : | |
138 | /// get TObject* from fIter2 | |
139 | /// if null, increment fIter2 by getting next map from fMap | |
140 | ||
141 | if (!fIter2) return 0x0; | |
142 | ||
143 | TObject* o = GetValue(*fIter2,fCurrentJ); | |
144 | if (!o) | |
145 | { | |
146 | // fIter2 exhausted, try to get the next one | |
147 | delete fIter2; | |
148 | fIter2 = 0x0; | |
149 | AliMpExMap* m(0x0); | |
150 | while ( !m && fCurrentI < fLastI ) | |
151 | { | |
152 | ++fCurrentI; | |
7332f213 | 153 | m = static_cast<AliMpExMap*>(fkMap->GetValue(fCurrentI)); |
5fc43f28 | 154 | } |
155 | if (!m) return 0x0; // we are done | |
156 | fIter2 = new TExMapIter(m->GetIterator()); | |
157 | o = GetValue(*fIter2,fCurrentJ); | |
158 | } | |
159 | ||
160 | return o; | |
161 | } | |
162 | ||
163 | //_____________________________________________________________________________ | |
164 | void | |
165 | AliMUON2DMapIteratorByI::Reset() | |
166 | { | |
167 | /// rewind the iterator | |
168 | delete fIter2; | |
169 | fIter2 = 0x0; | |
170 | fCurrentI = fFirstI; | |
171 | AliMpExMap* m; | |
172 | ||
7332f213 | 173 | while ( !( m = static_cast<AliMpExMap*>(fkMap->GetValue(fCurrentI) ) ) && |
5fc43f28 | 174 | fCurrentI < fLastI ) |
175 | { | |
176 | ++fCurrentI; | |
177 | } | |
178 | ||
179 | if ( m ) | |
180 | { | |
181 | fIter2 = new TExMapIter(m->GetIterator()); | |
182 | } | |
183 | } |