| Geant4 Cross Reference |
1 // 1
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25 //
26 //
27 // Author: Ivana Hrivnacova, 26/08/2021 (ivana
28
29 #include "G4AnalysisUtilities.hh"
30 #include "G4RootRFileDef.hh"
31
32 #include "tools/rroot/file"
33 #include "tools/rroot/rall"
34 #include "tools/rroot/streamers"
35
36 //____________________________________________
37 template <typename HT>
38 inline
39 tools::rroot::buffer* G4RootHnRFileManager<HT>
40 const G4String& fileName, const G4String& di
41 {
42 // Get buffer for reading histogram or profile
43 // for a file specified by fileName;
44 // Open the file if it was not yet open
45
46 // Histograms and profiles are not saved per
47 G4bool isPerThread = false;
48
49 // Get or open a file
50 auto rfileTuple = fRFileManager->GetRFile(fi
51 if (rfileTuple == nullptr) {
52 if ( ! fRFileManager->OpenRFile(fileName,
53 return nullptr;
54 }
55 rfileTuple = fRFileManager->GetRFile(fileN
56 }
57 auto rfile = std::get<0>(*rfileTuple);
58
59 // Get or open a directory if dirName is def
60 tools::rroot::TDirectory* histoDirectory = n
61 if ( histoDirectory == nullptr ) {
62 // Retrieve directory only once as analysi
63 // 1 histo directory par file)
64 if ( ! dirName.empty() ) {
65 histoDirectory = tools::rroot::find_dir(
66 if ( histoDirectory != nullptr ) {
67 std::get<1>(*rfileTuple) = histoDirect
68 }
69 else {
70 G4Analysis::Warn(
71 "Directory " + dirName + " not found
72 fkClass, "ReadNtupleImpl");
73 return nullptr;
74 }
75 }
76 }
77
78 // Get key
79 tools::rroot::key* key = nullptr;
80 if ( histoDirectory != nullptr ) {
81 key = histoDirectory->find_key(objectName)
82 }
83 else {
84 key = rfile->dir().find_key(objectName);
85 }
86 if (key == nullptr) {
87 G4Analysis::Warn(
88 "Key " + objectName + " for Histogram/Pr
89 fileName + ", directory " + dirName, fkC
90 return nullptr;
91 }
92
93 unsigned int size;
94 char* charBuffer = key->get_object_buffer(*r
95
96 if (charBuffer == nullptr) {
97 G4Analysis::Warn(
98 "Cannot get " + objectName + " in file "
99 fkClass, "GetBuffer");
100 return nullptr;
101 }
102
103 auto verbose = false;
104 return new tools::rroot::buffer(G4cout, rfil
105 key->key_len
106 }
107
108 //____________________________________________
109 template <>
110 inline
111 tools::histo::h1d* G4RootHnRFileManager<tools:
112 tools::rroot::buffer* buffer)
113 {
114 return tools::rroot::TH1D_stream(*buffer);
115 }
116
117 //____________________________________________
118 template <>
119 inline
120 tools::histo::h2d* G4RootHnRFileManager<tools:
121 tools::rroot::buffer* buffer)
122 {
123 return tools::rroot::TH2D_stream(*buffer);
124 }
125
126 //____________________________________________
127 template <>
128 inline
129 tools::histo::h3d* G4RootHnRFileManager<tools:
130 tools::rroot::buffer* buffer)
131 {
132 return tools::rroot::TH3D_stream(*buffer);
133 }
134
135 //____________________________________________
136 template <>
137 inline
138 tools::histo::p1d* G4RootHnRFileManager<tools:
139 tools::rroot::buffer* buffer)
140 {
141 return tools::rroot::TProfile_stream(*buffer
142 }
143
144 //____________________________________________
145 template <>
146 inline
147 tools::histo::p2d* G4RootHnRFileManager<tools:
148 tools::rroot::buffer* buffer)
149 {
150 return tools::rroot::TProfile2D_stream(*buff
151 }
152
153 //____________________________________________
154 template <typename HT>
155 inline
156 HT* G4RootHnRFileManager<HT>::Read(
157 const G4String& htName, const G4String& file
158 G4bool /*isUserFileName*/)
159 {
160 auto buffer = GetBuffer(fileName, dirName, h
161 if ( ! buffer ) {
162 return nullptr;
163 }
164
165 auto ht = ReadT(buffer);
166 delete buffer;
167
168 if ( ! ht ) {
169 G4Analysis::Warn(
170 "Streaming " + htName + " in file " + fi
171 fkClass, "Read");
172 return nullptr;
173 }
174
175 return ht;
176 }
177