| Geant4 Cross Reference |
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27
28 #include "G4AttDefStore.hh"
29
30 #include "G4AttDef.hh"
31 #include "G4AutoLock.hh"
32
33 namespace G4AttDefStore {
34
35 std::map<G4String,std::map<G4String,G4AttDef>*> *m_defsmaps = nullptr;
36
37 G4Mutex mutex = G4MUTEX_INITIALIZER;
38
39 std::map<G4String,G4AttDef>*
40 GetInstance(const G4String& storeKey, G4bool& isNew)
41 {
42 G4AutoLock al(&mutex);
43
44 if (m_defsmaps == nullptr)
45 m_defsmaps = new std::map<G4String,std::map<G4String,G4AttDef>*>;
46
47 // Allocate the new map if not existing already
48 // and return it to the caller
49 //
50 std::map<G4String,G4AttDef>* definitions;
51
52 // NOLINTNEXTLINE(modernize-use-auto): Explicitly want a const_iterator
53 std::map<G4String,std::map<G4String,G4AttDef>*>::const_iterator iDefinitions =
54 m_defsmaps->find(storeKey);
55
56 if (iDefinitions == m_defsmaps->end())
57 {
58 isNew = true;
59 definitions = new std::map<G4String,G4AttDef>;
60 (*m_defsmaps)[storeKey] = definitions;
61 }
62 else
63 {
64 isNew = false;
65 definitions = iDefinitions->second;
66 }
67 return definitions;
68 }
69
70 G4bool GetStoreKey
71 (const std::map<G4String,G4AttDef>* definitions, G4String& key)
72 {
73 G4AutoLock al(&mutex);
74
75 if (m_defsmaps == nullptr)
76 m_defsmaps = new std::map<G4String,std::map<G4String,G4AttDef>*>;
77 std::map<G4String,std::map<G4String,G4AttDef>*>::const_iterator i;
78 for (i = m_defsmaps->begin(); i != m_defsmaps->end(); ++i)
79 {
80 if (i->second == definitions)
81 {
82 key = i->first;
83 return true;
84 }
85 }
86
87 return false;
88 }
89
90 } // End namespace G4AttDefStore.
91