ECCE @ EIC Software
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4FieldManagerStore.cc
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file G4FieldManagerStore.cc
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 // G4FieldManagerStore implementation
27 //
28 // Author: J.Apostolakis, 07.12.2007 - Adapted from G4LogicalVolumeStore
29 // --------------------------------------------------------------------
30 
31 #include "G4Types.hh"
32 #include "G4FieldManagerStore.hh"
33 #include "G4ChordFinder.hh"
34 
35 // ***************************************************************************
36 // Static class variables
37 // ***************************************************************************
38 //
41 
42 // ***************************************************************************
43 // Protected constructor: Construct underlying container with
44 // initial size of 100 entries
45 // ***************************************************************************
46 //
48  : std::vector<G4FieldManager*>()
49 {
50  reserve(100);
51 }
52 
53 // ***************************************************************************
54 // Destructor
55 // ***************************************************************************
56 //
58 {
59  Clean();
60  fgInstance = nullptr;
61 }
62 
63 // ***************************************************************************
64 // Delete all elements from the store
65 // ***************************************************************************
66 //
68 {
69  // Locks store for deletion of field managers. De-registration will be
70  // performed at this stage. G4FieldManagers will not de-register themselves.
71  //
72  locked = true;
73 
74  size_t i=0;
76 
77  for(auto pos=store->cbegin(); pos!=store->cend(); ++pos)
78  {
79  if (*pos) { delete *pos; }
80  i++;
81  }
82 
83 #ifdef G4GEOMETRY_DEBUG
84  if (store->size() < i-1)
85  {
86  G4cout << "No field managers deleted. Already deleted by user ?" << G4endl;
87  }
88  else
89  {
90  G4cout << i-1 << " field managers deleted !" << G4endl;
91  }
92 #endif
93 
94  locked = false;
95  store->clear();
96 }
97 
98 // ***************************************************************************
99 // Add field manager to container
100 // ***************************************************************************
101 //
103 {
104  GetInstance()->push_back(pFieldManager);
105 }
106 
107 // ***************************************************************************
108 // Remove volume from container
109 // ***************************************************************************
110 //
112 {
113  if (!locked) // Do not de-register if locked !
114  {
115  for (auto i=GetInstance()->cbegin(); i!=GetInstance()->cend(); ++i)
116  {
117  if (*i==pFieldMgr) // For LogVol was **i == *pLogVolume ... Reason?
118  {
119  GetInstance()->erase(i);
120  break;
121  }
122  }
123  }
124 }
125 
126 // ***************************************************************************
127 // Return ptr to Store, setting if necessary
128 // ***************************************************************************
129 //
131 {
132  if (fgInstance == nullptr)
133  {
135  }
136  return fgInstance;
137 }
138 
139 // ***************************************************************************
140 // Return ptr to Store
141 // ***************************************************************************
142 //
144 {
145  return fgInstance;
146 }
147 
148 // ***************************************************************************
149 // Globally reset the state
150 // ***************************************************************************
151 //
152 void
154 {
155  G4ChordFinder* pChordFnd;
156 
157  for (auto i=GetInstance()->cbegin(); i!=GetInstance()->cend(); ++i)
158  {
159  pChordFnd = (*i)->GetChordFinder();
160  if( pChordFnd != nullptr )
161  {
162  pChordFnd->ResetStepEstimate();
163  }
164  }
165 }