| Geant4 Cross Reference |
1 //
2 // ********************************************************************
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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 //
39 G4ThreadLocal G4FieldManagerStore* G4FieldManagerStore::fgInstance = nullptr;
40 G4ThreadLocal G4bool G4FieldManagerStore::locked = false;
41
42 // ***************************************************************************
43 // Protected constructor: Construct underlying container with
44 // initial size of 100 entries
45 // ***************************************************************************
46 //
47 G4FieldManagerStore::G4FieldManagerStore()
48 {
49 reserve(100);
50 }
51
52 // ***************************************************************************
53 // Destructor
54 // ***************************************************************************
55 //
56 G4FieldManagerStore::~G4FieldManagerStore()
57 {
58 Clean();
59 fgInstance = nullptr;
60 }
61
62 // ***************************************************************************
63 // Delete all elements from the store
64 // ***************************************************************************
65 //
66 void G4FieldManagerStore::Clean()
67 {
68 // Locks store for deletion of field managers. De-registration will be
69 // performed at this stage. G4FieldManagers will not de-register themselves.
70 //
71 locked = true;
72
73 G4FieldManagerStore* store = GetInstance();
74
75 for(const auto & pos : *store)
76 {
77 delete pos;
78 }
79
80 locked = false;
81 store->clear();
82 }
83
84 // ***************************************************************************
85 // Add field manager to container
86 // ***************************************************************************
87 //
88 void G4FieldManagerStore::Register(G4FieldManager* pFieldManager)
89 {
90 GetInstance()->push_back(pFieldManager);
91 }
92
93 // ***************************************************************************
94 // Remove volume from container
95 // ***************************************************************************
96 //
97 void G4FieldManagerStore::DeRegister(G4FieldManager* pFieldMgr)
98 {
99 if (!locked) // Do not de-register if locked !
100 {
101 for (auto i=GetInstance()->cbegin(); i!=GetInstance()->cend(); ++i)
102 {
103 if (*i==pFieldMgr) // For LogVol was **i == *pLogVolume ... Reason?
104 {
105 GetInstance()->erase(i);
106 break;
107 }
108 }
109 }
110 }
111
112 // ***************************************************************************
113 // Return ptr to Store, setting if necessary
114 // ***************************************************************************
115 //
116 G4FieldManagerStore* G4FieldManagerStore::GetInstance()
117 {
118 if (fgInstance == nullptr)
119 {
120 fgInstance = new G4FieldManagerStore;
121 }
122 return fgInstance;
123 }
124
125 // ***************************************************************************
126 // Return ptr to Store
127 // ***************************************************************************
128 //
129 G4FieldManagerStore* G4FieldManagerStore::GetInstanceIfExist()
130 {
131 return fgInstance;
132 }
133
134 // ***************************************************************************
135 // Globally reset the state
136 // ***************************************************************************
137 //
138 void
139 G4FieldManagerStore::ClearAllChordFindersState()
140 {
141 G4ChordFinder* pChordFnd;
142
143 for (const auto & mgr : *GetInstance())
144 {
145 pChordFnd = mgr->GetChordFinder();
146 if( pChordFnd != nullptr )
147 {
148 pChordFnd->ResetStepEstimate();
149 }
150 }
151 }
152