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25 //
26 //
27 // 23-Jan-2009 V.Ivanchenko make the class to be a singleton
28 // 17-Aug-2012 V.Ivanchenko added hadronic model factories
29
30 #include "G4NuclearPolarizationStore.hh"
31 #include "G4SystemOfUnits.hh"
32
33 G4ThreadLocal G4NuclearPolarizationStore*
34 G4NuclearPolarizationStore::instance = nullptr;
35
36 G4NuclearPolarizationStore* G4NuclearPolarizationStore::GetInstance()
37 {
38 if(nullptr == instance) {
39 static G4ThreadLocalSingleton<G4NuclearPolarizationStore> inst;
40 instance = inst.Instance();
41 }
42 return instance;
43 }
44
45 G4NuclearPolarizationStore::G4NuclearPolarizationStore()
46 {
47 for(G4int i=0; i<maxNumStates; ++i) { nuclist[i] = nullptr; }
48 oldIdx = 0;
49 }
50
51 G4NuclearPolarizationStore::~G4NuclearPolarizationStore()
52 {
53 for(G4int i=0; i<maxNumStates; ++i) {
54 delete nuclist[i];
55 nuclist[i] = nullptr;
56 }
57 }
58
59 void G4NuclearPolarizationStore::Register(G4NuclearPolarization* ptr)
60 {
61 G4int idx = -1;
62 for(G4int i=0; i<maxNumStates; ++i) {
63 if(ptr == nuclist[i]) { return; }
64 if(nullptr == nuclist[i]) { idx = i; }
65 }
66 if(idx >= 0) {
67 nuclist[idx] = ptr;
68 return;
69 }
70 // delete oldest object
71 delete nuclist[oldIdx];
72 nuclist[oldIdx] = ptr;
73 // redefine oldIdx
74 ++oldIdx;
75 if(oldIdx >= maxNumStates) { oldIdx = 0; }
76 }
77
78 G4NuclearPolarization*
79 G4NuclearPolarizationStore::FindOrBuild(G4int Z, G4int A, G4double Eexc)
80 {
81 static const G4double tolerance = 10.*CLHEP::eV;
82 for(G4int i=0; i<maxNumStates; ++i) {
83 auto nucp = nuclist[i];
84 if(nucp && Z == nucp->GetZ() && A == nucp->GetA() &&
85 std::abs(Eexc - nucp->GetExcitationEnergy()) < tolerance) {
86 return nucp;
87 }
88 }
89 G4NuclearPolarization* ptr = new G4NuclearPolarization(Z, A, Eexc);
90 Register(ptr);
91 return ptr;
92 }
93
94 void G4NuclearPolarizationStore::RemoveMe(G4NuclearPolarization* ptr)
95 {
96 for(G4int i=0; i<maxNumStates; ++i) {
97 if(ptr == nuclist[i]) {
98 delete ptr;
99 nuclist[i] = nullptr;
100 // do we need redefine oldIdx?
101 if(i == oldIdx) {
102 for(G4int j=0; j<maxNumStates; ++j) {
103 if(j != i && nullptr != nuclist[j]) {
104 oldIdx = j;
105 return;
106 }
107 }
108 oldIdx = i;
109 }
110 return;
111 }
112 }
113 }
114