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G4VMaterialExtension.hh
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25 //
26 //
27 //
28 
29 //---------------------------------------------------------------------------
30 //
31 // ClassName: G4VMaterialExtension
32 //
33 // Description: Contains extended material properties
34 //
35 // Class description:
36 //
37 // Is used to define the additional material information. This class
38 // is an abstract base class to be extended for each extension.
39 // Object(s) of G4VMaterialExtension should be registered to
40 // G4ExtendedMaterial.
41 //
42 
43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
44 
45 #ifndef G4VMATERIALEXTENSION_HH
46 #define G4VMATERIALEXTENSION_HH 1
47 
48 #include "globals.hh"
49 #include "G4ios.hh"
50 #include <functional>
51 #include <string>
52 #include "G4String.hh"
53 
54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
55 //Hash of extension material name
56 using G4MaterialExtensionHash=std::hash<std::string>;
57 
59 {
60 public: // with description
61  //
62  // Base class constructor
63  //
66  virtual ~G4VMaterialExtension() {;}
67 
68  virtual void Print() const = 0;
69 
70  // Return the hash value of this extension
71  const std::size_t& GetHash() const { return fHash;}
72  // Return the extension name
73  const G4String& GetName() const { return fName; }
74 protected:
75  // Name of the extension
76  const G4String& fName;
77  // Hash value of the name.
78  // Calculated at initialization time
79  const std::size_t fHash;
80 };
81 
82 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
83 
84 #endif