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G4VMaterialExtension.hh
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27 // $Id: G4VMaterialExtension.hh 96776 2016-05-06 14:11:00Z vnivanch $
28 //
29 
30 //---------------------------------------------------------------------------
31 //
32 // ClassName: G4VMaterialExtension
33 //
34 // Description: Contains extended material properties
35 //
36 // Class description:
37 //
38 // Is used to define the additional material information. This class
39 // is an abstract base class to be extended for each extension.
40 // Object(s) of G4VMaterialExtension should be registered to
41 // G4ExtendedMaterial.
42 //
43 
44 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
45 
46 #ifndef G4VMATERIALEXTENSION_HH
47 #define G4VMATERIALEXTENSION_HH 1
48 
49 #include "globals.hh"
50 #include "G4ios.hh"
51 #include <functional>
52 #include <string>
53 #include "G4String.hh"
54 
55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
56 //Hash of extension material name
57 using G4MaterialExtensionHash=std::hash<std::string>;
58 
60 {
61 public: // with description
62  //
63  // Base class constructor
64  //
67  virtual ~G4VMaterialExtension() {;}
68 
69  virtual void Print() const = 0;
70 
71  // Return the hash value of this extension
72  const std::size_t& GetHash() const { return fHash;}
73  // Return the extension name
74  const G4String& GetName() const { return fName; }
75 protected:
76  // Name of the extension
77  const G4String& fName;
78  // Hash value of the name.
79  // Calculated at initialization time
80  const std::size_t fHash;
81 };
82 
83 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
84 
85 #endif
const XML_Char * name
Definition: expat.h:151
G4VMaterialExtension(const G4String &name)
virtual void Print() const =0
const std::size_t & GetHash() const
const G4String & GetName() const
std::hash< std::string > G4MaterialExtensionHash