BrDbElement

class description - source file - inheritance tree

class BrDbElement : public TObject


    public:

          BrDbElement BrDbElement()
          BrDbElement BrDbElement(const Char_t* classname, const Char_t* detectorname, TObject* obj)
          BrDbElement BrDbElement(BrDbElement&)
         virtual void ~BrDbElement()
       static TClass* Class()
      virtual TClass* IsA() const
         virtual void Print(Option_t* option) const
         virtual void ShowMembers(TMemberInspector& insp, char* parent)
         virtual void Streamer(TBuffer& b)
                 void StreamerNVirtual(TBuffer& b)

Data Members

    private:

        Char_t fClassName[80]     ClassName for database object
        Char_t fDetectorName[80]  Identifier of detector/magnet name
      TObject* fParameterElement  Pointer to database object.

Class Description

  BrCalibrationManager

  This manager class will be the owner of the DetectorParameter
  Objects. Its intended use if for a user module to access database
  only via this mechanism, and not by opening any files by
  themselves. It also ensures that  in the case that several user
  modules uses a given geometry it is ensured that
  a) The refer to the same object
  b) The application can use the setter methods to change values for a
     geometry constant and will thus be the same for all modules.
  c) The objects are owned by the manager and will be deleted only
     when the program exists (The instance is a static object).

  Sample code:

  The application can load the Manager and keep a global pointer
  accesible via a Brat common application file. It is in fact
  implemented via a Singleton mechanism. This enables us to use both
  the global mechanism as well as the instantons.

  Main application will have
  ---------------------------
  BrCalibrationManager *gParamDb =
    BrCalibrationManager::Instance();


  The user module should have (either in the Named Constructor
  or in the Init() method.
  ------------------------------------
  BrCalibrationManager *gParamDb =
    BrCalibrationManager::Instance();

_______________________________________________________________________

 BrDbElement

 This class is used only by the manager class.
 The objects are used to maintain what databases objects has been
 loaded via this mechanism.

~BrDbElement()

BrDbElement(const Char_t* classname, const Char_t* detectorname, TObject* obj)

void Print(Option_t* option) const

Inline Functions

        BrDbElement BrDbElement(const Char_t* classname, const Char_t* detectorname, TObject* obj)
            TClass* Class()
            TClass* IsA() const
               void ShowMembers(TMemberInspector& insp, char* parent)
               void Streamer(TBuffer& b)
               void StreamerNVirtual(TBuffer& b)
        BrDbElement BrDbElement(BrDbElement&)

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