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ROOT::Experimental::Browsable::TObjectHolder Class Reference

Holder of TObject instance.

Should not be used very often, while ownership is undefined for it

Author
Sergey Linev S.Lin.nosp@m.ev@g.nosp@m.si.de
Date
2019-10-19
Warning
This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is welcome!

Definition at line 26 of file TObjectHolder.hxx.

Public Member Functions

 TObjectHolder (TObject *obj, bool owner=false)
 
virtual ~TObjectHolder ()
 
const TClassGetClass () const final
 Returns class of contained object.
 
const void * GetObject () const final
 Returns direct (temporary) object pointer.
 
- Public Member Functions inherited from ROOT::Experimental::Browsable::RHolder
virtual ~RHolder ()=default
 
template<class T >
bool CanCastTo () const
 
auto Copy () const
 Clone container.
 
template<class T >
const T * Get () const
 Returns direct object pointer cast to provided class.
 
template<class T >
T * get_object ()
 Returns plains pointer on object without ownership, only can be used for TObjects.
 
template<class T >
std::shared_ptr< T > get_shared ()
 Returns shared_ptr of contained object.
 
template<class T >
std::unique_ptr< T > get_unique ()
 Returns unique_ptr of contained object.
 
template<class T >
bool InheritsFrom () const
 

Protected Member Functions

void * AccessObject () final
 Returns plain object pointer without care about ownership, should not be used often.
 
void ClearROOTOwnership (TObject *obj)
 Check if object is not registered in some global lists Prevent double deletion.
 
RHolderDoCopy () const final
 Create copy of container, works only when pointer can be shared.
 
void * TakeObject () final
 Return TObject instance with ownership If object is not owned by the holder, it will be cloned (except TDirectory or TTree classes)
 
- Protected Member Functions inherited from ROOT::Experimental::Browsable::RHolder
virtual void * GetShared () const
 Returns pointer on existing shared_ptr<T>
 

Private Attributes

void * fAdjusted {nullptr}
 ! pointer on real class returned by fObj->IsA()
 
TObjectfObj {nullptr}
 ! plain holder without IO
 
bool fOwner {false}
 ! is TObject owner
 

#include <ROOT/Browsable/TObjectHolder.hxx>

Inheritance diagram for ROOT::Experimental::Browsable::TObjectHolder:
[legend]

Constructor & Destructor Documentation

◆ TObjectHolder()

ROOT::Experimental::Browsable::TObjectHolder::TObjectHolder ( TObject obj,
bool  owner = false 
)
inline

Definition at line 36 of file TObjectHolder.hxx.

◆ ~TObjectHolder()

virtual ROOT::Experimental::Browsable::TObjectHolder::~TObjectHolder ( )
inlinevirtual

Definition at line 49 of file TObjectHolder.hxx.

Member Function Documentation

◆ AccessObject()

void * ROOT::Experimental::Browsable::TObjectHolder::AccessObject ( )
inlinefinalprotectedvirtual

Returns plain object pointer without care about ownership, should not be used often.

Reimplemented from ROOT::Experimental::Browsable::RHolder.

Definition at line 31 of file TObjectHolder.hxx.

◆ ClearROOTOwnership()

void TObjectHolder::ClearROOTOwnership ( TObject obj)
protected

Check if object is not registered in some global lists Prevent double deletion.

Definition at line 20 of file TObjectHolder.cxx.

◆ DoCopy()

RHolder * ROOT::Experimental::Browsable::TObjectHolder::DoCopy ( ) const
inlinefinalprotectedvirtual

Create copy of container, works only when pointer can be shared.

Reimplemented from ROOT::Experimental::Browsable::RHolder.

Definition at line 33 of file TObjectHolder.hxx.

◆ GetClass()

const TClass * ROOT::Experimental::Browsable::TObjectHolder::GetClass ( ) const
inlinefinalvirtual

Returns class of contained object.

Implements ROOT::Experimental::Browsable::RHolder.

Definition at line 54 of file TObjectHolder.hxx.

◆ GetObject()

const void * ROOT::Experimental::Browsable::TObjectHolder::GetObject ( ) const
inlinefinalvirtual

Returns direct (temporary) object pointer.

Implements ROOT::Experimental::Browsable::RHolder.

Definition at line 55 of file TObjectHolder.hxx.

◆ TakeObject()

void * TObjectHolder::TakeObject ( )
finalprotectedvirtual

Return TObject instance with ownership If object is not owned by the holder, it will be cloned (except TDirectory or TTree classes)

Reimplemented from ROOT::Experimental::Browsable::RHolder.

Definition at line 37 of file TObjectHolder.cxx.

Member Data Documentation

◆ fAdjusted

void* ROOT::Experimental::Browsable::TObjectHolder::fAdjusted {nullptr}
private

! pointer on real class returned by fObj->IsA()

Definition at line 28 of file TObjectHolder.hxx.

◆ fObj

TObject* ROOT::Experimental::Browsable::TObjectHolder::fObj {nullptr}
private

! plain holder without IO

Definition at line 27 of file TObjectHolder.hxx.

◆ fOwner

bool ROOT::Experimental::Browsable::TObjectHolder::fOwner {false}
private

! is TObject owner

Definition at line 29 of file TObjectHolder.hxx.

Libraries for ROOT::Experimental::Browsable::TObjectHolder:

The documentation for this class was generated from the following files: