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ROOT::Browsable::RAnyObjectHolder Class Reference

Holder of any object instance.

Normally used with TFile, where any object can be read. Normally RShread or RUnique should be used

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 25 of file RAnyObjectHolder.hxx.

Public Member Functions

 RAnyObjectHolder (TClass *cl, void *obj, bool owner=false)
virtual ~RAnyObjectHolder ()
template<class T>
bool CanCastTo () const
auto Copy () const
 Clone container.
void Forget () final
 Clear all pointers without performing cleanup.
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.
const TClassGetClass () const final
 Returns class of contained object.
const void * GetObject () const final
 Returns direct (temporary) object pointer.
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.
RHolderDoCopy () const final
 Create copy of container, works only when pointer can be shared.
virtual void * GetShared () const
 Returns pointer on existing shared_ptr<T>.
void * TakeObject () final
 Returns pointer with ownership, normally via unique_ptr<T>::release() or tobj->Clone().

Private Attributes

TClassfClass {nullptr}
 ! object class
void * fObj {nullptr}
 ! plain holder without IO
bool fOwner {false}
 ! is object owner

#include <ROOT/Browsable/RAnyObjectHolder.hxx>

Inheritance diagram for ROOT::Browsable::RAnyObjectHolder:
ROOT::Browsable::RHolder

Constructor & Destructor Documentation

◆ RAnyObjectHolder()

ROOT::Browsable::RAnyObjectHolder::RAnyObjectHolder ( TClass * cl,
void * obj,
bool owner = false )
inline

Definition at line 49 of file RAnyObjectHolder.hxx.

◆ ~RAnyObjectHolder()

virtual ROOT::Browsable::RAnyObjectHolder::~RAnyObjectHolder ( )
inlinevirtual

Definition at line 50 of file RAnyObjectHolder.hxx.

Member Function Documentation

◆ AccessObject()

void * ROOT::Browsable::RAnyObjectHolder::AccessObject ( )
inlinefinalprotectedvirtual

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

Reimplemented from ROOT::Browsable::RHolder.

Definition at line 30 of file RAnyObjectHolder.hxx.

◆ CanCastTo()

template<class T>
bool ROOT::Browsable::RHolder::CanCastTo ( ) const
inlineinherited

Definition at line 67 of file RHolder.hxx.

◆ Copy()

auto ROOT::Browsable::RHolder::Copy ( ) const
inlineinherited

Clone container.

Trivial for shared_ptr and TObject holder, does not work for unique_ptr

Definition at line 85 of file RHolder.hxx.

◆ DoCopy()

RHolder * ROOT::Browsable::RAnyObjectHolder::DoCopy ( ) const
inlinefinalprotectedvirtual

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

Reimplemented from ROOT::Browsable::RHolder.

Definition at line 42 of file RAnyObjectHolder.hxx.

◆ Forget()

void ROOT::Browsable::RAnyObjectHolder::Forget ( )
inlinefinalvirtual

Clear all pointers without performing cleanup.

Reimplemented from ROOT::Browsable::RHolder.

Definition at line 56 of file RAnyObjectHolder.hxx.

◆ Get()

template<class T>
const T * ROOT::Browsable::RHolder::Get ( ) const
inlineinherited

Returns direct object pointer cast to provided class.

Definition at line 75 of file RHolder.hxx.

◆ get_object()

template<class T>
T * ROOT::Browsable::RHolder::get_object ( )
inlineinherited

Returns plains pointer on object without ownership, only can be used for TObjects.

Definition at line 121 of file RHolder.hxx.

◆ get_shared()

template<class T>
std::shared_ptr< T > ROOT::Browsable::RHolder::get_shared ( )
inlineinherited

Returns shared_ptr of contained object.

Definition at line 106 of file RHolder.hxx.

◆ get_unique()

template<class T>
std::unique_ptr< T > ROOT::Browsable::RHolder::get_unique ( )
inlineinherited

Returns unique_ptr of contained object.

Definition at line 89 of file RHolder.hxx.

◆ GetClass()

const TClass * ROOT::Browsable::RAnyObjectHolder::GetClass ( ) const
inlinefinalvirtual

Returns class of contained object.

Implements ROOT::Browsable::RHolder.

Definition at line 63 of file RAnyObjectHolder.hxx.

◆ GetObject()

const void * ROOT::Browsable::RAnyObjectHolder::GetObject ( ) const
inlinefinalvirtual

Returns direct (temporary) object pointer.

Implements ROOT::Browsable::RHolder.

Definition at line 64 of file RAnyObjectHolder.hxx.

◆ GetShared()

virtual void * ROOT::Browsable::RHolder::GetShared ( ) const
inlineprotectedvirtualinherited

Returns pointer on existing shared_ptr<T>.

Reimplemented in ROOT::Browsable::RShared< T >.

Definition at line 37 of file RHolder.hxx.

◆ InheritsFrom()

template<class T>
bool ROOT::Browsable::RHolder::InheritsFrom ( ) const
inlineinherited

Definition at line 61 of file RHolder.hxx.

◆ TakeObject()

void * ROOT::Browsable::RAnyObjectHolder::TakeObject ( )
inlinefinalprotectedvirtual

Returns pointer with ownership, normally via unique_ptr<T>::release() or tobj->Clone().

Reimplemented from ROOT::Browsable::RHolder.

Definition at line 32 of file RAnyObjectHolder.hxx.

Member Data Documentation

◆ fClass

TClass* ROOT::Browsable::RAnyObjectHolder::fClass {nullptr}
private

! object class

Definition at line 26 of file RAnyObjectHolder.hxx.

◆ fObj

void* ROOT::Browsable::RAnyObjectHolder::fObj {nullptr}
private

! plain holder without IO

Definition at line 27 of file RAnyObjectHolder.hxx.

◆ fOwner

bool ROOT::Browsable::RAnyObjectHolder::fOwner {false}
private

! is object owner

Definition at line 28 of file RAnyObjectHolder.hxx.


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