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RazorBack::Refstorage_ Class Template Reference

Class Refstorage_: implements a handler and a data container that support copy-on-write and reference counting. More...

#include <Refstorage.hh>

Collaboration diagram for RazorBack::Refstorage_:

[legend]List of all members.

Protected Methods
	Refstorage_ ()
	default ctor, inits to empty.
	Refstorage_ (const T_ *Dp)
	Inits with a freshly created data object pointed to by Dp. More...
	Refstorage_ (const Refstorage_< T_ > &Rf)
	copy ctor, implements shallow copy.
virtual	~Refstorage_ ()
	destructor.
Refstorage_<T_>&	operator= (const Refstorage_< T_ > &Rhs)
	assignment.
void	unlink_old ()
	unlink_old(): unlinks old storage (decr Refcount and delete if there are no more links).
void	clone ()
	clone(): clones Storptr if it is referenced by at least another object.
void	replace_storage (const T_ *Dp)
	replace_storage(Dp): replaces old storage with new storage so that the data Dp will be stored. More...
bool	empty () const
	Returns true if there is no stored data.
const T_&	data () const
	data(): (Const) access to the stored data itself. More...
T_&	data ()
const T_*	ptr () const
	ptr(): Returns a (const) pointer to the stored data. More...
T_*	ptr ()
Private Attributes
Storage_*	Storptr

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Detailed Description

template<class T_> class RazorBack::Refstorage_

Class Refstorage_: implements a handler and a data container that support copy-on-write and reference counting.

There are no public methods: this class is intended as a (protected) base class for other classes that have lots of data. The data objects should be contained in a separate class that will be substituted as T_.

Definition at line 32 of file Refstorage.hh.

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Constructor & Destructor Documentation

template<class T_> RazorBack::Refstorage_<T_>::Refstorage_<T_> ( ) [inline, protected]

default ctor, inits to empty. Definition at line 78 of file Refstorage.hh.

template<class T_> RazorBack::Refstorage_<T_>::Refstorage_<T_> ( const T_ * Dp ) [inline, explicit, protected]

Inits with a freshly created data object pointed to by Dp. Since ownership is taken by Refstorage_, de-allocation will be performed by it. For this reason, the only wise invocation of this ctor is Refstorage_<T_>(new T_(params...)) Definition at line 87 of file Refstorage.hh.

template<class T_> RazorBack::Refstorage_<T_>::Refstorage_<T_> ( const Refstorage_< T_ > & Rf ) [inline, protected]

copy ctor, implements shallow copy. Definition at line 94 of file Refstorage.hh.

template<class T_> RazorBack::Refstorage_<T_>::~Refstorage_<T_> ( ) [inline, protected, virtual]

destructor. Definition at line 101 of file Refstorage.hh.

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Member Function Documentation

template<class T_> Refstorage_< T_ > & RazorBack::Refstorage_<T_>::operator= ( const Refstorage_< T_ > & Rhs ) [inline, protected]

assignment. Definition at line 107 of file Refstorage.hh.

template<class T_> void RazorBack::Refstorage_<T_>::unlink_old ( ) [inline, protected]

unlink_old(): unlinks old storage (decr Refcount and delete if there are no more links). Definition at line 121 of file Refstorage.hh. Referenced by clone(), operator=(), replace_storage(), and ~Refstorage_().

template<class T_> void RazorBack::Refstorage_<T_>::clone ( ) [inline, protected]

clone(): clones Storptr if it is referenced by at least another object. Definition at line 128 of file Refstorage.hh.

template<class T_> void RazorBack::Refstorage_<T_>::replace_storage ( const T_ * Dp ) [inline, protected]

replace_storage(Dp): replaces old storage with new storage so that the data Dp will be stored. The same rule applies for Dp as for the ctor with the same arg: Dp must point to a freshly created, dynamically allocated object of type T_. Definition at line 145 of file Refstorage.hh.

template<class T_> bool RazorBack::Refstorage_<T_>::empty ( ) const [inline, protected]

Returns true if there is no stored data. Definition at line 153 of file Refstorage.hh. Referenced by data(), and ptr().

template<class T_> const T_ & RazorBack::Refstorage_<T_>::data ( ) const [inline, protected]

data(): (Const) access to the stored data itself. Throws Emptyexc if the calling object was empty. Definition at line 159 of file Refstorage.hh.

template<class T_> T_ & RazorBack::Refstorage_<T_>::data ( ) [inline, protected]

Definition at line 165 of file Refstorage.hh.

template<class T_> const T_ * RazorBack::Refstorage_<T_>::ptr ( ) const [inline, protected]

ptr(): Returns a (const) pointer to the stored data. Returns NULL if the calling object was empty. Definition at line 176 of file Refstorage.hh.

template<class T_> T_ * RazorBack::Refstorage_<T_>::ptr ( ) [inline, protected]

Definition at line 177 of file Refstorage.hh.

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Member Data Documentation

template<class T_> Storage_* RazorBack::Refstorage_<T_>::Storptr [private]

Definition at line 72 of file Refstorage.hh.

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

• Refstorage.hh

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