molpro::profiler::WeakSingleton< Object > Struct Template Reference

Implements the mechanism for the weak singleton pattern. More...

#include <WeakSingleton.h>

Public Types
using	key_t = std::tuple< std::string, std::weak_ptr< Object >, Object * >

Public Member Functions
std::list< WeakSingleton< Profiler >::key_t >	m_register

Static Public Member Functions
template<typename... T>
static std::shared_ptr< Object >	single (const std::string &key, T &&... constructor_args)
	Creates an instance of Object or returns an already registered instance. More...
static std::shared_ptr< Object >	single ()
	Access the last registered object. More...
static void	erase (Object *obj)
	Remove object from the register. This should be called in the destructor of class that exposes this pattern. More...
static void	erase (const std::string &key)
	Remove object registered under the name key. More...
static void	clear ()
	Remove all registered objects. More...

Static Public Attributes
static std::list< key_t >	m_register
	stores all objects created by a call to single More...

Detailed Description

template<class Object>
struct molpro::profiler::WeakSingleton< Object >

Implements the mechanism for the weak singleton pattern.

Member Typedef Documentation

key_t

template<class Object >

using molpro::profiler::WeakSingleton< Object >::key_t = std::tuple<std::string, std::weak_ptr<Object>, Object*>

Member Function Documentation

clear()

template<class Object >

static void molpro::profiler::WeakSingleton< Object >::clear ( )

inlinestatic

Remove all registered objects.

erase() [1/2]

template<class Object >

static void molpro::profiler::WeakSingleton< Object >::erase ( const std::string &  key )

inlinestatic

Remove object registered under the name key.

erase() [2/2]

template<class Object >

static void molpro::profiler::WeakSingleton< Object >::erase ( Object *  obj )

inlinestatic

Remove object from the register. This should be called in the destructor of class that exposes this pattern.

m_register()

std::list< WeakSingleton< Profiler >::key_t > molpro::profiler::WeakSingleton< Profiler >::m_register

single() [1/2]

template<class Object >

static std::shared_ptr<Object> molpro::profiler::WeakSingleton< Object >::single ( )

inlinestatic

Access the last registered object.

single() [2/2]

template<class Object >

template<typename... T>

static std::shared_ptr<Object> molpro::profiler::WeakSingleton< Object >::single ( const std::string &  key, T &&...  constructor_args  )

inlinestatic

Creates an instance of Object or returns an already registered instance.

Parameters

constructor_args

arguments that should be passed to the constructor

Member Data Documentation

m_register

template<class Object >

std::list<key_t> molpro::profiler::WeakSingleton< Object >::m_register

static

stores all objects created by a call to single