giri::Singleton< T > Class Template Reference

Singleton Template Class. More...

#include <Singleton.h>

Inheritance diagram for giri::Singleton< T >:

Collaboration diagram for giri::Singleton< T >:

Static Public Member Functions
template<typename... Args>
static T *	getInstance (Args... args)
	Generates a static Variable which can only be instanced once. Parameters depend on the inheriting class. More...
static void	destroy ()
	Destroys the Object held by the Singleton.

Additional Inherited Members
Public Types inherited from giri::Object< T >
using	SPtr = std::shared_ptr< T >
using	UPtr = std::unique_ptr< T >
using	WPtr = std::weak_ptr< T >

Detailed Description

template<typename T>
class giri::Singleton< T >

Singleton Template Class.

Example Usage:

#include <Singleton.h>
#include <iostream>
 
using namespace giri;
 
// Class Implementation
class MyClass : public Singleton<MyClass> 
{
public:
    // Class implementation belongs here
    void identify(){
        std::cout << "Hi, i am " << this << std::endl;
    }
    using UPtr = std::unique_ptr<MyClass>;
    ~MyClass(){
        std::cout << "Destroyed!" << std::endl;
    }
protected:
    // protect ctor, only Singleton may call it
    MyClass(){
        std::cout << "Created!" << std::endl;
    }
    friend class Singleton<MyClass>;
};
// use Singleton
int main(int argc, char *argv[]){
    MyClass::getInstance()->identify(); // Created!
    MyClass::getInstance()->identify();
    MyClass::destroy(); // Destroyed!
    MyClass::getInstance()->identify(); // Created!
    return EXIT_SUCCESS;
}

Member Function Documentation

getInstance()

template<typename T >

template<typename... Args>

static T* giri::Singleton< T >::getInstance ( Args...  args )

inlinestatic

Generates a static Variable which can only be instanced once. Parameters depend on the inheriting class.

Returns

Pointer to the only existing instance.

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

• Singleton.h