nnl::Singleton< T > Class Template Reference

Singleton design pattern impl. More...

#include <singleton.hh>

Inheritance diagram for nnl::Singleton< T >:

List of all members.

Public Member Functions
	Singleton ()
	Constructor.
virtual	~Singleton ()
	Destructor.
Static Public Member Functions
static T *	InstanceP (void)
	Get instance.
static T &	Instance (void)
	Get instance.
static T &	Instance (const char *file, unsigned line)
	Get instance.
Static Private Attributes
static T *	mpInstance = 0
	instance ptr

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Detailed Description

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

Singleton design pattern impl.

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Member Function Documentation

template<typename T>

static T& nnl::Singleton< T >::Instance	(	const char *	file,
		unsigned	line
	)			[inline, static]

Get instance.

Does not create one. In case instance is null, the exception text contains file and line.

Parameters:

	file	file name where this op is called
	line	line number where this op is called

Returns:

valid instance

Exceptions:

std::runtime_error

in case instance is null

template<typename T>

static T& nnl::Singleton< T >::Instance

(

void

)

[inline, static]

Get instance.

Does not create one.

Returns:

valid instance

Exceptions:

std::runtime_error

in case instance is null

template<typename T>

static T* nnl::Singleton< T >::InstanceP

(

void

)

[inline, static]

Get instance.

Does not create one.

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

• singleton.hh

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