dbp::singleton< T > Class Template Reference

Singleton class template. More...

#include <singleton.h>

Inheritance diagram for dbp::singleton< T >:

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Collaboration diagram for dbp::singleton< T >:

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List of all members.

Public Member Functions
bool	is_copy ()
	Check for instance copy.
Static Public Member Functions
static T &	instance ()
	Obtain a singleton object reference.

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Detailed Description

template<class T>
class dbp::singleton< T >

Singleton class template.

This class template is intended to provide singleton pattern. It is useful for development of classes that should be exist in one instance only.

Usage:

class test: public singleton<test> {
        friend class singleton<test>;
public:
        void foo();
        ...
};
...
test &t = test::instance();
t.foo();

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Member Function Documentation

template<class T>

static T& dbp::singleton< T >::instance

(

)

[inline, static]

Obtain a singleton object reference.

If the object was not instanceated, creates the instance. Returns the instance reference.

Returns:

the object instance reference

template<class T>

bool dbp::singleton< T >::is_copy

(

)

[inline]

Check for instance copy.

If the instance is not created on instance() call, the instance is a copy.

Returns:

true if the instance was just created and false otherwise.

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

• singleton.h