QxOrm 1.4.9
C++ Object Relational Mapping library
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QxSingleton.h
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1/****************************************************************************
2**
3** https://www.qxorm.com/
4** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
5**
6** This file is part of the QxOrm library
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31
32#ifndef _QX_SINGLETON_H_
33#define _QX_SINGLETON_H_
34
35#ifdef _MSC_VER
36#pragma once
37#endif
38
46#include <QtCore/qmutex.h>
47#include <QtCore/qcoreapplication.h>
48
50
51namespace qx {
52
57template <class T>
59{
60
61private:
62
63 static T * m_pSingleton;
64 static QMutex m_oMutexSingleton;
65
66protected:
67
68 QxSingleton(const QString & sKey) : IxSingleton(sKey) { ; }
69 virtual ~QxSingleton() { ; }
70
71public:
72
73 static T * getSingleton();
74 static void deleteSingleton();
75
76protected:
77
78 static bool isSingletonNull() { return (m_pSingleton == NULL); }
79
81
82};
83
84} // namespace qx
85
86#include "../../inl/QxSingleton/QxSingleton.inl"
87
88#endif // _QX_SINGLETON_H_
Common interface for all singleton of QxOrm library.
qx::IxSingleton : common interface for all singleton of QxOrm library
Definition IxSingleton.h:55
qx::QxSingleton<T> : concrete class to define a thread-safe singleton of type T
Definition QxSingleton.h:59
QxSingleton(const QString &sKey)
Definition QxSingleton.h:68
static void deleteSingleton()
static T * m_pSingleton
Singleton -> only 1 instance allowed.
Definition QxSingleton.h:63
static QMutex m_oMutexSingleton
Mutex -> 'QxSingleton' is thread-safe.
Definition QxSingleton.h:64
static T * getSingleton()
static bool isSingletonNull()
Definition QxSingleton.h:78
virtual void deleteInstance()
Definition QxSingleton.h:80
virtual ~QxSingleton()
Definition QxSingleton.h:69
Root namespace for all QxOrm library features.