/*!
 *
 * Copyright (c) 2019-2019 Diality Inc. - All Rights Reserved.
 * copyright

 *          THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM,

 *          IN PART OR IN WHOLE,

 *          WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.

 *
 * file    main.h
 * date    10/25/2019
 * author  Behrouz NematiPour
 *
 */
#pragma once

// Qt
#include <QObject>
#include <QThread>

// Project

#define SINGLETON_DECL(vCLASS)                      \
private:                                            \
    static vCLASS *_instance;                       \
    explicit vCLASS(QObject *parent = nullptr);     \
    virtual  ~vCLASS() {                            \
        delete _instance;                           \
    }                                               \
    vCLASS(vCLASS const &) = delete;                \
    vCLASS & operator = (vCLASS const &) = delete;  \
public:                                             \
    static vCLASS *I() {                            \
        if   (!_instance)                           \
               _instance = new vCLASS();            \
        return _instance;                           \
    }

#define SINGLETON_INIT(vCLASS)                      \
    vCLASS *vCLASS::_instance = nullptr;


#define SINGLETON(vCLASS)                           \
private:                                            \
    explicit vCLASS(QObject *parent = nullptr);     \
    virtual  ~vCLASS() { }                          \
    vCLASS(vCLASS const &) = delete;                \
    vCLASS & operator = (vCLASS const &) = delete;  \
public:                                             \
    static vCLASS &I() {                            \
        static vCLASS _instance;                    \
        return        _instance;                    \
    }


#define PRINT_THREAD_NAME //qDebug() << __func__ << QThread::currentThread()->objectName()