AutoTransaction.h

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/****************************************************************************
 *   Copyright (c) 2019 Zheng Lei (realthunder) <realthunder.dev@gmail.com> *
 *                                                                          *
 *   This file is part of the FreeCAD CAx development system.               *
 *                                                                          *
 *   This library is free software; you can redistribute it and/or          *
 *   modify it under the terms of the GNU Library General Public            *
 *   License as published by the Free Software Foundation; either           *
 *   version 2 of the License, or (at your option) any later version.       *
 *                                                                          *
 *   This library  is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of         *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          *
 *   GNU Library General Public License for more details.                   *
 *                                                                          *
 *   You should have received a copy of the GNU Library General Public      *
 *   License along with this library; see the file COPYING.LIB. If not,     *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,          *
 *   Suite 330, Boston, MA  02111-1307, USA                                 *
 *                                                                          *
 ****************************************************************************/

#pragma once

namespace Core {

class CoreApplication;

class LX_CORE_EXPORT AutoTransaction {
private:
    void* operator new(size_t size);

public:
    AutoTransaction(const char *name=0, bool tmpName=false);

    ~AutoTransaction();

    void close(bool abort=false);

    static void setEnable(bool enable);

private:
    int tid = 0;
};


class LX_CORE_EXPORT TransactionLocker {
public:

    TransactionLocker(bool lock=true);

    ~TransactionLocker();

    void activate(bool enable);

    bool isActive() const {return active;}

    static bool isLocked();

    friend class CoreApplication;

private:
    void* operator new(size_t size);

private:
    bool active;
};

} // namespace Core