/****************************************************************************
**
** Copyright (C) 2016 Jochen Becher
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/

#ifndef QMT_MDEPENDENCY_H
#define QMT_MDEPENDENCY_H

#include "mrelation.h"

namespace qmt {

class MObject;

class QMT_EXPORT MDependency : public MRelation
{
public:
    enum Direction {
        AToB,
        BToA,
        Bidirectional
    };

    MDependency();
    MDependency(const MDependency &rhs);
    ~MDependency() override;

    MDependency &operator=(const MDependency &rhs);

    Direction direction() const { return m_direction; }
    void setDirection(Direction direction);
    Uid source() const;
    void setSource(const Uid &source);
    Uid target() const;
    void setTarget(const Uid &target);

    void accept(MVisitor *visitor) override;
    void accept(MConstVisitor *visitor) const override;

private:
    Direction m_direction;
};

} // namespace qmt

#endif // QMT_MDEPENDENCY_H
