relation.h
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relation.h
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	/*
	* <one line to give the library's name and an idea of what it does.>
	* Copyright 2013 Vishesh Handa <me@vhanda.in>
	*
	* This program is free software; you can redistribute it and/or
	* modify it under the terms of the GNU General Public License as
	* published by the Free Software Foundation; either version 2 of
	* the License or (at your option) version 3 or any later version
	* accepted by the membership of KDE e.V. (or its successor approved
	* by the membership of KDE e.V.), which shall act as a proxy
	* defined in Section 14 of version 3 of the license.
	*
	* This program 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 General Public License for more details.
	*
	* You should have received a copy of the GNU General Public License
	* along with this program. If not, see <http://www.gnu.org/licenses/>.
	*
	*/

	#ifndef RELATION_H
	#define RELATION_H

	#include "core_export.h"
	#include <QByteArray>
	#include <QMetaType>

	namespace Baloo {

	class Item;

	/**
	* This class represents a way of connecting any two Items.
	*/
	class BALOO_CORE_EXPORT Relation
	{
	public:
	virtual ~Relation();

	/**
	* The from must be of type fromType
	*/
	virtual QByteArray fromType() const { return QByteArray("Item"); }
	virtual QByteArray toType() const { return QByteArray("Item"); }
	};

	}

	Q_DECLARE_METATYPE(Baloo::Relation);

	#endif // RELATION_H