/*
 Copyright (C) 2009 Erik Ogenvik

 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) any later version.

 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, write to the Free Software Foundation,
 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef IVISITOR_H_
#define IVISITOR_H_


namespace Ember::EntityMapping {

namespace Actions {
class Action;
}

namespace Matches {
class MatchBase;
}

namespace Cases {
class CaseBase;
}

/**
 * @author Erik Ogenvik <erik@ogenvik.org>
 * @brief Interface for visitor classes intended to walk the entity mapping hierarchy.
 */
struct IVisitor {
	/**
	 * @brief Dtor.
	 */
	virtual ~IVisitor() = default;

	virtual void visit(Actions::Action& action) = 0;

	virtual void visit(Matches::MatchBase& match) = 0;

	virtual void visit(Cases::CaseBase& caseBase) = 0;
};

}


#endif /* IVISITOR_H_ */
