/*
 * Copyright (C) 2005-2011 MaNGOS <http://getmangos.com/>
 * Copyright (C) 2009-2011 MaNGOSZero <https://github.com/mangos/zero>
 * Copyright (C) 2011-2016 Nostalrius <https://nostalrius.org>
 * Copyright (C) 2016-2017 Elysium Project <https://github.com/elysium-project>
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef _GRIDREFERENCE_H
#define _GRIDREFERENCE_H

#include "Utilities/LinkedReference/Reference.h"

template<class OBJECT> class GridRefManager;

template<class OBJECT>
class MANGOS_DLL_SPEC GridReference : public Reference<GridRefManager<OBJECT>, OBJECT>
{
 protected:

 void targetObjectBuildLink()
 {
 // called from link()
 this->getTarget()->insertFirst(this);
 this->getTarget()->incSize();
 }

 void targetObjectDestroyLink()
 {
 // called from unlink()
 if (this->isValid())
 this->getTarget()->decSize();
 }

 void sourceObjectDestroyLink()
 {
 // called from invalidate()
 this->getTarget()->decSize();
 }

 public:

 GridReference()
 : Reference<GridRefManager<OBJECT>, OBJECT>()
 {
 }

 ~GridReference()
 {
 this->unlink();
 }

 GridReference *next()
 {
 return (GridReference*)Reference<GridRefManager<OBJECT>, OBJECT>::next();
 }
};

#endif