FactoryHolder.h

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * 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, see <http://www.gnu.org/licenses/>.
 */
 
#ifndef TRINITY_FACTORY_HOLDER
#define TRINITY_FACTORY_HOLDER
 
#include "Define.h"
#include "ObjectRegistry.h"
#include "TypeList.h"
 
template<class T, class O, class Key = std::string>
class FactoryHolder
{
    public:
        typedef ObjectRegistry<FactoryHolder<T, O, Key>, Key> FactoryHolderRegistry;
 
        explicit FactoryHolder(Key const& k) : _key(k) { }
        virtual ~FactoryHolder() { }
 
        void RegisterSelf() { FactoryHolderRegistry::instance()->InsertItem(this, _key); }
 
        virtual T* Create(O* object = nullptr) const = 0;
    private:
        Key const _key;
};
 
template<class T>
class Permissible
{
    public:
        virtual ~Permissible() { }
        virtual int32 Permit(T const*) const = 0;
};
#endif