objectMap.h

/* Copyright (c) 2012-2013, Daniel Nachbaur <danielnachbaur@googlemail.com>
 *               2012-2014, Stefan Eilemann <eile@eyescale.ch>
 *
 * This file is part of Collage <https://github.com/Eyescale/Collage>
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License version 2.1 as published
 * by the Free Software Foundation.
 *
 * This library 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 Lesser General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef CO_OBJECTMAP_H
#define CO_OBJECTMAP_H

#include <co/serializable.h>      // base class

namespace co
{
namespace detail { class ObjectMap; }

class ObjectMap : public Serializable
{
public:
    CO_API ObjectMap( ObjectHandler& handler, ObjectFactory& factory );

    CO_API virtual ~ObjectMap();

    CO_API bool register_( Object* object, const uint32_t type );

    CO_API bool deregister( Object* object );

    CO_API Object* map( const uint128_t& identifier, Object* instance = 0 );

    CO_API bool unmap( Object* object );

    CO_API void clear();

    CO_API uint128_t commit( const uint32_t incarnation =
                                     CO_COMMIT_NEXT ) override;

protected:
    CO_API bool isDirty() const override; 

    CO_API void serialize( DataOStream& os,
                                   const uint64_t dirtyBits ) override;

    CO_API void deserialize( DataIStream& is,
                                     const uint64_t dirtyBits ) override;
    ChangeType getChangeType() const override { return DELTA; }
    CO_API void notifyAttached() override; 

    enum DirtyBits
    {
        DIRTY_ADDED       = Serializable::DIRTY_CUSTOM << 0, // 1
        DIRTY_REMOVED     = Serializable::DIRTY_CUSTOM << 1, // 2
        DIRTY_CHANGED     = Serializable::DIRTY_CUSTOM << 2, // 4
        DIRTY_CUSTOM      = Serializable::DIRTY_CUSTOM << 3  // 8
    };

private:
    detail::ObjectMap* const _impl;

    void _commitMasters( const uint32_t incarnation );
};
}
#endif // CO_OBJECTMAP_H