serializable.h

/* Copyright (c) 2009-2016, Stefan Eilemann <eile@equalizergraphics.com>
 *                          Daniel Nachbaur <danielnachbaur@gmail.com>
 *
 * 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_SERIALIZABLE_H
#define CO_SERIALIZABLE_H

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

namespace co
{
namespace detail { class Serializable; }

class Serializable : public Object
{
public:
    CO_API uint64_t getDirty() const;

    CO_API bool isDirty() const override;

    CO_API virtual bool isDirty( const uint64_t dirtyBits ) const;

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

protected:
    CO_API Serializable();

    CO_API Serializable( const Serializable& );

    CO_API virtual ~Serializable();

    Serializable& operator = ( const Serializable& from )
        { Object::operator = ( from ); return *this; }

    virtual void serialize( co::DataOStream&, const uint64_t ) = 0;

    virtual void deserialize( co::DataIStream&, const uint64_t ) = 0;

    enum DirtyBits
    {
        DIRTY_NONE       = 0,
        DIRTY_CUSTOM     = 1,
        DIRTY_ALL        = 0xFFFFFFFFFFFFFFFFull
    };

    CO_API virtual void setDirty( const uint64_t bits );

    CO_API virtual void unsetDirty( const uint64_t bits );

    ChangeType getChangeType() const override { return DELTA; }

    CO_API void notifyAttached() override;

    void getInstanceData( co::DataOStream& os ) override
        { serialize( os, DIRTY_ALL ); }

    CO_API void applyInstanceData( co::DataIStream& is ) override;

    CO_API void pack( co::DataOStream& os ) final;
    CO_API void unpack( co::DataIStream& is ) final;

private:
    detail::Serializable* const _impl;
    friend class detail::Serializable;
};
}
#endif // CO_SERIALIZABLE_H