serializable.h

/* Copyright (c) 2009-2012, Stefan Eilemann <eile@equalizergraphics.com> 
 *
 * 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 virtual bool isDirty() const;

        CO_API virtual bool isDirty( const uint64_t dirtyBits ) const;

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

    protected:
        CO_API Serializable();
        
        CO_API Serializable( const Serializable& );
        
        CO_API virtual ~Serializable();

        virtual void serialize( co::DataOStream&, const uint64_t ){}

        virtual void deserialize( co::DataIStream&, const uint64_t ){}

        virtual ChangeType getChangeType() const { return DELTA; }

        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 );

        CO_API virtual void notifyAttached();

    private:
        detail::Serializable* const _impl;
        friend class detail::Serializable;

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

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

        CO_API virtual void pack( co::DataOStream& os );
        CO_API virtual void unpack( co::DataIStream& is );
    };
}
#endif // CO_SERIALIZABLE_H