TuttleOFX/libraries/tuttle/src/tuttle/host/memory/LinkData.hpp

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#ifndef _TUTTLE_HOST_LINKDATA_HPP_
#define _TUTTLE_HOST_LINKDATA_HPP_

#include "MemoryPool.hpp"

namespace tuttle {
namespace host {
namespace memory {

/**
 * @brief A link to an external buffer which can't be managed by the MemoryPool.
 */
class LinkData : public IPoolData
{
        LinkData();
        LinkData( const LinkData& );
        
public:
        LinkData( char* dataLink )
        : _dataLink(dataLink)
        {}

        ~LinkData ()
        {
                // we don't own _dataLink
        }

        char*        data() { return _dataLink; }
        const char*  data() const { return _dataLink; }

        const size_t size() const { return 0; }
        const size_t reservedSize() const { return 0; }

        void addRef() {}
        void release() {}

private:
        char* const _dataLink;
};

}
}
}

#endif