source: trunk/nv/uid.hh @ 59

// Copyright (C) 2012-2013 ChaosForge / Kornel Kisielewicz
// http://chaosforge.org/
//
// This file is part of NV Libraries.
// For conditions of distribution and use, see copyright notice in nv.hh

/**
 * @file uid.hh
 * @author Kornel Kisielewicz
 * @brief Implements a unique identifier class manager
 */

#ifndef NV_UID_HH
#define NV_UID_HH

#include <nv/common.hh>
#include <unordered_map>

namespace nv
{
        class uid_store
        {
        public:
                uid_store();
                object* get( uid auid ) const;
                bool remove( uid auid );
                void insert( object* o, uid auid );
                uid insert( object* o );
                uid request_uid();
                ~uid_store();
                template< typename T >
                T* get_as( uid auid ) const 
                {
                        return dynamic_cast< T* >( get(auid) );
                }
        private:
                typedef std::unordered_map< uid, object* > map;
                map m_map;
                uid m_current;
        };
}

#endif // NV_UID_HH