deba@261: #ifndef MAPBASE_H
deba@261: #define MAPBASE_H
deba@261: 
deba@261: template <class GB, class K>
deba@261: class MapBase {
deba@261: public:
deba@261: 	typedef GB GraphBase;
deba@261: 	typedef MappedGraph<GraphBase> Graph;
deba@261: 
deba@261: 	typedef K KeyType;
deba@261: 	
deba@261: 
deba@261: 	MapBase() : graph(0) {}
deba@261: 	MapBase(Graph& g) : graph(&g) {graph.add(*this);}
deba@261: 
deba@261: 	virtual ~MapBase() {graph.erase(*this);}	
deba@261: 
deba@261: protected:
deba@261: 	
deba@261: 	Graph* graph;
deba@261: 
deba@261: 	int graph_index;
deba@261: 	
deba@261: 	
deba@261: 	virtual void add(const KeyType&) = 0;
deba@261: 	virtual void erase(const KeyType&) = 0;
deba@261: 
deba@261: 	friend class Graph;
deba@261: };
deba@261: 
deba@261: #endif