src/lemon/concept/graph_component.h
changeset 1134 56b07afdbf8d
parent 1106 0a7d604a9763
child 1136 8d066154b66a
     1.1 --- a/src/lemon/concept/graph_component.h	Mon Feb 07 10:48:14 2005 +0000
     1.2 +++ b/src/lemon/concept/graph_component.h	Mon Feb 07 10:49:44 2005 +0000
     1.3 @@ -25,6 +25,8 @@
     1.4  #include <lemon/invalid.h>
     1.5  #include <lemon/concept/maps.h>
     1.6  
     1.7 +#include <lemon/alteration_notifier.h>
     1.8 +
     1.9  namespace lemon {
    1.10    namespace concept {
    1.11  
    1.12 @@ -571,9 +573,11 @@
    1.13        /// Copy constructor.
    1.14        ///
    1.15        GraphIncIterator(GraphIncIterator const&) {}
    1.16 -      /// Sets the iterator to the first edge incoming into or outgoing from the node.
    1.17 +      /// Sets the iterator to the first edge incoming into or outgoing 
    1.18 +      /// from the node.
    1.19        
    1.20 -      /// Sets the iterator to the first edge incoming into or outgoing from the node.
    1.21 +      /// Sets the iterator to the first edge incoming into or outgoing 
    1.22 +      /// from the node.
    1.23        ///
    1.24        explicit GraphIncIterator(const Graph&, const typename Graph::Node&) {}
    1.25        /// Invalid constructor \& conversion.
    1.26 @@ -671,13 +675,46 @@
    1.27        void constraints() {
    1.28    	checkConcept< BaseGraphComponent, _Graph>();
    1.29  
    1.30 -	checkConcept<GraphIterator<_Graph, typename _Graph::Edge>, typename _Graph::EdgeIt >();
    1.31 -	checkConcept<GraphIterator<_Graph, typename _Graph::Node>, typename _Graph::NodeIt >();
    1.32 +	checkConcept<GraphIterator<_Graph, typename _Graph::Edge>,
    1.33 +	  typename _Graph::EdgeIt >();
    1.34 +	checkConcept<GraphIterator<_Graph, typename _Graph::Node>,
    1.35 +	  typename _Graph::NodeIt >();
    1.36  	checkConcept<GraphIncIterator<_Graph>, typename _Graph::InEdgeIt >();
    1.37  	checkConcept<GraphIncIterator<_Graph>, typename _Graph::OutEdgeIt >();
    1.38        }
    1.39      };
    1.40  
    1.41 +    /// An empty alteration notifier base graph class.
    1.42 +  
    1.43 +    /// This class provides beside the core graph features
    1.44 +    /// alteration notifier interface for the graph structure.
    1.45 +    /// This is an observer-notifier pattern. More Obsevers can
    1.46 +    /// be registered into the notifier and whenever an alteration
    1.47 +    /// occured in the graph all the observers will notified about it.
    1.48 +    class AlterableGraphComponent : virtual public BaseGraphComponent {
    1.49 +    public:
    1.50 +
    1.51 +      /// The edge observer registry.
    1.52 +      typedef AlterationNotifier<Edge> EdgeNotifier;
    1.53 +      /// The node observer registry.
    1.54 +      typedef AlterationNotifier<Node> NodeNotifier;
    1.55 +      
    1.56 +      /// \brief Gives back the edge alteration notifier.
    1.57 +      ///
    1.58 +      /// Gives back the edge alteration notifier.
    1.59 +      EdgeNotifier getNotifier(Edge) const {
    1.60 +	return EdgeNotifier();
    1.61 +      }
    1.62 +      
    1.63 +      /// \brief Gives back the node alteration notifier.
    1.64 +      ///
    1.65 +      /// Gives back the node alteration notifier.
    1.66 +      NodeNotifier getNotifier(Node) const {
    1.67 +	return NodeNotifier();
    1.68 +      }
    1.69 +      
    1.70 +    };
    1.71 +
    1.72  
    1.73      /// Class describing the concept of graph maps
    1.74  
    1.75 @@ -689,10 +726,22 @@
    1.76      protected:      
    1.77        GraphMap() {}
    1.78      public:
    1.79 +      /// \brief Construct a new map.
    1.80 +      ///
    1.81 +      /// Construct a new map for the graph.
    1.82        explicit GraphMap(const Graph&) {}
    1.83 +      /// \brief Construct a new map with default value.
    1.84 +      ///
    1.85 +      /// Construct a new map for the graph and initalise the values.
    1.86        GraphMap(const Graph&, const _Value&) {}
    1.87 +      /// \brief Copy constructor.
    1.88 +      ///
    1.89 +      /// Copy Constructor.
    1.90        GraphMap(const GraphMap&) {}
    1.91        
    1.92 +      /// \brief Assign operator.
    1.93 +      ///
    1.94 +      /// Assign operator.
    1.95        GraphMap& operator=(const GraphMap&) { return *this;}
    1.96  
    1.97        template<typename _Map>
    1.98 @@ -740,11 +789,23 @@
    1.99        private:
   1.100  	NodeMap();
   1.101        public:
   1.102 -	// \todo call the right parent class constructor
   1.103 +	/// \brief Construct a new map.
   1.104 +	///
   1.105 +	/// Construct a new map for the graph.
   1.106 +	/// \todo call the right parent class constructor
   1.107  	explicit NodeMap(const Graph&) {}
   1.108 +	/// \brief Construct a new map with default value.
   1.109 +	///
   1.110 +	/// Construct a new map for the graph and initalise the values.
   1.111  	NodeMap(const Graph&, const _Value&) {}
   1.112 +	/// \brief Copy constructor.
   1.113 +	///
   1.114 +	/// Copy Constructor.
   1.115  	NodeMap(const NodeMap&) {}
   1.116  
   1.117 +	/// \brief Assign operator.
   1.118 +	///
   1.119 +	/// Assign operator.
   1.120  	NodeMap& operator=(const NodeMap&) { return *this;}
   1.121  
   1.122        };
   1.123 @@ -758,11 +819,23 @@
   1.124        private:
   1.125  	EdgeMap();
   1.126        public:
   1.127 -	// \todo call the right parent class constructor
   1.128 +	/// \brief Construct a new map.
   1.129 +	///
   1.130 +	/// Construct a new map for the graph.
   1.131 +	/// \todo call the right parent class constructor
   1.132  	explicit EdgeMap(const Graph&) {}
   1.133 +	/// \brief Construct a new map with default value.
   1.134 +	///
   1.135 +	/// Construct a new map for the graph and initalise the values.
   1.136  	EdgeMap(const Graph&, const _Value&) {}
   1.137 +	/// \brief Copy constructor.
   1.138 +	///
   1.139 +	/// Copy Constructor.
   1.140  	EdgeMap(const EdgeMap&) {}
   1.141  
   1.142 +	/// \brief Assign operator.
   1.143 +	///
   1.144 +	/// Assign operator.
   1.145  	EdgeMap& operator=(const EdgeMap&) { return *this;}
   1.146  
   1.147        };
   1.148 @@ -780,24 +853,30 @@
   1.149  	  checkConcept<BaseGraphComponent, _Graph>();
   1.150  	  { // int map test
   1.151  	    typedef typename _Graph::template NodeMap<int> IntNodeMap;
   1.152 -	    checkConcept<GraphMap<_Graph, typename _Graph::Node, int>, IntNodeMap >();
   1.153 +	    checkConcept<GraphMap<_Graph, typename _Graph::Node, int>, 
   1.154 +	      IntNodeMap >();
   1.155  	  } { // bool map test
   1.156  	    typedef typename _Graph::template NodeMap<bool> BoolNodeMap;
   1.157 -	    checkConcept<GraphMap<_Graph, typename _Graph::Node, bool>, BoolNodeMap >();
   1.158 +	    checkConcept<GraphMap<_Graph, typename _Graph::Node, bool>,
   1.159 +	      BoolNodeMap >();
   1.160  	  } { // Type map test
   1.161  	    typedef typename _Graph::template NodeMap<Type> TypeNodeMap;
   1.162 -	    checkConcept<GraphMap<_Graph, typename _Graph::Node, Type>, TypeNodeMap >();
   1.163 +	    checkConcept<GraphMap<_Graph, typename _Graph::Node, Type>,
   1.164 +	      TypeNodeMap >();
   1.165  	  } 
   1.166  
   1.167  	  { // int map test
   1.168  	    typedef typename _Graph::template EdgeMap<int> IntEdgeMap;
   1.169 -	    checkConcept<GraphMap<_Graph, typename _Graph::Edge, int>, IntEdgeMap >();
   1.170 +	    checkConcept<GraphMap<_Graph, typename _Graph::Edge, int>,
   1.171 +	      IntEdgeMap >();
   1.172  	  } { // bool map test
   1.173  	    typedef typename _Graph::template EdgeMap<bool> BoolEdgeMap;
   1.174 -	    checkConcept<GraphMap<_Graph, typename _Graph::Edge, bool>, BoolEdgeMap >();
   1.175 +	    checkConcept<GraphMap<_Graph, typename _Graph::Edge, bool>,
   1.176 +	      BoolEdgeMap >();
   1.177  	  } { // Type map test
   1.178  	    typedef typename _Graph::template EdgeMap<Type> TypeEdgeMap;
   1.179 -	    checkConcept<GraphMap<_Graph, typename _Graph::Edge, Type>, TypeEdgeMap >();
   1.180 +	    checkConcept<GraphMap<_Graph, typename _Graph::Edge, Type>, 
   1.181 +	      TypeEdgeMap >();
   1.182  	  } 
   1.183  	}
   1.184  
   1.185 @@ -805,7 +884,13 @@
   1.186        };
   1.187      };
   1.188  
   1.189 -
   1.190 +    /// \brief An empty extendable extended graph class.
   1.191 +    ///
   1.192 +    /// This class provides beside the core graph features
   1.193 +    /// item addition interface for the graph structure.
   1.194 +    /// The difference between this class and the 
   1.195 +    /// \c BaseExtendableGraphComponent is that it should
   1.196 +    /// notify the item alteration observers.
   1.197      class ExtendableGraphComponent : virtual public BaseGraphComponent {
   1.198      public:
   1.199  
   1.200 @@ -814,10 +899,16 @@
   1.201        typedef BaseGraphComponent::Node Node;
   1.202        typedef BaseGraphComponent::Edge Edge;
   1.203  
   1.204 +      /// \brief Add a node to the graph.
   1.205 +      ///
   1.206 +      /// Add a node to the graph and notify the observers.
   1.207        Node addNode() {
   1.208  	return INVALID;
   1.209        }
   1.210      
   1.211 +      /// \brief Add an edge to the graph.
   1.212 +      ///
   1.213 +      /// Add an edge to the graph and notify the observers.
   1.214        Edge addEdge(const Node& from, const Node& to) {
   1.215  	return INVALID;
   1.216        }
   1.217 @@ -834,6 +925,14 @@
   1.218  	_Graph& graph;
   1.219        };
   1.220      };
   1.221 +
   1.222 +    /// \brief An empty erasable extended graph class.
   1.223 +    ///
   1.224 +    /// This class provides beside the core graph features
   1.225 +    /// item erase interface for the graph structure.
   1.226 +    /// The difference between this class and the 
   1.227 +    /// \c BaseErasableGraphComponent is that it should
   1.228 +    /// notify the item alteration observers.
   1.229      class ErasableGraphComponent : virtual public BaseGraphComponent {
   1.230      public:
   1.231  
   1.232 @@ -842,7 +941,14 @@
   1.233        typedef BaseGraphComponent::Node Node;
   1.234        typedef BaseGraphComponent::Edge Edge;
   1.235  
   1.236 +      /// \brief Erase the Node and notify the node alteration observers.
   1.237 +      ///
   1.238 +      ///  Erase the Node and notify the node alteration observers.
   1.239        void erase(const Node&) {}    
   1.240 +
   1.241 +      /// \brief Erase the Edge and notify the edge alteration observers.
   1.242 +      ///
   1.243 +      ///  Erase the Edge and notify the edge alteration observers.
   1.244        void erase(const Edge&) {}
   1.245  
   1.246        template <typename _Graph>