Fluent APIs for Graph

FluentGraph.java

UndirectedMutableWeightedGraph<BaseLabeledVertex, BaseLabeledWeightedEdge> graph =
        newUndirectedMutableWeightedGraph( new AbstractGraphConnection<BaseLabeledVertex, BaseLabeledWeightedEdge>()
        {

            public void connect()
            {
                BaseLabeledVertex start = addVertex( new BaseLabeledVertex( "start" ) );
                BaseLabeledVertex a = addVertex( new BaseLabeledVertex( "a" ) );
                BaseLabeledVertex b = addVertex( new BaseLabeledVertex( "b" ) );
                BaseLabeledVertex c = addVertex( new BaseLabeledVertex( "c" ) );
                BaseLabeledVertex d = addVertex( new BaseLabeledVertex( "d" ) );
                BaseLabeledVertex e = addVertex( new BaseLabeledVertex( "e" ) );
                BaseLabeledVertex goal = addVertex( new BaseLabeledVertex( "goal" ) );

                addEdge( new BaseLabeledWeightedEdge( "start <-> a", 1.5D ) ).from( start ).to( a );
                addEdge( new BaseLabeledWeightedEdge( "start <-> d", 2D ) ).from( start ).to( d );

                addEdge( new BaseLabeledWeightedEdge( "a <-> b", 2D ) ).from( a ).to( b );
                addEdge( new BaseLabeledWeightedEdge( "b <-> c", 3D ) ).from( b ).to( c );
                addEdge( new BaseLabeledWeightedEdge( "c <-> goal", 3D ) ).from( c ).to( goal );

                addEdge( new BaseLabeledWeightedEdge( "d <-> e", 3D ) ).from( d ).to( e );
                addEdge( new BaseLabeledWeightedEdge( "e <-> goal", 2D ) ).from( e ).to( goal );
            }

        } );