Example #1
0
 public void setUp() {
   VertexFactory<Integer> vertexFactory = new IntegerVertexFactory();
   CompleteGraphGenerator<Integer, DefaultEdge> completeGraphGenerator =
       new CompleteGraphGenerator<>(5);
   completeGraph = new SimpleGraph<>(DefaultEdge.class);
   completeGraphGenerator.generateGraph(completeGraph, vertexFactory, new HashMap<>());
 }
  private SimpleGraph<String, DefaultEdge> buildCliqueGraph(int size) {
    SimpleGraph<String, DefaultEdge> clique = new SimpleGraph<>(DefaultEdge.class);
    CompleteGraphGenerator<String, DefaultEdge> graphGenerator = new CompleteGraphGenerator<>(size);
    graphGenerator.generateGraph(
        clique,
        new VertexFactory<String>() {

          private int index = 0;

          @Override
          public String createVertex() {
            return String.valueOf(index++);
          }
        },
        null);

    return clique;
  }
  private SimpleGraph<Integer, DefaultEdge> buildGraphForTestDisconnected(int size) {
    SimpleGraph<Integer, DefaultEdge> graph = new SimpleGraph<>(DefaultEdge.class);

    VertexFactory<Integer> vertexFactory = new IntegerVertexFactory();

    CompleteGraphGenerator<Integer, DefaultEdge> completeGraphGenerator =
        new CompleteGraphGenerator<>(size);
    // two complete graphs
    SimpleGraph<Integer, DefaultEdge> east = new SimpleGraph<>(DefaultEdge.class);
    completeGraphGenerator.generateGraph(east, vertexFactory, null);

    SimpleGraph<Integer, DefaultEdge> west = new SimpleGraph<>(DefaultEdge.class);
    completeGraphGenerator.generateGraph(west, vertexFactory, null);

    Graphs.addGraph(graph, east);
    Graphs.addGraph(graph, west);
    // connected by single edge
    graph.addEdge(size - 1, size);

    return graph;
  }