Method nodeToIncidentEdges

corpus/java/training/guava/graph/Graphs.java:417–425

Returns a map that is a live view of graph, with nodes as keys and the set of incident edges as values.

(final Network<N, E> graph)

   * and the set of incident edges as values.
   */
  private static <N, E> Map<N, Set<E>> nodeToIncidentEdges(final Network<N, E> graph) {
    checkNotNull(graph, "graph");
    return Maps.asMap(graph.nodes(), new Function<N, Set<E>>() {
      @Override
      public Set<E> apply(N node) {
        return graph.incidentEdges(node);
      }
    });
  }

  private static <N> Map<N, Set<N>> nodeToAdjacentNodes(final Graph<N> graph) {
    checkNotNull(graph, "graph");