public Iterable iterableStringRepresentation()

in src/main/java/com/twitter/sbf/graph/Graph.java [501:544]

• 38 lines of code
• 7 McCabe index (conditional complexity)

  public Iterable<String> iterableStringRepresentation(DecimalFormat weightFormatter) {
    return new Iterable<String>() {
      // Not thread-safe for now
      @Override
      public Iterator<String> iterator() {
        return new Iterator<String>() {
          private int index = -1;

          public boolean hasNext() {
            return index < numVertices;
          }

          public String next() {
            if (!hasNext()) {
              return null;
            }

            if (index == -1) {
              index++;
              return "" + numVertices + " " + numEdges + (isWeighted() ? " 1" : "");
            }

            StringBuilder sb = new StringBuilder();
            Iterator<WeightedId> wni = getWeightedNeighborsIterator(index);
            boolean isFirst = true;
            while (wni.hasNext()) {
              WeightedId wn = wni.next();
              if (!isFirst) {
                sb.append(" ");
              }
              sb.append(wn.neighborId + 1); // go from 0-indexing to 1-indexing
              if (isWeighted()) {
                sb.append(" ").append(weightFormatter.format(wn.weight));
              }
              isFirst = false;
            }
            index++;
            return sb.toString();

          }
        };
      }
    };
  }