Method fetchHistogram

src/core/MultiGetQuery.java:624–627

Initiate the get requests and return the tree map of results. @return A non-null tree map of results (may be empty)

()

   * @return A non-null tree map of results (may be empty)
   */
  public Deferred<SortedMap<byte[], HistogramSpan>> fetchHistogram() {
    startFetch();
    return histogramResults;
  }

  /**
   * Start the work of firing up X concurrent get requests.