CrawlStatSnapshot snapshot = stats.getSnapshot();
Map<String,Long> totals = new LinkedHashMap<String,Long>();
totals.put("downloadedUriCount", snapshot.downloadedUriCount);
totals.put("queuedUriCount", snapshot.queuedUriCount);
totals.put("totalUriCount", snapshot.totalCount());
totals.put("futureUriCount", snapshot.futureUriCount);
return totals;
}