private String fillCommonStats(Map<Tracked, RequestCounter> stats, Tracked t) { StringBuilder sb = new StringBuilder(); int j = 0; if (j++ > 0) { sb.append(",\n"); } sb.append(" \""); sb.append(t.toString()); sb.append("\": { "); sb.append("\"total\": "); sb.append(stats.get(t).getTotalCount()); sb.append(", "); sb.append("\"operations\": "); sb.append(stats.get(t).getCount()); sb.append(", "); sb.append("\"throughput\": "); sb.append(stats.get(t).getDisplayThroughput()); sb.append(", "); sb.append("\"avg_time_ms\": "); sb.append(stats.get(t).getDisplayAverageTimeInMs()); sb.append(" }"); return sb.toString(); }