public void logStructure(RollUpStructure struct) { if (!logging) { return; } long totCells = 0; log.info("Metric rollup structure constructed:"); for (GranularityLayer layer : struct.getLayers()) { long cells = layer.getNumCells(); totCells += cells; log.info(String.format("Granularity=%-20s %d cells", layer.getGranularity(), Long.valueOf(cells))); } log.info("Total cells used: " + totCells); }