public void printStatistics() { for (StationMeta stationMeta : stationMetaMap.values()) { System.out.println(stationMeta.stationName); for (SensorMeta sensorMeta : getSensorMap(stationMeta).values()) { BTreeMap<Integer, ChunkMeta> sensorChunkMetaMap = getSensorChunkMetaMap(sensorMeta); int entryCount = 0; for (ChunkMeta chunkMeta : sensorChunkMetaMap.values()) { entryCount += chunkMeta.entryCount; } BTreeMap<Integer, Chunk> sensorChunkMap = getSensorChunkMap(sensorMeta); System.out.print( sensorMeta.sensorName + " " + sensorChunkMetaMap.size() + ";" + sensorChunkMap.size() + ":" + entryCount + " "); } System.out.println(); } for (String key : db.getAll().keySet()) { System.out.println(key); } }