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);
}
}
public void removeSensorData(String stationName, String sensorName, int start, int end) {
SensorMeta sensorMeta = getSensorMeta(stationName, sensorName, false);
if (sensorMeta == null) {
log.info("no sensor: " + stationName + " " + sensorName + " -> nothing removed");
return;
}
BTreeMap<Integer, ChunkMeta> chunkMetaMap = getSensorChunkMetaMap(sensorMeta);
BTreeMap<Integer, Chunk> chunkMap = getSensorChunkMap(sensorMeta);
ChunkMeta[] allChunkMetas = chunkMetaMap.values().toArray(new ChunkMeta[0]); // proxy
for (ChunkMeta chunkMeta : allChunkMetas) {
if (start <= chunkMeta.firstTimestamp
&& chunkMeta.lastTimestamp <= end) { // remove full chunk
removeChunk(chunkMetaMap, chunkMap, chunkMeta);
} else if (start <= chunkMeta.lastTimestamp
&& chunkMeta.firstTimestamp <= end) { // partial data chunk remove
Chunk oldChunk = chunkMap.get(chunkMeta.firstTimestamp);
Chunk newChunk = removeIntervalInChunk(oldChunk, start, end);
if (newChunk != null) {
removeChunk(chunkMetaMap, chunkMap, chunkMeta);
insertChunk(chunkMetaMap, chunkMap, newChunk);
log.trace("chunk part reinserted");
} else {
log.error("chunk not removed (internal error): " + chunkMeta);
}
}
}
}
/** delete all content in db */
public void clear() {
for (StationMeta stationMeta : stationMetaMap.values()) {
BTreeMap<String, SensorMeta> sensorMap = getSensorMap(stationMeta);
for (SensorMeta sensorMeta : sensorMap.values()) {
/*BTreeMap<Integer, ChunkMeta> chunkMetaMap = getSensorChunkMetaMap(sensorMeta);
chunkMetaMap.clear();
BTreeMap<Integer, Chunk> chunkMap = getSensorChunkMap(sensorMeta);
chunkMap.clear();*/
db.delete(sensorMeta.db_name_sensor_chunkmeta_map);
db.delete(sensorMeta.db_name_sensor_chunk_map);
}
// sensorMap.clear();
db.delete(stationMeta.db_name_sensor_map);
db.delete(stationMeta.db_name_sensor_time_series_mask_map);
}
stationMetaMap.clear();
commit();
compact();
}
public int[] getStationTimeInterval(String stationName) {
throwNull(stationName);
BTreeMap<String, SensorMeta> sensorMap = getSensorMap(stationName);
if (sensorMap == null || sensorMap.isEmpty()) {
return null;
}
int minTimestamp = Integer.MAX_VALUE;
int maxTimestamp = Integer.MIN_VALUE;
for (SensorMeta sensorMeta : sensorMap.values()) {
int[] interval = getSensorTimeInterval(sensorMeta);
if (interval != null) {
if (interval[0] < minTimestamp) {
minTimestamp = interval[0];
}
if (maxTimestamp < interval[1]) {
maxTimestamp = interval[1];
}
}
}
if (minTimestamp == Integer.MAX_VALUE || maxTimestamp == Integer.MIN_VALUE) {
return null;
}
return new int[] {minTimestamp, maxTimestamp};
}