public Hashtable<_CollectionFeature, Sample> read(Tuple tuple) {
short[] data = ((Uint8Array) tuple.get(3).getValue()).serializeValue();
int target_gw = (data[2] << 8) + data[3];
int node_identifier = (data[4] << 8) + data[5];
int period = (data[6] << 8) + data[7];
int info_id = (data[8] << 8) + data[9];
int value = (data[10] << 8) + data[11];
if (log) {
try {
Timestamp ts = new Timestamp(new Date().getTime());
writer = new FileWriter(fileName, true);
writer.write(
"GW\t"
+ target_gw
+ "\tID\t"
+ node_identifier
+ "\tSEQ_NO\t"
+ period
+ "\tINFO_ID\t"
+ info_id
+ "\tVALUE\t"
+ value
+ "\t"
+ ts);
writer.write("\n");
writer.flush();
writer.close();
} catch (IOException e) {
e.printStackTrace();
}
}
Hashtable<_CollectionFeature, Sample> ret = new Hashtable<_CollectionFeature, Sample>();
Vector<Integer> v = new Vector<Integer>();
switch (info_id) {
case Constants.ROUTING_PARENT:
v.add(value);
ret.put(Parent.getFeature(), new Sample(v, new Date(System.currentTimeMillis())));
break;
case Constants.ROUTING_PARENT_LQI:
v.add(value);
ret.put(ParentQuality.getFeature(), new Sample(v, new Date(System.currentTimeMillis())));
break;
case Constants.BATTERY:
ret.put(
Battery.getFeature(),
new Sample(Battery.convert((int) value), new Date(System.currentTimeMillis())));
break;
case Constants.TEMPERATURE:
ret.put(
Temperature.getFeature(),
new Sample(Temperature.convert((int) value), new Date(System.currentTimeMillis())));
break;
}
return ret;
}
public SourceId getSource(Tuple tuple) {
short[] data = ((Uint8Array) tuple.get(3).getValue()).serializeValue();
int node_identifier = (data[4] << 8) + data[5];
return new SourceId(node_identifier);
}