private VType decodeValue(final String[] columns, final Timestamp ts) throws Exception {
Time time = ValueFactory.newTime(ts);
Alarm alarm = ValueFactory.alarmNone();
String alarmStr = columns[severity];
if (alarmStr != null) {
for (AlarmSeverity s : AlarmSeverity.values()) {
if (alarmStr.startsWith(s.name())) {
alarm = ValueFactory.newAlarm(s, alarmStr);
break;
}
}
}
Display display = ValueFactory.displayNone();
// Determine the value type
// Try double
if (columns[float_val] != null && !columns[float_val].isEmpty()) {
Double dbl0 = Double.valueOf(columns[float_val]);
// Get array elements - if any.
final double data[] = readBlobArrayElements(dbl0, columns);
if (data.length == 1) {
return ValueFactory.newVDouble(data[0], alarm, time, display);
} else {
return ValueFactory.newVDoubleArray(new ArrayDouble(data), alarm, time, display);
}
}
// Try integer
if (columns[num_val] != null && !columns[num_val].isEmpty()) {
final int num = Integer.valueOf(columns[num_val]);
return ValueFactory.newVInt(num, alarm, time, display);
}
// Default to string
final String txt = columns[str_val];
return ValueFactory.newVString(txt, alarm, time);
}
