@Override
public IJObject access(IVisitablePointable pointable, IObjectPool<IJObject, IAType> objectPool)
throws HyracksDataException {
IJObject jObject = objectPool.allocate(BuiltinType.ASTRING);
try {
byte byteArray[] = pointable.getByteArray();
int len = pointable.getLength() - 3;
int off = pointable.getStartOffset() + 3;
baaos.reset();
if (off >= 0 && off <= byteArray.length && len >= 0 && off + len - byteArray.length <= 0) {
baaos.write(byteArray, off, len);
((JString) jObject).setValue(JObjectUtil.getNormalizedString(baaos.toString("UTF-8")));
} else {
((JString) jObject).setValue("");
}
} catch (IOException e) {
e.printStackTrace();
}
return jObject;
}
protected void finishPartialResults() throws AlgebricksException {
try {
// Double check that count 0 is accounted
if (aggType == ATypeTag.SYSTEM_NULL) {
if (GlobalConfig.DEBUG) {
GlobalConfig.ASTERIX_LOGGER.finest("AVG aggregate ran over empty input.");
}
out.writeByte(ATypeTag.SYSTEM_NULL.serialize());
} else if (aggType == ATypeTag.NULL) {
out.writeByte(ATypeTag.NULL.serialize());
} else {
sumBytes.reset();
aDouble.setValue(sum);
doubleSerde.serialize(aDouble, sumBytesOutput);
countBytes.reset();
aInt64.setValue(count);
longSerde.serialize(aInt64, countBytesOutput);
recordEval.evaluate(null);
}
} catch (IOException e) {
throw new AlgebricksException(e);
}
}
