@Override
public IJObject access(IVisitablePointable pointable, IObjectPool<IJObject, IAType> objectPool)
throws HyracksDataException {
byte[] b = pointable.getByteArray();
int s = pointable.getStartOffset();
long v = AInt64SerializerDeserializer.getLong(b, s + 1);
IJObject jObject = objectPool.allocate(BuiltinType.AINT64);
((JLong) jObject).setValue(v);
return jObject;
}
public static void printDayTimeDurationString(byte[] b, int s, int l, PrintStream ps)
throws HyracksDataException {
boolean positive = true;
long milliseconds = AInt64SerializerDeserializer.getLong(b, s + 1);
// set the negative flag. "||" is necessary in case that months field is not there (so it is 0)
if (milliseconds < 0) {
milliseconds *= -1;
positive = false;
}
int millisecond = gCalInstance.getDurationMillisecond(milliseconds);
int second = gCalInstance.getDurationSecond(milliseconds);
int minute = gCalInstance.getDurationMinute(milliseconds);
int hour = gCalInstance.getDurationHour(milliseconds);
int day = gCalInstance.getDurationDay(milliseconds);
if (!positive) {
ps.print("-");
}
try {
ps.print("P");
if (day != 0) {
WriteValueTools.writeInt(day, ps);
ps.print("D");
}
if (hour != 0 || minute != 0 || second != 0 || millisecond != 0) {
ps.print("T");
}
if (hour != 0) {
WriteValueTools.writeInt(hour, ps);
ps.print("H");
}
if (minute != 0) {
WriteValueTools.writeInt(minute, ps);
ps.print("M");
}
if (second != 0 || millisecond != 0) {
WriteValueTools.writeInt(second, ps);
}
if (millisecond > 0) {
ps.print(".");
WriteValueTools.writeInt(millisecond, ps);
}
if (second != 0 || millisecond != 0) {
ps.print("S");
}
} catch (IOException e) {
throw new HyracksDataException(e);
}
}
public static void printDateTimeString(byte[] b, int s, int l, PrintStream ps)
throws HyracksDataException {
long chrononTime = AInt64SerializerDeserializer.getLong(b, s + 1);
try {
gCalInstance.getExtendStringRepUntilField(
chrononTime,
0,
ps,
GregorianCalendarSystem.Fields.YEAR,
GregorianCalendarSystem.Fields.MILLISECOND,
true);
} catch (IOException e) {
throw new HyracksDataException(e);
}
}
protected void processPartialResults(IFrameTupleReference tuple) throws AlgebricksException {
if (skipStep()) {
return;
}
inputVal.reset();
eval.evaluate(tuple);
byte[] serBytes = inputVal.getByteArray();
ATypeTag typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serBytes[0]);
switch (typeTag) {
case NULL:
{
processNull();
break;
}
case SYSTEM_NULL:
{
// Ignore and return.
break;
}
case RECORD:
{
// Expected.
aggType = ATypeTag.DOUBLE;
int nullBitmapSize = 0;
int offset1 =
ARecordSerializerDeserializer.getFieldOffsetById(
serBytes, SUM_FIELD_ID, nullBitmapSize, false);
sum += ADoubleSerializerDeserializer.getDouble(serBytes, offset1);
int offset2 =
ARecordSerializerDeserializer.getFieldOffsetById(
serBytes, COUNT_FIELD_ID, nullBitmapSize, false);
count += AInt64SerializerDeserializer.getLong(serBytes, offset2);
break;
}
default:
{
throw new AlgebricksException(
"Global-Avg is not defined for values of type "
+ EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(serBytes[0]));
}
}
}
protected void processDataValues(IFrameTupleReference tuple) throws AlgebricksException {
if (skipStep()) {
return;
}
inputVal.reset();
eval.evaluate(tuple);
ATypeTag typeTag =
EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(inputVal.getByteArray()[0]);
if (typeTag == ATypeTag.NULL) {
processNull();
return;
} else if (aggType == ATypeTag.SYSTEM_NULL) {
aggType = typeTag;
} else if (typeTag != ATypeTag.SYSTEM_NULL && !ATypeHierarchy.isCompatible(typeTag, aggType)) {
throw new AlgebricksException(
"Unexpected type "
+ typeTag
+ " in aggregation input stream. Expected type "
+ aggType
+ ".");
} else if (ATypeHierarchy.canPromote(aggType, typeTag)) {
aggType = typeTag;
}
++count;
switch (typeTag) {
case INT8:
{
byte val = AInt8SerializerDeserializer.getByte(inputVal.getByteArray(), 1);
sum += val;
break;
}
case INT16:
{
short val = AInt16SerializerDeserializer.getShort(inputVal.getByteArray(), 1);
sum += val;
break;
}
case INT32:
{
int val = AInt32SerializerDeserializer.getInt(inputVal.getByteArray(), 1);
sum += val;
break;
}
case INT64:
{
long val = AInt64SerializerDeserializer.getLong(inputVal.getByteArray(), 1);
sum += val;
break;
}
case FLOAT:
{
float val = AFloatSerializerDeserializer.getFloat(inputVal.getByteArray(), 1);
sum += val;
break;
}
case DOUBLE:
{
double val = ADoubleSerializerDeserializer.getDouble(inputVal.getByteArray(), 1);
sum += val;
break;
}
default:
{
throw new NotImplementedException("Cannot compute AVG for values of type " + typeTag);
}
}
inputVal.reset();
}