use of org.apache.asterix.om.base.AMutableDuration in project asterixdb by apache.
the class AIntervalStartFromDateTimeConstructorDescriptor method createEvaluatorFactory.
@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
return new IScalarEvaluatorFactory() {
private static final long serialVersionUID = 1L;
@Override
public IScalarEvaluator createScalarEvaluator(IHyracksTaskContext ctx) throws HyracksDataException {
return new IScalarEvaluator() {
private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();
private DataOutput out = resultStorage.getDataOutput();
private IPointable argPtr0 = new VoidPointable();
private IPointable argPtr1 = new VoidPointable();
private IScalarEvaluator eval0 = args[0].createScalarEvaluator(ctx);
private IScalarEvaluator eval1 = args[1].createScalarEvaluator(ctx);
private AMutableInterval aInterval = new AMutableInterval(0L, 0L, (byte) 0);
private AMutableDuration aDuration = new AMutableDuration(0, 0L);
@SuppressWarnings("unchecked")
private ISerializerDeserializer<AInterval> intervalSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINTERVAL);
private final UTF8StringPointable utf8Ptr = new UTF8StringPointable();
@Override
public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
eval0.evaluate(tuple, argPtr0);
eval1.evaluate(tuple, argPtr1);
byte[] bytes0 = argPtr0.getByteArray();
int offset0 = argPtr0.getStartOffset();
int len0 = argPtr0.getLength();
byte[] bytes1 = argPtr1.getByteArray();
int offset1 = argPtr1.getStartOffset();
int len1 = argPtr1.getLength();
try {
long intervalStart = 0, intervalEnd = 0;
if (bytes0[offset0] == ATypeTag.SERIALIZED_DATETIME_TYPE_TAG) {
intervalStart = ADateTimeSerializerDeserializer.getChronon(bytes0, offset0 + 1);
} else if (bytes0[offset0] == ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
utf8Ptr.set(bytes0, offset0 + 1, len0 - 1);
int stringLength = utf8Ptr.getUTF8Length();
int startOffset = utf8Ptr.getCharStartOffset();
// get offset for time part: +1 if it is negative (-)
short timeOffset = (short) ((bytes0[startOffset] == '-') ? 1 : 0);
timeOffset += 8;
if (bytes0[startOffset + timeOffset] != 'T') {
timeOffset += 2;
if (argPtr0.getByteArray()[startOffset + timeOffset] != 'T') {
throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
}
}
intervalStart = ADateParserFactory.parseDatePart(bytes0, startOffset, timeOffset);
intervalStart += ATimeParserFactory.parseTimePart(bytes0, startOffset + timeOffset + 1, stringLength - timeOffset - 1);
} else {
throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0], ATypeTag.SERIALIZED_DATETIME_TYPE_TAG, ATypeTag.SERIALIZED_STRING_TYPE_TAG);
}
if (bytes1[offset1] == ATypeTag.SERIALIZED_DURATION_TYPE_TAG) {
intervalEnd = DurationArithmeticOperations.addDuration(intervalStart, ADurationSerializerDeserializer.getYearMonth(bytes1, offset1 + 1), ADurationSerializerDeserializer.getDayTime(bytes1, offset1 + 1), false);
} else if (bytes1[offset1] == ATypeTag.SERIALIZED_YEAR_MONTH_DURATION_TYPE_TAG) {
intervalEnd = DurationArithmeticOperations.addDuration(intervalStart, AYearMonthDurationSerializerDeserializer.getYearMonth(bytes1, offset1 + 1), 0, false);
} else if (bytes1[offset1] == ATypeTag.SERIALIZED_DAY_TIME_DURATION_TYPE_TAG) {
intervalEnd = DurationArithmeticOperations.addDuration(intervalStart, 0, ADayTimeDurationSerializerDeserializer.getDayTime(bytes1, offset1 + 1), false);
} else if (bytes1[offset1] == ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
// duration
utf8Ptr.set(bytes1, offset1 + 1, len1 - 1);
int stringLength = utf8Ptr.getUTF8Length();
ADurationParserFactory.parseDuration(bytes1, utf8Ptr.getCharStartOffset(), stringLength, aDuration, ADurationParseOption.All);
intervalEnd = DurationArithmeticOperations.addDuration(intervalStart, aDuration.getMonths(), aDuration.getMilliseconds(), false);
} else {
throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_DATE_TYPE_TAG, ATypeTag.SERIALIZED_STRING_TYPE_TAG);
}
if (intervalEnd < intervalStart) {
throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
}
aInterval.setValue(intervalStart, intervalEnd, ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
intervalSerde.serialize(aInterval, out);
} catch (IOException e) {
throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
}
result.set(resultStorage);
}
};
}
};
}
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