Examples with AMutableDuration org.apache.asterix.om.base.AMutableDuration used on opensource projects

Example 11 with AMutableDuration

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);
                }
            };
        }
    };
}