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

Example 6 with AMutableDate

use of org.apache.asterix.om.base.AMutableDate in project asterixdb by apache.

the class CurrentDateDescriptor method createEvaluatorFactory.

@Override
public IScalarEvaluatorFactory createEvaluatorFactory(IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private DataOutput out = resultStorage.getDataOutput();

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<ADate> dateSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATE);

                private AMutableDate aDate = new AMutableDate(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    int dateChronon = (int) (System.currentTimeMillis() / GregorianCalendarSystem.CHRONON_OF_DAY);
                    aDate.setValue(dateChronon);
                    dateSerde.serialize(aDate, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 7 with AMutableDate

use of org.apache.asterix.om.base.AMutableDate in project asterixdb by apache.

the class DateFromDatetimeDescriptor method createEvaluatorFactory.

@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) {
    return new IScalarEvaluatorFactory() {

        private static final long serialVersionUID = 1L;

        @Override
        public IScalarEvaluator createScalarEvaluator(final IHyracksTaskContext ctx) throws HyracksDataException {
            return new IScalarEvaluator() {

                private ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private DataOutput out = resultStorage.getDataOutput();

                private IPointable argPtr = new VoidPointable();

                private IScalarEvaluator eval = args[0].createScalarEvaluator(ctx);

                // possible returning types
                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<ADate> dateSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATE);

                private AMutableDate aDate = new AMutableDate(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval.evaluate(tuple, argPtr);
                    byte[] bytes = argPtr.getByteArray();
                    int offset = argPtr.getStartOffset();
                    if (bytes[offset] != ATypeTag.SERIALIZED_DATETIME_TYPE_TAG) {
                        throw new TypeMismatchException(getIdentifier(), 0, bytes[offset], ATypeTag.SERIALIZED_DATETIME_TYPE_TAG);
                    }
                    long datetimeChronon = ADateTimeSerializerDeserializer.getChronon(bytes, offset + 1);
                    int dateChrononInDays = (int) (datetimeChronon / GregorianCalendarSystem.CHRONON_OF_DAY);
                    if (dateChrononInDays < 0 && datetimeChronon % GregorianCalendarSystem.CHRONON_OF_DAY != 0) {
                        dateChrononInDays -= 1;
                    }
                    aDate.setValue(dateChrononInDays);
                    dateSerde.serialize(aDate, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 8 with AMutableDate

use of org.apache.asterix.om.base.AMutableDate in project asterixdb by apache.

the class TemporalIntervalEndDateAccessor 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 final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();

                private final DataOutput out = resultStorage.getDataOutput();

                private final IPointable argPtr = new VoidPointable();

                private final IScalarEvaluator eval = args[0].createScalarEvaluator(ctx);

                // possible output
                @SuppressWarnings("unchecked")
                private final ISerializerDeserializer<ADate> dateSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATE);

                private final AMutableDate aDate = new AMutableDate(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    eval.evaluate(tuple, argPtr);
                    byte[] bytes = argPtr.getByteArray();
                    int startOffset = argPtr.getStartOffset();
                    resultStorage.reset();
                    try {
                        if (bytes[startOffset] == ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG) {
                            byte timeType = AIntervalSerializerDeserializer.getIntervalTimeType(bytes, startOffset + 1);
                            long endTime = AIntervalSerializerDeserializer.getIntervalEnd(bytes, startOffset + 1);
                            if (timeType == ATypeTag.SERIALIZED_DATE_TYPE_TAG) {
                                aDate.setValue((int) (endTime));
                                dateSerde.serialize(aDate, out);
                            } else {
                                throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
                            }
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, bytes[startOffset], ATypeTag.SERIALIZED_INTERVAL_TYPE_TAG);
                        }
                    } catch (IOException e) {
                        throw new HyracksDataException(e);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 9 with AMutableDate

use of org.apache.asterix.om.base.AMutableDate in project asterixdb by apache.

the class AbstractNumericArithmeticEval method createEvaluatorFactory.

@Override
public IScalarEvaluatorFactory createEvaluatorFactory(final IScalarEvaluatorFactory[] args) throws AlgebricksException {
    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 evalLeft = args[0].createScalarEvaluator(ctx);

                private IScalarEvaluator evalRight = args[1].createScalarEvaluator(ctx);

                private double[] operandsFloating = new double[args.length];

                private long[] operandsInteger = new long[args.length];

                private int resultType;

                protected static final int typeInt8 = 1;

                protected static final int typeInt16 = 2;

                protected static final int typeInt32 = 3;

                protected static final int typeInt64 = 4;

                protected static final int typeFloat = 5;

                protected static final int typeDouble = 6;

                protected AMutableFloat aFloat = new AMutableFloat(0);

                protected AMutableDouble aDouble = new AMutableDouble(0);

                protected AMutableInt64 aInt64 = new AMutableInt64(0);

                protected AMutableInt32 aInt32 = new AMutableInt32(0);

                protected AMutableInt16 aInt16 = new AMutableInt16((short) 0);

                protected AMutableInt8 aInt8 = new AMutableInt8((byte) 0);

                protected AMutableDuration aDuration = new AMutableDuration(0, 0);

                protected AMutableDate aDate = new AMutableDate(0);

                protected AMutableTime aTime = new AMutableTime(0);

                protected AMutableDateTime aDatetime = new AMutableDateTime(0);

                private ATypeTag typeTag;

                @SuppressWarnings("rawtypes")
                private ISerializerDeserializer serde;

                @SuppressWarnings("unchecked")
                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    resultType = 0;
                    int currentType;
                    evalLeft.evaluate(tuple, argPtr0);
                    evalRight.evaluate(tuple, argPtr1);
                    for (int i = 0; i < args.length; i++) {
                        IPointable argPtr = i == 0 ? argPtr0 : argPtr1;
                        byte[] bytes = argPtr.getByteArray();
                        int offset = argPtr.getStartOffset();
                        typeTag = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes[offset]);
                        switch(typeTag) {
                            case TINYINT:
                                currentType = typeInt8;
                                operandsInteger[i] = AInt8SerializerDeserializer.getByte(bytes, offset + 1);
                                operandsFloating[i] = operandsInteger[i];
                                break;
                            case SMALLINT:
                                currentType = typeInt16;
                                operandsInteger[i] = AInt16SerializerDeserializer.getShort(bytes, offset + 1);
                                operandsFloating[i] = operandsInteger[i];
                                break;
                            case INTEGER:
                                currentType = typeInt32;
                                operandsInteger[i] = AInt32SerializerDeserializer.getInt(bytes, offset + 1);
                                operandsFloating[i] = operandsInteger[i];
                                break;
                            case BIGINT:
                                currentType = typeInt64;
                                operandsInteger[i] = AInt64SerializerDeserializer.getLong(bytes, offset + 1);
                                operandsFloating[i] = operandsInteger[i];
                                break;
                            case FLOAT:
                                currentType = typeFloat;
                                operandsFloating[i] = AFloatSerializerDeserializer.getFloat(bytes, offset + 1);
                                break;
                            case DOUBLE:
                                currentType = typeDouble;
                                operandsFloating[i] = ADoubleSerializerDeserializer.getDouble(bytes, offset + 1);
                                break;
                            case DATE:
                            case TIME:
                            case DATETIME:
                            case DURATION:
                            case YEARMONTHDURATION:
                            case DAYTIMEDURATION:
                                evaluateTemporalArthmeticOperation(typeTag);
                                result.set(resultStorage);
                                return;
                            default:
                                throw new TypeMismatchException(getIdentifier(), i, bytes[offset], ATypeTag.SERIALIZED_INT8_TYPE_TAG, ATypeTag.SERIALIZED_INT16_TYPE_TAG, ATypeTag.SERIALIZED_INT32_TYPE_TAG, ATypeTag.SERIALIZED_INT64_TYPE_TAG, ATypeTag.SERIALIZED_FLOAT_TYPE_TAG, ATypeTag.SERIALIZED_DOUBLE_TYPE_TAG, ATypeTag.SERIALIZED_DATE_TYPE_TAG, ATypeTag.SERIALIZED_TIME_TYPE_TAG, ATypeTag.SERIALIZED_DATETIME_TYPE_TAG, ATypeTag.SERIALIZED_DURATION_TYPE_TAG, ATypeTag.SERIALIZED_YEAR_MONTH_DURATION_TYPE_TAG, ATypeTag.SERIALIZED_DAY_TIME_DURATION_TYPE_TAG);
                        }
                        if (resultType < currentType) {
                            resultType = currentType;
                        }
                    }
                    long lres;
                    double dres;
                    switch(resultType) {
                        case typeInt8:
                            serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT8);
                            lres = evaluateInteger(operandsInteger[0], operandsInteger[1]);
                            if (lres > Byte.MAX_VALUE) {
                                throw new OverflowException(getIdentifier());
                            }
                            if (lres < Byte.MIN_VALUE) {
                                throw new UnderflowException(getIdentifier());
                            }
                            aInt8.setValue((byte) lres);
                            serde.serialize(aInt8, out);
                            break;
                        case typeInt16:
                            serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT16);
                            lres = evaluateInteger(operandsInteger[0], operandsInteger[1]);
                            if (lres > Short.MAX_VALUE) {
                                throw new OverflowException(getIdentifier());
                            }
                            if (lres < Short.MIN_VALUE) {
                                throw new UnderflowException(getIdentifier());
                            }
                            aInt16.setValue((short) lres);
                            serde.serialize(aInt16, out);
                            break;
                        case typeInt32:
                            serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT32);
                            lres = evaluateInteger(operandsInteger[0], operandsInteger[1]);
                            if (lres > Integer.MAX_VALUE) {
                                throw new OverflowException(getIdentifier());
                            }
                            if (lres < Integer.MIN_VALUE) {
                                throw new UnderflowException(getIdentifier());
                            }
                            aInt32.setValue((int) lres);
                            serde.serialize(aInt32, out);
                            break;
                        case typeInt64:
                            serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AINT64);
                            lres = evaluateInteger(operandsInteger[0], operandsInteger[1]);
                            aInt64.setValue(lres);
                            serde.serialize(aInt64, out);
                            break;
                        case typeFloat:
                            serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.AFLOAT);
                            dres = evaluateDouble(operandsFloating[0], operandsFloating[1]);
                            if (dres > Float.MAX_VALUE) {
                                throw new OverflowException(getIdentifier());
                            }
                            if (dres < -Float.MAX_VALUE) {
                                throw new UnderflowException(getIdentifier());
                            }
                            aFloat.setValue((float) dres);
                            serde.serialize(aFloat, out);
                            break;
                        case typeDouble:
                            serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADOUBLE);
                            aDouble.setValue(evaluateDouble(operandsFloating[0], operandsFloating[1]));
                            serde.serialize(aDouble, out);
                            break;
                    }
                    result.set(resultStorage);
                }

                @SuppressWarnings("unchecked")
                private void evaluateTemporalArthmeticOperation(ATypeTag leftType) throws HyracksDataException {
                    byte[] bytes1 = argPtr1.getByteArray();
                    int offset1 = argPtr1.getStartOffset();
                    ATypeTag rightType = EnumDeserializer.ATYPETAGDESERIALIZER.deserialize(bytes1[offset1]);
                    byte[] bytes0 = argPtr0.getByteArray();
                    int offset0 = argPtr0.getStartOffset();
                    if (rightType == leftType) {
                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADURATION);
                        long leftChronon = 0, rightChronon = 0, dayTime = 0;
                        int yearMonth = 0;
                        switch(leftType) {
                            case DATE:
                                leftChronon = ADateSerializerDeserializer.getChronon(bytes0, offset0 + 1) * GregorianCalendarSystem.CHRONON_OF_DAY;
                                rightChronon = ADateSerializerDeserializer.getChronon(bytes1, offset1 + 1) * GregorianCalendarSystem.CHRONON_OF_DAY;
                                break;
                            case TIME:
                                leftChronon = ATimeSerializerDeserializer.getChronon(bytes0, offset0 + 1);
                                rightChronon = ATimeSerializerDeserializer.getChronon(bytes1, offset1 + 1);
                                break;
                            case DATETIME:
                                leftChronon = ADateTimeSerializerDeserializer.getChronon(bytes0, offset0 + 1);
                                rightChronon = ADateTimeSerializerDeserializer.getChronon(bytes1, offset1 + 1);
                                break;
                            case YEARMONTHDURATION:
                                yearMonth = (int) evaluateTimeInstanceArithmetic(AYearMonthDurationSerializerDeserializer.getYearMonth(bytes0, offset0 + 1), AYearMonthDurationSerializerDeserializer.getYearMonth(bytes1, offset1 + 1));
                                break;
                            case DAYTIMEDURATION:
                                leftChronon = ADayTimeDurationSerializerDeserializer.getDayTime(bytes0, offset0 + 1);
                                rightChronon = ADayTimeDurationSerializerDeserializer.getDayTime(bytes1, offset1 + 1);
                                break;
                            default:
                                throw new UnsupportedTypeException(getIdentifier(), bytes1[offset1]);
                        }
                        dayTime = evaluateTimeInstanceArithmetic(leftChronon, rightChronon);
                        aDuration.setValue(yearMonth, dayTime);
                        serde.serialize(aDuration, out);
                    } else {
                        long chronon = 0, dayTime = 0;
                        int yearMonth = 0;
                        ATypeTag resultType = null;
                        boolean isTimeOnly = false;
                        switch(leftType) {
                            case TIME:
                                serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ATIME);
                                chronon = ATimeSerializerDeserializer.getChronon(bytes0, offset0 + 1);
                                isTimeOnly = true;
                                resultType = ATypeTag.TIME;
                                switch(rightType) {
                                    case DAYTIMEDURATION:
                                        dayTime = ADayTimeDurationSerializerDeserializer.getDayTime(bytes1, offset1 + 1);
                                        break;
                                    case DURATION:
                                        dayTime = ADurationSerializerDeserializer.getDayTime(bytes1, offset1 + 1);
                                        yearMonth = ADurationSerializerDeserializer.getYearMonth(bytes1, offset1 + 1);
                                        break;
                                    default:
                                        throw new IncompatibleTypeException(getIdentifier(), bytes0[offset0], bytes1[offset1]);
                                }
                                break;
                            case DATE:
                                serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATE);
                                resultType = ATypeTag.DATE;
                                chronon = ADateSerializerDeserializer.getChronon(bytes0, offset0 + 1) * GregorianCalendarSystem.CHRONON_OF_DAY;
                            case DATETIME:
                                if (leftType == ATypeTag.DATETIME) {
                                    serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATETIME);
                                    resultType = ATypeTag.DATETIME;
                                    chronon = ADateTimeSerializerDeserializer.getChronon(bytes0, offset0 + 1);
                                }
                                switch(rightType) {
                                    case DURATION:
                                        yearMonth = ADurationSerializerDeserializer.getYearMonth(bytes1, offset1 + 1);
                                        dayTime = ADurationSerializerDeserializer.getDayTime(bytes1, offset1 + 1);
                                        break;
                                    case YEARMONTHDURATION:
                                        yearMonth = AYearMonthDurationSerializerDeserializer.getYearMonth(bytes1, offset1 + 1);
                                        break;
                                    case DAYTIMEDURATION:
                                        dayTime = ADayTimeDurationSerializerDeserializer.getDayTime(bytes1, offset1 + 1);
                                        break;
                                    default:
                                        throw new IncompatibleTypeException(getIdentifier(), bytes0[offset0], bytes1[offset1]);
                                }
                                break;
                            case YEARMONTHDURATION:
                                yearMonth = AYearMonthDurationSerializerDeserializer.getYearMonth(bytes0, offset0 + 1);
                                switch(rightType) {
                                    case DATETIME:
                                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATETIME);
                                        resultType = ATypeTag.DATETIME;
                                        chronon = ADateTimeSerializerDeserializer.getChronon(bytes1, offset1 + 1);
                                        break;
                                    case DATE:
                                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATE);
                                        resultType = ATypeTag.DATE;
                                        chronon = ADateSerializerDeserializer.getChronon(bytes1, offset1 + 1) * GregorianCalendarSystem.CHRONON_OF_DAY;
                                        break;
                                    default:
                                        throw new IncompatibleTypeException(getIdentifier(), bytes0[offset0], bytes1[offset1]);
                                }
                                break;
                            case DURATION:
                                yearMonth = ADurationSerializerDeserializer.getYearMonth(bytes0, offset0 + 1);
                                dayTime = ADurationSerializerDeserializer.getDayTime(bytes0, offset0 + 1);
                            case DAYTIMEDURATION:
                                if (leftType == ATypeTag.DAYTIMEDURATION) {
                                    dayTime = ADayTimeDurationSerializerDeserializer.getDayTime(bytes0, offset0 + 1);
                                }
                                switch(rightType) {
                                    case DATETIME:
                                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATETIME);
                                        resultType = ATypeTag.DATETIME;
                                        chronon = ADateTimeSerializerDeserializer.getChronon(bytes1, offset1 + 1);
                                        break;
                                    case DATE:
                                        serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATE);
                                        resultType = ATypeTag.DATE;
                                        chronon = ADateSerializerDeserializer.getChronon(bytes1, offset1 + 1) * GregorianCalendarSystem.CHRONON_OF_DAY;
                                        break;
                                    case TIME:
                                        if (yearMonth == 0) {
                                            serde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ATIME);
                                            resultType = ATypeTag.TIME;
                                            chronon = ATimeSerializerDeserializer.getChronon(bytes1, offset1 + 1);
                                            isTimeOnly = true;
                                            break;
                                        }
                                    default:
                                        throw new IncompatibleTypeException(getIdentifier(), bytes0[offset0], bytes1[offset1]);
                                }
                                break;
                            default:
                                throw new IncompatibleTypeException(getIdentifier(), bytes0[offset0], bytes1[offset1]);
                        }
                        chronon = evaluateTimeDurationArithmetic(chronon, yearMonth, dayTime, isTimeOnly);
                        switch(resultType) {
                            case DATE:
                                if (chronon < 0 && chronon % GregorianCalendarSystem.CHRONON_OF_DAY != 0) {
                                    chronon = chronon / GregorianCalendarSystem.CHRONON_OF_DAY - 1;
                                } else {
                                    chronon = chronon / GregorianCalendarSystem.CHRONON_OF_DAY;
                                }
                                aDate.setValue((int) chronon);
                                serde.serialize(aDate, out);
                                break;
                            case TIME:
                                aTime.setValue((int) chronon);
                                serde.serialize(aTime, out);
                                break;
                            case DATETIME:
                                aDatetime.setValue(chronon);
                                serde.serialize(aDatetime, out);
                                break;
                            default:
                                throw new IncompatibleTypeException(getIdentifier(), bytes0[offset0], bytes1[offset1]);
                        }
                    }
                }
            };
        }
    };
}

Example 10 with AMutableDate

use of org.apache.asterix.om.base.AMutableDate in project asterixdb by apache.

the class ADateConstructorDescriptor 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 inputArg = new VoidPointable();

                private IScalarEvaluator eval = args[0].createScalarEvaluator(ctx);

                private AMutableDate aDate = new AMutableDate(0);

                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<ADate> dateSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ADATE);

                private final UTF8StringPointable utf8Ptr = new UTF8StringPointable();

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    try {
                        resultStorage.reset();
                        eval.evaluate(tuple, inputArg);
                        byte[] serString = inputArg.getByteArray();
                        int offset = inputArg.getStartOffset();
                        int len = inputArg.getLength();
                        if (serString[offset] == ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                            utf8Ptr.set(serString, offset + 1, len - 1);
                            int stringLength = utf8Ptr.getUTF8Length();
                            // the string to be parsed should be at least 8 characters: YYYYMMDD
                            if (stringLength < 8) {
                                throw new InvalidDataFormatException(getIdentifier(), ATypeTag.SERIALIZED_DATE_TYPE_TAG);
                            }
                            int startOffset = utf8Ptr.getCharStartOffset();
                            while (serString[startOffset] == ' ') {
                                startOffset++;
                            }
                            int endOffset = startOffset + stringLength - 1;
                            while (serString[endOffset] == ' ') {
                                endOffset--;
                            }
                            long chrononTimeInMs = ADateParserFactory.parseDatePart(serString, startOffset, endOffset - startOffset + 1);
                            short temp = 0;
                            if (chrononTimeInMs < 0 && chrononTimeInMs % GregorianCalendarSystem.CHRONON_OF_DAY != 0) {
                                temp = 1;
                            }
                            aDate.setValue((int) (chrononTimeInMs / GregorianCalendarSystem.CHRONON_OF_DAY) - temp);
                            dateSerde.serialize(aDate, out);
                        } else {
                            throw new TypeMismatchException(getIdentifier(), 0, serString[offset], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        }
                        result.set(resultStorage);
                    } catch (IOException e) {
                        throw new InvalidDataFormatException(getIdentifier(), e, ATypeTag.SERIALIZED_DATE_TYPE_TAG);
                    }
                }
            };
        }
    };
}