Examples with IScalarEvaluator org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator used on opensource projects

Example 96 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator in project asterixdb by apache.

the class PrintDateDescriptor 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 argPtr0 = new VoidPointable();

                private IPointable argPtr1 = new VoidPointable();

                private IScalarEvaluator eval0 = args[0].createScalarEvaluator(ctx);

                private IScalarEvaluator eval1 = args[1].createScalarEvaluator(ctx);

                private StringBuilder sbder = new StringBuilder();

                private final UTF8StringWriter utf8Writer = new UTF8StringWriter();

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval0.evaluate(tuple, argPtr0);
                    eval1.evaluate(tuple, argPtr1);
                    byte[] bytes0 = argPtr0.getByteArray();
                    int offset0 = argPtr0.getStartOffset();
                    byte[] bytes1 = argPtr1.getByteArray();
                    int offset1 = argPtr1.getStartOffset();
                    try {
                        if (bytes0[offset0] != ATypeTag.SERIALIZED_DATE_TYPE_TAG) {
                            throw new TypeMismatchException(getIdentifier(), 0, bytes0[offset0], ATypeTag.SERIALIZED_DATE_TYPE_TAG);
                        }
                        if (bytes1[offset1] != ATypeTag.SERIALIZED_STRING_TYPE_TAG) {
                            throw new TypeMismatchException(getIdentifier(), 1, bytes1[offset1], ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        }
                        long chronon = ADateSerializerDeserializer.getChronon(bytes0, offset0 + 1) * GregorianCalendarSystem.CHRONON_OF_DAY;
                        int formatLength = UTF8StringUtil.getUTFLength(bytes1, offset1 + 1);
                        int offset = UTF8StringUtil.getNumBytesToStoreLength(formatLength);
                        sbder.delete(0, sbder.length());
                        DT_UTILS.printDateTime(chronon, 0, bytes1, offset1 + 1 + offset, formatLength, sbder, DateTimeParseMode.DATE_ONLY);
                        out.writeByte(ATypeTag.SERIALIZED_STRING_TYPE_TAG);
                        utf8Writer.writeUTF8(sbder.toString(), out);
                    } catch (IOException ex) {
                        throw new HyracksDataException(ex);
                    }
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 97 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator in project asterixdb by apache.

the class TimeFromUnixTimeInMsDescriptor method createEvaluatorFactory.

/* (non-Javadoc)
     * @see org.apache.asterix.runtime.base.IScalarFunctionDynamicDescriptor#createEvaluatorFactory(org.apache.hyracks.algebricks.runtime.base.ICopyEvaluatorFactory[])
     */
@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 output types
                @SuppressWarnings("unchecked")
                private ISerializerDeserializer<ATime> timeSerde = SerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ATIME);

                private AMutableTime aTime = new AMutableTime(0);

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    eval.evaluate(tuple, argPtr);
                    aTime.setValue(ATypeHierarchy.getIntegerValue(getIdentifier().getName(), 0, argPtr.getByteArray(), argPtr.getStartOffset()));
                    timeSerde.serialize(aTime, out);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 98 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator in project asterixdb by apache.

the class StreamSelectRuntimeFactory method createOneOutputPushRuntime.

@Override
public AbstractOneInputOneOutputOneFramePushRuntime createOneOutputPushRuntime(final IHyracksTaskContext ctx) {
    final IBinaryBooleanInspector bbi = binaryBooleanInspectorFactory.createBinaryBooleanInspector(ctx);
    return new AbstractOneInputOneOutputOneFieldFramePushRuntime() {

        private IPointable p = VoidPointable.FACTORY.createPointable();

        private IScalarEvaluator eval;

        private IMissingWriter missingWriter = null;

        private ArrayTupleBuilder missingTupleBuilder = null;

        private boolean isOpen = false;

        @Override
        public void open() throws HyracksDataException {
            if (eval == null) {
                initAccessAppendFieldRef(ctx);
                eval = cond.createScalarEvaluator(ctx);
            }
            isOpen = true;
            writer.open();
            //prepare nullTupleBuilder
            if (retainMissing && missingWriter == null) {
                missingWriter = missingWriterFactory.createMissingWriter();
                missingTupleBuilder = new ArrayTupleBuilder(1);
                DataOutput out = missingTupleBuilder.getDataOutput();
                missingWriter.writeMissing(out);
                missingTupleBuilder.addFieldEndOffset();
            }
        }

        @Override
        public void fail() throws HyracksDataException {
            if (isOpen) {
                super.fail();
            }
        }

        @Override
        public void close() throws HyracksDataException {
            if (isOpen) {
                try {
                    flushIfNotFailed();
                } finally {
                    writer.close();
                }
            }
        }

        @Override
        public void nextFrame(ByteBuffer buffer) throws HyracksDataException {
            tAccess.reset(buffer);
            int nTuple = tAccess.getTupleCount();
            for (int t = 0; t < nTuple; t++) {
                tRef.reset(tAccess, t);
                eval.evaluate(tRef, p);
                if (bbi.getBooleanValue(p.getByteArray(), p.getStartOffset(), p.getLength())) {
                    if (projectionList != null) {
                        appendProjectionToFrame(t, projectionList);
                    } else {
                        appendTupleToFrame(t);
                    }
                } else {
                    if (retainMissing) {
                        for (int i = 0; i < tRef.getFieldCount(); i++) {
                            if (i == missingPlaceholderVariableIndex) {
                                appendField(missingTupleBuilder.getByteArray(), 0, missingTupleBuilder.getSize());
                            } else {
                                appendField(tAccess, t, i);
                            }
                        }
                    }
                }
            }
        }

        @Override
        public void flush() throws HyracksDataException {
            appender.flush(writer);
        }
    };
}

Example 99 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator in project asterixdb by apache.

the class OpenRecordConstructorDescriptor 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 {
            int n = args.length / 2;
            final IScalarEvaluator[] evalNames = new IScalarEvaluator[n];
            final IScalarEvaluator[] evalFields = new IScalarEvaluator[n];
            final IPointable fieldNamePointable = new VoidPointable();
            final IPointable fieldValuePointable = new VoidPointable();
            for (int i = 0; i < n; i++) {
                evalNames[i] = args[2 * i].createScalarEvaluator(ctx);
                evalFields[i] = args[2 * i + 1].createScalarEvaluator(ctx);
            }
            final ArrayBackedValueStorage resultStorage = new ArrayBackedValueStorage();
            final DataOutput out = resultStorage.getDataOutput();
            return new IScalarEvaluator() {

                private RecordBuilder recBuilder = new RecordBuilder();

                private int closedFieldId;

                private boolean first = true;

                @Override
                public void evaluate(IFrameTupleReference tuple, IPointable result) throws HyracksDataException {
                    resultStorage.reset();
                    closedFieldId = 0;
                    if (first) {
                        first = false;
                        recBuilder.reset(recType);
                    }
                    recBuilder.init();
                    for (int i = 0; i < evalFields.length; i++) {
                        evalFields[i].evaluate(tuple, fieldValuePointable);
                        boolean openField = openFields[i];
                        if (openField) {
                            evalNames[i].evaluate(tuple, fieldNamePointable);
                            recBuilder.addField(fieldNamePointable, fieldValuePointable);
                        } else {
                            recBuilder.addField(closedFieldId, fieldValuePointable);
                            closedFieldId++;
                        }
                    }
                    recBuilder.write(out, true);
                    result.set(resultStorage);
                }
            };
        }
    };
}

Example 100 with IScalarEvaluator

use of org.apache.hyracks.algebricks.runtime.base.IScalarEvaluator 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]);
                        }
                    }
                }
            };
        }
    };
}