Package edu.uci.ics.hyracks.data.std.util

Examples of edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage

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        super(args);
    }

    @Override
    protected IAggregateEvaluator createEvaluator(IScalarEvaluator[] args) throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final DataOutput dOut = abvs.getDataOutput();
        return new AbstractTaggedValueArgumentAggregateEvaluator(args) {
            long count;

            @Override
            public void init() throws AlgebricksException {
                count = 0;
            }

            @Override
            public void finish(IPointable result) throws AlgebricksException {
                try {
                    abvs.reset();
                    dOut.write(ValueTag.XS_INTEGER_TAG);
                    dOut.writeLong(count);
                    result.set(abvs);
                } catch (Exception e) {
                    throw new AlgebricksException(e);
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    protected IAggregateEvaluator createEvaluator(IScalarEvaluator[] args) throws AlgebricksException {
        final AbstractValueComparisonOperation aOp = createValueComparisonOperation();
        final TaggedValuePointable tvp2 = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();

        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final DataOutput dOut = abvs.getDataOutput();

        return new AbstractTaggedValueArgumentAggregateEvaluator(args) {
            long count;

            @Override
            public void init() throws AlgebricksException {
                count = 0;
            }

            @Override
            public void finish(IPointable result) throws AlgebricksException {
                if (count == 0) {
                    XDMConstants.setEmptySequence(result);
                } else {
                    result.set(abvs);
                }
            }

            @Override
            protected void step(TaggedValuePointable[] args) throws SystemException {
                TaggedValuePointable tvp1 = args[0];
                if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                    // The local aggregate did not find a value so the global aggregate is receiving a empty sequence.
                    tvp1.getValue(seqp);
                    int seqLen = seqp.getEntryCount();
                    if (seqLen != 0) {
                        throw new SystemException(ErrorCode.FORG0006);
                    }
                } else {
                    if (count != 0) {
                        tvp2.set(abvs.getByteArray(), abvs.getStartOffset(), abvs.getLength());
                    }
                    if (count == 0 || FunctionHelper.transformThenCompareMinMaxTaggedValues(aOp, tvp1, tvp2, dCtx)) {
                        try {
                            abvs.reset();
                            dOut.write(tvp1.getByteArray(), tvp1.getStartOffset(), tvp1.getLength());
                        } catch (IOException e) {
                            throw new SystemException(ErrorCode.SYSE0001, e);
                        }
                    }
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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final DataOutput dOut = abvs.getDataOutput();
        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp = args[0];
                long count = 0;
                if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp.getValue(seqp);
                    count = seqp.getEntryCount();
                } else {
                    count = 1;
                }

                try {
                    abvs.reset();
                    dOut.write(ValueTag.XS_INTEGER_TAG);
                    dOut.writeLong(count);
                    result.set(abvs);
                } catch (Exception e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
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    }

    @Override
    protected IAggregateEvaluator createEvaluator(IScalarEvaluator[] args) throws AlgebricksException {
        final TaggedValuePointable tvpCount = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        final ArrayBackedValueStorage abvsCount = new ArrayBackedValueStorage();
        final DataOutput dOutCount = abvsCount.getDataOutput();
        final ArrayBackedValueStorage abvsSum = new ArrayBackedValueStorage();
        final DataOutput dOutSum = abvsSum.getDataOutput();
        final ArrayBackedValueStorage abvsSeq = new ArrayBackedValueStorage();
        final SequenceBuilder sb = new SequenceBuilder();
        final AddOperation aOp = new AddOperation();

        return new AbstractTaggedValueArgumentAggregateEvaluator(args) {
            long count;
            TaggedValuePointable tvpSum = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();

            @Override
            public void init() throws AlgebricksException {
                count = 0;
                try {
                    abvsSum.reset();
                    dOutSum.write(ValueTag.XS_INTEGER_TAG);
                    dOutSum.writeLong(0);
                    tvpSum.set(abvsSum);
                } catch (Exception e) {
                    throw new AlgebricksException(e);
                }
            }

            @Override
            public void finish(IPointable result) throws AlgebricksException {
                if (count == 0) {
                    XDMConstants.setEmptySequence(result);
                } else {
                    // Set count as a TaggedValuePointable.
                    try {
                        abvsCount.reset();
                        dOutCount.write(ValueTag.XS_INTEGER_TAG);
                        dOutCount.writeLong(count);
                        tvpCount.set(abvsCount);

                        // Save intermediate result.
                        abvsSeq.reset();
                        sb.reset(abvsSeq);
                        sb.addItem(tvpCount);
                        sb.addItem(tvpSum);
                        sb.finish();
                        result.set(abvsSeq);
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    }

    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
        final DataOutput dOutInner = abvsInner.getDataOutput();
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp1 = args[0];
                if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp1.getValue(seqp);
                    if (seqp.getEntryCount() == 0) {
                        XDMConstants.setEmptySequence(result);
                        return;
                    }
                }
                if (tvp1.getTag() != getInputTag()) {
                    throw new SystemException(ErrorCode.FORG0006);
                }

                try {
                    abvsInner.reset();
                    switch (getReturnTag()) {
                        case ValueTag.XS_INTEGER_TAG:
                            dOutInner.write(ValueTag.XS_INTEGER_TAG);
                            dOutInner.writeLong(getValueAsInteger(tvp1));
                            break;
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    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final TaggedValuePointable tvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        final LongPointable longp = (LongPointable) LongPointable.FACTORY.createPointable();
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp1 = args[0];
                try {
                    // Byte Format: Type (1 byte) + String Length (2 bytes) + String.
                    DataOutput out = abvs.getDataOutput();
                    out.write(ValueTag.XS_STRING_TAG);

                    // Default values for the length and update later
                    out.write(0);
                    out.write(0);

                    // Only accept sequences of integers or an integer as input.
                    if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                        tvp1.getValue(seqp);
                        for (int j = 0; j < seqp.getEntryCount(); ++j) {
                            seqp.getEntry(j, p);
                            tvp.set(p.getByteArray(), p.getStartOffset(), p.getLength());
                            tvp.getValue(longp);
                            if (!Character.isDefined(longp.intValue())) {
                                throw new SystemException(ErrorCode.FOCH0001);
                            }
                            FunctionHelper.writeChar((char) longp.intValue(), out);
                        }
                    } else if (tvp1.getTag() == ValueTag.XS_INTEGER_TAG) {
                        tvp1.getValue(longp);
                        if (!Character.isDefined(longp.intValue())) {
                            throw new SystemException(ErrorCode.FOCH0001);
                        }
                        FunctionHelper.writeChar((char) longp.intValue(), out);
                    } else {
                        throw new SystemException(ErrorCode.FORG0006);
                    }

                    // Update the full length string in the byte array.
                    abvs.getByteArray()[1] = (byte) (((abvs.getLength() - 3) >>> 8) & 0xFF);
                    abvs.getByteArray()[2] = (byte) (((abvs.getLength() - 3) >>> 0) & 0xFF);

                    result.set(abvs.getByteArray(), abvs.getStartOffset(), abvs.getLength());
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }
        };
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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final UTF8StringPointable stringp = (UTF8StringPointable) UTF8StringPointable.FACTORY.createPointable();
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final DataOutput dOut = abvs.getDataOutput();
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final TaggedValuePointable tvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp1 = args[0];

                // Only accept strings as input.
                if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp1.getValue(seqp);
                    if (seqp.getEntryCount() == 0) {
                        XDMConstants.setEmptyString(tvp);
                        tvp.getValue(stringp);
                    } else {
                        throw new SystemException(ErrorCode.FORG0006);
                    }
                } else {
                    if (!FunctionHelper.isDerivedFromString(tvp1.getTag())) {
                        throw new SystemException(ErrorCode.FORG0006);
                    }
                    tvp1.getValue(stringp);
                }

                // Return the string length of the UTF8 String.
                try {
                    abvs.reset();
                    dOut.write(ValueTag.XS_INTEGER_TAG);
                    dOut.writeLong(stringp.getStringLength());
                    result.set(abvs);
                } catch (Exception e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
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    }

    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final SequenceBuilder sb = new SequenceBuilder();
        final SequencePointable seq = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        final DoublePointable doublep = (DoublePointable) DoublePointable.FACTORY.createPointable();
        final LongPointable longp = (LongPointable) LongPointable.FACTORY.createPointable();
        final XSDecimalPointable decp = (XSDecimalPointable) XSDecimalPointable.FACTORY.createPointable();
        final ArrayBackedValueStorage abvsRound = new ArrayBackedValueStorage();
        final FnRoundOperation round = new FnRoundOperation();
        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                try {
                    long startingLoc;
                    TaggedValuePointable tvp2 = args[1];
                    startingLoc = getLongFromArgument(tvp2);
                    if (startingLoc < 1) {
                        startingLoc = 1;
                    }

                    // Get length.
                    long endingLoc = Long.MAX_VALUE;
                    if (args.length > 2) {
                        TaggedValuePointable tvp3 = args[2];
                        endingLoc = getLongFromArgument(tvp3) + startingLoc;
                    }

                    abvs.reset();
                    sb.reset(abvs);
                    TaggedValuePointable tvp1 = args[0];
                    if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                        tvp1.getValue(seq);
                        int seqLen = seq.getEntryCount();
                        if (endingLoc < startingLoc) {
                            // Empty sequence.
                        } else if (startingLoc == 1 && endingLoc > seqLen) {
                            // Includes whole sequence.
                            result.set(tvp1);
                            return;
                        } else {
                            for (int j = 0; j < seqLen; ++j) {
                                if (startingLoc <= j + 1 && j + 1 < endingLoc) {
                                    seq.getEntry(j, p);
                                    sb.addItem(p);
                                }
                            }
                        }
                    } else if (startingLoc == 1 && endingLoc > 1) {
                        // Includes item.
                        result.set(tvp1);
                        return;
                    }
                    sb.finish();
                    result.set(abvs);
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001);
                }
            }

            /**
             * XQuery Specification calls for double value. Integer and Decimal are allowed to cut down on casting.
             *
             * @param tvp
             * @return
             * @throws SystemException
             * @throws IOException
             */
            public long getLongFromArgument(TaggedValuePointable tvp) throws SystemException, IOException {
                if (tvp.getTag() == ValueTag.XS_DOUBLE_TAG) {
                    tvp.getValue(doublep);
                    abvsRound.reset();
                    round.operateDouble(doublep, abvsRound.getDataOutput());
                    doublep.set(abvsRound.getByteArray(), abvsRound.getStartOffset() + 1,
                            DoublePointable.TYPE_TRAITS.getFixedLength());
                    return doublep.longValue();
                } else if (tvp.getTag() == ValueTag.XS_INTEGER_TAG) {
                    tvp.getValue(longp);
                    return longp.longValue();
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    @Override
    protected AbstractTaggedValueArgumentScalarEvaluator createEvaluator(IHyracksTaskContext ctx,
            IScalarEvaluator[] args) throws AlgebricksException {
        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
            final DataOutput dOut = abvs.getDataOutput();
            final ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
            final DataOutput dOutInner = abvsInner.getDataOutput();
            final FunctionHelper.TypedPointables tp = new FunctionHelper.TypedPointables();
            final LongPointable longp = (LongPointable) LongPointable.FACTORY.createPointable();
            final CastToDecimalOperation castToDecimal = new CastToDecimalOperation();

            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp1 = args[0];
                int tid = getBaseTypeForArithmetics(tvp1.getTag());

                long precision = 0;
                if (args.length > 1) {
                    TaggedValuePointable tvp2 = args[1];
                    if (tvp2.getTag() != ValueTag.XS_INTEGER_TAG) {
                        throw new SystemException(ErrorCode.FORG0006);
                    }
                    tvp2.getValue(longp);
                    precision = longp.getLong();
                }

                // Check special cases.
                try {
                    switch (tid) {
                        case ValueTag.XS_FLOAT_TAG:
                            tvp1.getValue(tp.floatp);
                            if (tp.floatp.getFloat() == 0 || Float.isNaN(tp.floatp.getFloat())
                                    || Float.isInfinite(tp.floatp.getFloat())) {
                                result.set(tvp1.getByteArray(), tvp1.getStartOffset(),
                                        FloatPointable.TYPE_TRAITS.getFixedLength() + 1);
                                return;
                            }
                            break;

                        case ValueTag.XS_DOUBLE_TAG:
                            tvp1.getValue(tp.doublep);
                            if (tp.doublep.getDouble() == 0 || Double.isNaN(tp.doublep.getDouble())
                                    || Double.isInfinite(tp.doublep.getDouble())) {
                                result.set(tvp1.getByteArray(), tvp1.getStartOffset(),
                                        DoublePointable.TYPE_TRAITS.getFixedLength() + 1);
                                return;
                            }
                            break;

                    }
                } catch (Exception e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }

                // Prepare input.
                try {
                    getDecimalPointable(tp, tvp1);
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }

                // Perform rounding on decimal value.
                // TODO round half to the nearest even number.
                long decimalPlace = tp.decp.getDecimalPlace();
                if ((precision - decimalPlace) < 0) {
                    long decimalValue = tp.decp.getDecimalValue();
                    decimalValue = (long) (decimalValue / Math.pow(10, -(precision - decimalPlace)));
                    tp.decp.setDecimal(decimalValue, (byte) precision);
                }

                // Return result.
                try {
                    switch (tvp1.getTag()) {
                        case ValueTag.XS_DECIMAL_TAG:
                            dOut.write(ValueTag.XS_DECIMAL_TAG);
                            dOut.write(tp.decp.getByteArray(), tp.decp.getStartOffset(),
                                    XSDecimalPointable.TYPE_TRAITS.getFixedLength());
                            result.set(abvs.getByteArray(), abvs.getStartOffset(),
                                    XSDecimalPointable.TYPE_TRAITS.getFixedLength() + 1);
                            return;

                        case ValueTag.XS_INTEGER_TAG:
                        case ValueTag.XS_LONG_TAG:
                        case ValueTag.XS_NEGATIVE_INTEGER_TAG:
                        case ValueTag.XS_NON_POSITIVE_INTEGER_TAG:
                        case ValueTag.XS_NON_NEGATIVE_INTEGER_TAG:
                        case ValueTag.XS_POSITIVE_INTEGER_TAG:
                        case ValueTag.XS_UNSIGNED_INT_TAG:
                        case ValueTag.XS_UNSIGNED_LONG_TAG:
                            dOut.write(tvp1.getTag());
                            dOut.writeLong(tp.decp.longValue());
                            result.set(abvs.getByteArray(), abvs.getStartOffset(),
                                    LongPointable.TYPE_TRAITS.getFixedLength() + 1);
                            return;

                        case ValueTag.XS_INT_TAG:
                        case ValueTag.XS_UNSIGNED_SHORT_TAG:
                            dOut.write(tvp1.getTag());
                            dOut.writeInt(tp.decp.intValue());
                            result.set(abvs.getByteArray(), abvs.getStartOffset(),
                                    IntegerPointable.TYPE_TRAITS.getFixedLength() + 1);
                            return;

                        case ValueTag.XS_SHORT_TAG:
                        case ValueTag.XS_UNSIGNED_BYTE_TAG:
                            dOut.write(tvp1.getTag());
                            dOut.writeShort(tp.decp.shortValue());
                            result.set(abvs.getByteArray(), abvs.getStartOffset(),
                                    ShortPointable.TYPE_TRAITS.getFixedLength() + 1);
                            return;

                        case ValueTag.XS_BYTE_TAG:
                            dOut.write(tvp1.getTag());
                            dOut.writeByte(tp.decp.byteValue());
                            result.set(abvs.getByteArray(), abvs.getStartOffset(),
                                    BytePointable.TYPE_TRAITS.getFixedLength() + 1);
                            return;

                        case ValueTag.XS_FLOAT_TAG:
                            dOut.write(ValueTag.XS_FLOAT_TAG);
                            dOut.writeFloat(tp.decp.floatValue());
                            result.set(abvs.getByteArray(), abvs.getStartOffset(),
                                    FloatPointable.TYPE_TRAITS.getFixedLength() + 1);
                            return;

                        case ValueTag.XS_DOUBLE_TAG:
                            dOut.write(ValueTag.XS_DOUBLE_TAG);
                            dOut.writeDouble(tp.decp.doubleValue());
                            result.set(abvs.getByteArray(), abvs.getStartOffset(),
                                    DoublePointable.TYPE_TRAITS.getFixedLength() + 1);
                            return;
                    }
                } catch (Exception e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }

            private void getDecimalPointable(TypedPointables tp, TaggedValuePointable tvp) throws SystemException,
                    IOException {
                abvsInner.reset();
                long value;
                switch (tvp.getTag()) {
                    case ValueTag.XS_DECIMAL_TAG:
                        tvp.getValue(tp.decp);
                        return;

                    case ValueTag.XS_FLOAT_TAG:
                        tvp.getValue(tp.floatp);
                        castToDecimal.convertFloat(tp.floatp, dOutInner);
                        tp.decp.set(abvsInner.getByteArray(), abvsInner.getStartOffset() + 1,
                                XSDecimalPointable.TYPE_TRAITS.getFixedLength());
                        return;

                    case ValueTag.XS_DOUBLE_TAG:
                        tvp.getValue(tp.doublep);
                        castToDecimal.convertDouble(tp.doublep, dOutInner);
                        tp.decp.set(abvsInner.getByteArray(), abvsInner.getStartOffset() + 1,
                                XSDecimalPointable.TYPE_TRAITS.getFixedLength());
                        return;

                    case ValueTag.XS_INTEGER_TAG:
                    case ValueTag.XS_LONG_TAG:
                    case ValueTag.XS_NEGATIVE_INTEGER_TAG:
                    case ValueTag.XS_NON_POSITIVE_INTEGER_TAG:
                    case ValueTag.XS_NON_NEGATIVE_INTEGER_TAG:
                    case ValueTag.XS_POSITIVE_INTEGER_TAG:
                    case ValueTag.XS_UNSIGNED_INT_TAG:
                    case ValueTag.XS_UNSIGNED_LONG_TAG:
                        tvp.getValue(tp.longp);
                        value = tp.longp.longValue();
                        break;

                    case ValueTag.XS_INT_TAG:
                    case ValueTag.XS_UNSIGNED_SHORT_TAG:
                        tvp.getValue(tp.intp);
                        value = tp.intp.longValue();
                        break;

                    case ValueTag.XS_SHORT_TAG:
                    case ValueTag.XS_UNSIGNED_BYTE_TAG:
                        tvp.getValue(tp.shortp);
                        value = tp.shortp.longValue();
                        break;

                    case ValueTag.XS_BYTE_TAG:
                        tvp.getValue(tp.bytep);
                        value = tp.bytep.longValue();
                        break;

                    default:
                        throw new SystemException(ErrorCode.XPTY0004);
                }
                dOutInner.write(ValueTag.XS_DECIMAL_TAG);
                tp.decp.set(abvsInner.getByteArray(), abvsInner.getStartOffset() + 1,
                        XSDecimalPointable.TYPE_TRAITS.getFixedLength());
                tp.decp.setDecimal(value, (byte) 0);
            }

            private int getBaseTypeForArithmetics(int tid) throws SystemException {
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            throws AlgebricksException {
        final DynamicContext dCtx = (DynamicContext) ctx.getJobletContext().getGlobalJobData();
        final XSDatePointable datep = (XSDatePointable) XSDatePointable.FACTORY.createPointable();
        final XSDateTimePointable ctxDatetimep = (XSDateTimePointable) XSDateTimePointable.FACTORY.createPointable();
        final LongPointable longp = (LongPointable) LongPointable.FACTORY.createPointable();
        final ArrayBackedValueStorage abvsInner = new ArrayBackedValueStorage();
        final DataOutput dOutInner = abvsInner.getDataOutput();
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final DataOutput dOut = abvs.getDataOutput();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                dCtx.getCurrentDateTime(ctxDatetimep);
                TaggedValuePointable tvp1 = args[0];
                if (tvp1.getTag() != ValueTag.XS_DATE_TAG) {
                    throw new SystemException(ErrorCode.FORG0006);
                }
                tvp1.getValue(datep);

                // Second argument is optional and will used the dynamic context if not supplied.
                long tz;
                if (args.length == 2) {
                    TaggedValuePointable tvp2 = args[1];
                    if (tvp2.getTag() == ValueTag.XS_DAY_TIME_DURATION_TAG) {
                        tvp2.getValue(longp);
                        if (Math.abs(longp.getLong()) > DateTime.CHRONON_OF_HOUR * 14) {
                            throw new SystemException(ErrorCode.FODT0003);
                        }
                        tz = longp.getLong() / DateTime.CHRONON_OF_MINUTE;
                    } else {
                        throw new SystemException(ErrorCode.FORG0006);
                    }
                } else {
                    tz = ctxDatetimep.getTimezoneHour() * 60 + ctxDatetimep.getTimezoneMinute();
                }

                try {
                    abvs.reset();
                    abvsInner.reset();
                    DateTime.adjustDateTimeToTimezone(datep, tz, dOutInner);

                    byte[] bytes = abvsInner.getByteArray();
                    int startOffset = abvsInner.getStartOffset() + 1;
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