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

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

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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final DynamicContext dCtx = (DynamicContext) ctx.getJobletContext().getGlobalJobData();
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final DataOutput dOut = abvs.getDataOutput();
        final TaggedValuePointable tvpNext = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        final TaggedValuePointable tvpSum = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        final AddOperation aOp = new AddOperation();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp = args[0];
                if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp.getValue(seqp);
                    int seqLen = seqp.getEntryCount();
                    if (seqLen == 0) {
                        // Default zero value as second argument.
                        if (args.length == 2) {
                            TaggedValuePointable tvp2 = args[1];
                            result.set(tvp2);
                        } else {
                            // No argument return an integer.
                            try {
                                abvs.reset();
                                dOut.write(ValueTag.XS_INTEGER_TAG);
                                dOut.writeLong(0);
                                result.set(abvs);
                            } catch (Exception e) {
                                throw new SystemException(ErrorCode.SYSE0001, e);
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        super(args);
    }

    @Override
    protected IAggregateEvaluator createEvaluator(IScalarEvaluator[] args) throws AlgebricksException {
        final ArrayBackedValueStorage abvsCount = new ArrayBackedValueStorage();
        final DataOutput dOutCount = abvsCount.getDataOutput();
        final ArrayBackedValueStorage abvsSum = new ArrayBackedValueStorage();
        final DataOutput dOutSum = abvsSum.getDataOutput();
        final AddOperation aOp = new AddOperation();
        final DivideOperation aOpDivide = new DivideOperation();
        final LongPointable longp = (LongPointable) LongPointable.FACTORY.createPointable();
        final SequencePointable seq = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final TaggedValuePointable tvpArg = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();

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

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

    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final InputSource in = new InputSource();
        final UTF8StringPointable stringp = (UTF8StringPointable) UTF8StringPointable.FACTORY.createPointable();
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final ByteBufferInputStream bbis = new ByteBufferInputStream();
        final DataInputStream di = new DataInputStream(bbis);
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    private final ArrayBackedValueStorage seqAbvs;

    public DescendantPathStepScalarEvaluator(IScalarEvaluator[] args, IHyracksTaskContext ctx) {
        super(args, ctx);
        rootTVP = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        seqAbvs = new ArrayBackedValueStorage();
    }
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    private final ArrayBackedValueStorage seqAbvs;

    public SelfPathStepScalarEvaluator(IScalarEvaluator[] args, IHyracksTaskContext ctx) {
        super(args, ctx);
        rootTVP = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        seqAbvs = new ArrayBackedValueStorage();
    }
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    }

    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final DataOutput dOut = abvs.getDataOutput();
        final CastToDoubleOperation castToDouble = new CastToDoubleOperation();
        final FunctionHelper.TypedPointables tp = new FunctionHelper.TypedPointables();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp1 = args[0];
                try {
                    abvs.reset();
                    switch (tvp1.getTag()) {
                        case ValueTag.XS_STRING_TAG:
                            tvp1.getValue(tp.utf8sp);
                            castToDouble.convertString(tp.utf8sp, dOut);
                            break;
                        case ValueTag.XS_UNTYPED_ATOMIC_TAG:
                            tvp1.getValue(tp.utf8sp);
                            castToDouble.convertUntypedAtomic(tp.utf8sp, dOut);
                            break;
                        case ValueTag.XS_BOOLEAN_TAG:
                            tvp1.getValue(tp.boolp);
                            castToDouble.convertBoolean(tp.boolp, dOut);
                            break;
                        //                        case ValueTag.XS_YEAR_MONTH_DURATION_TAG:
                        case ValueTag.XS_INTEGER_TAG:
                        case ValueTag.XS_NON_POSITIVE_INTEGER_TAG:
                        case ValueTag.XS_NEGATIVE_INTEGER_TAG:
                        case ValueTag.XS_LONG_TAG:
                        case ValueTag.XS_NON_NEGATIVE_INTEGER_TAG:
                        case ValueTag.XS_UNSIGNED_LONG_TAG:
                        case ValueTag.XS_POSITIVE_INTEGER_TAG:
                        case ValueTag.XS_UNSIGNED_INT_TAG:
                            tvp1.getValue(tp.longp);
                            castToDouble.convertInteger(tp.longp, dOut);
                            break;
                        //                        case ValueTag.XS_DAY_TIME_DURATION_TAG:
                        case ValueTag.XS_INT_TAG:
                        case ValueTag.XS_UNSIGNED_SHORT_TAG:
                            tvp1.getValue(tp.intp);
                            castToDouble.convertInt(tp.intp, dOut);
                            break;
                        case ValueTag.XS_DECIMAL_TAG:
                            tvp1.getValue(tp.decp);
                            castToDouble.convertDecimal(tp.decp, dOut);
                            break;
                        case ValueTag.XS_DOUBLE_TAG:
                            tvp1.getValue(tp.doublep);
                            castToDouble.convertDouble(tp.doublep, dOut);
                            break;
                        case ValueTag.XS_FLOAT_TAG:
                            tvp1.getValue(tp.floatp);
                            castToDouble.convertFloat(tp.floatp, dOut);
                            break;
                        case ValueTag.XS_SHORT_TAG:
                        case ValueTag.XS_UNSIGNED_BYTE_TAG:
                            tvp1.getValue(tp.shortp);
                            castToDouble.convertShort(tp.shortp, dOut);
                            break;
                        case ValueTag.XS_BYTE_TAG:
                            tvp1.getValue(tp.bytep);
                            castToDouble.convertByte(tp.bytep, dOut);
                            break;
                        default:
                            dOut.write(ValueTag.XS_DOUBLE_TAG);
                            dOut.writeDouble(Double.NaN);
                    }

                    result.set(abvs);
                } catch (SystemException e) {
                    try {
                        abvs.reset();
                        dOut.write(ValueTag.XS_DOUBLE_TAG);
                        dOut.writeDouble(Double.NaN);
                        result.set(abvs);
                    } catch (IOException e1) {
                        throw new SystemException(ErrorCode.SYSE0001, e);
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        super(args);
    }

    @Override
    protected IAggregateEvaluator createEvaluator(IScalarEvaluator[] args) throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final GrowableIntArray slots = new GrowableIntArray();
        final ArrayBackedValueStorage dataArea = new ArrayBackedValueStorage();
        final SequencePointable seq = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        return new AbstractTaggedValueArgumentAggregateEvaluator(args) {
            @Override
            public void init() throws AlgebricksException {
                abvs.reset();
                slots.clear();
                dataArea.reset();
            }

            @Override
            public void finish(IPointable result) throws AlgebricksException {
                if (slots.getSize() != 1) {
                    try {
                        assembleResult(abvs, slots, dataArea);
                    } catch (SystemException e) {
                        throw new AlgebricksException(e);
                    }
                    result.set(abvs);
                } else {
                    result.set(dataArea);
                }
           }

            @Override
            protected void step(TaggedValuePointable[] args) throws SystemException {
                TaggedValuePointable tvp = args[0];
                if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp.getValue(seq);
                    int seqLen = seq.getEntryCount();
                    for (int j = 0; j < seqLen; ++j) {
                        seq.getEntry(j, p);
                        addItem(p);
                    }
                } else {
                    addItem(tvp);
                }
            }

            private void assembleResult(ArrayBackedValueStorage abvs, GrowableIntArray slots,
                    ArrayBackedValueStorage dataArea) throws SystemException {
                try {
                    DataOutput out = abvs.getDataOutput();
                    out.write(ValueTag.SEQUENCE_TAG);
                    int size = slots.getSize();
                    out.writeInt(size);
                    if (size > 0) {
                        int[] slotArray = slots.getArray();
                        for (int i = 0; i < size; ++i) {
                            out.writeInt(slotArray[i]);
                        }
                        out.write(dataArea.getByteArray(), dataArea.getStartOffset(), dataArea.getLength());
                    }
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }

            private void addItem(final IPointable p) throws SystemException {
                try {
                    dataArea.getDataOutput().write(p.getByteArray(), p.getStartOffset(), p.getLength());
                    slots.append(dataArea.getLength());
                } catch (IOException e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }
        };
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        super(args, ctx);
        dCtx = (DynamicContext) ctx.getJobletContext().getGlobalJobData();
        ip = (IntegerPointable) IntegerPointable.FACTORY.createPointable();
        seqa = (SequencePointable) SequencePointable.FACTORY.createPointable();
        seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
        seqAbvs = new ArrayBackedValueStorage();
        itemTvp2 = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        first = true;
    }
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    }

    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        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 tvp1 = args[0];
                // Only accept node trees as input.
                try {
                    int localNodeId = FunctionHelper.getLocalNodeId(tvp1);
                    if (localNodeId == -1) {
                        XDMConstants.setEmptySequence(result);
                    } else {
                        abvs.reset();
                        dOut.write(ValueTag.XS_INT_TAG);
                        dOut.writeInt(localNodeId);
                        result.set(abvs);
                    }
                } catch (Exception e) {
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    }

    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final DataOutput dOut = abvs.getDataOutput();
        final AbstractValueComparisonOperation aOp = createValueComparisonOperation();
        final DynamicContext dCtx = (DynamicContext) ctx.getJobletContext().getGlobalJobData();
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
       
        final ArrayBackedValueStorage abvsInteger1 = new ArrayBackedValueStorage();
        final DataOutput dOutInteger1 = abvsInteger1.getDataOutput();
        final ArrayBackedValueStorage abvsInteger2 = new ArrayBackedValueStorage();
        final DataOutput dOutInteger2 = abvsInteger2.getDataOutput();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp1 = args[0];
                TaggedValuePointable tvp2 = args[1];
               
                if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp1.getValue(seqp);
                    if (seqp.getEntryCount() == 0) {
                        XDMConstants.setEmptySequence(result);
                        return;
                    }
                    throw new SystemException(ErrorCode.XPTY0004);
                }
                if (tvp2.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp2.getValue(seqp);
                    if (seqp.getEntryCount() == 0) {
                        XDMConstants.setEmptySequence(result);
                        return;
                    }
                    throw new SystemException(ErrorCode.XPTY0004);
                }
               
                boolean booleanResult = transformThenCompareTaggedValues(aOp, tvp1, tvp2, dCtx);
                try {
                    abvs.reset();
                    dOut.write(ValueTag.XS_BOOLEAN_TAG);
                    dOut.write(booleanResult ? 1 : 0);
                    result.set(abvs);
                } catch (Exception e) {
                    throw new SystemException(ErrorCode.SYSE0001, e);
                }
            }

            protected boolean transformThenCompareTaggedValues(AbstractValueComparisonOperation aOp,
                    TaggedValuePointable tvp1, TaggedValuePointable tvp2, DynamicContext dCtx) throws SystemException {
                TaggedValuePointable tvp1new = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
                TaggedValuePointable tvp2new = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();

                try {
                    if (tvp1.getTag() == ValueTag.XS_UNTYPED_ATOMIC_TAG) {
                        // Only need to change tag since the storage is the same for untyped atomic and string.
                        tvp1.getByteArray()[0] = ValueTag.XS_STRING_TAG;
                        tvp1new = tvp1;
                    } else if (FunctionHelper.isDerivedFromInteger(tvp1.getTag())) {
                        abvsInteger1.reset();
                        FunctionHelper.getIntegerPointable(tvp1, dOutInteger1);
                        tvp1new.set(abvsInteger1.getByteArray(), abvsInteger1.getStartOffset(),
                                LongPointable.TYPE_TRAITS.getFixedLength() + 1);
                    } else {
                        tvp1new = tvp1;
                    }
                    if (tvp2.getTag() == ValueTag.XS_UNTYPED_ATOMIC_TAG) {
                        // Only need to change tag since the storage is the same for untyped atomic and string.
                        tvp2.getByteArray()[0] = ValueTag.XS_STRING_TAG;
                        tvp2new = tvp2;
                    } else if (FunctionHelper.isDerivedFromInteger(tvp2.getTag())) {
                        abvsInteger2.reset();
                        FunctionHelper.getIntegerPointable(tvp2, dOutInteger2);
                        tvp2new.set(abvsInteger2.getByteArray(), abvsInteger2.getStartOffset(),
                                LongPointable.TYPE_TRAITS.getFixedLength() + 1);
                    } else {
                        tvp2new = tvp2;
                    }
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