Package org.apache.vxquery.datamodel.accessors

Examples of org.apache.vxquery.datamodel.accessors.TaggedValuePointable

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        pp = PointablePoolFactory.INSTANCE.createPointablePool();
    }

    @Override
    public void print(byte[] b, int s, int l, PrintStream ps) {
        TaggedValuePointable tvp = pp.takeOne(TaggedValuePointable.class);
        try {
            tvp.set(b, s, l);
            printTaggedValuePointable(ps, tvp);
        } finally {
            pp.giveBack(tvp);
        }
    }
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    private void printNodeTree(PrintStream ps, TaggedValuePointable tvp) {
        if (ntp != null) {
            throw new IllegalStateException("Nested NodeTreePointable found");
        }
        ntp = pp.takeOne(NodeTreePointable.class);
        TaggedValuePointable rootTVP = pp.takeOne(TaggedValuePointable.class);
        try {
            tvp.getValue(ntp);
            ntp.getRootNode(rootTVP);
            printTaggedValuePointable(ps, rootTVP);
        } finally {
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    private void printAttributeNode(PrintStream ps, TaggedValuePointable tvp) {
        AttributeNodePointable anp = pp.takeOne(AttributeNodePointable.class);
        CodedQNamePointable cqp = pp.takeOne(CodedQNamePointable.class);
        UTF8StringPointable utf8sp = pp.takeOne(UTF8StringPointable.class);
        TaggedValuePointable valueTVP = pp.takeOne(TaggedValuePointable.class);
        try {
            tvp.getValue(anp);
            anp.getName(cqp);
            printPrefixedQName(ps, cqp, utf8sp);
            ps.append("=\"");
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        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.
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            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                try {
                    abvs.reset();
                    sb.reset(abvs);
                    for (int i = 0; i < args.length; ++i) {
                        TaggedValuePointable tvp = args[i];
                        if (tvp.getTag() == ValueTag.SEQUENCE_TAG) {
                            tvp.getValue(seq);
                            int seqLen = seq.getEntryCount();
                            for (int j = 0; j < seqLen; ++j) {
                                seq.getEntry(j, p);
                                sb.addItem(p);
                            }
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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final ArrayBackedValueStorage abvs = new ArrayBackedValueStorage();
        final UTF8StringPointable stringp = (UTF8StringPointable) UTF8StringPointable.FACTORY.createPointable();
        final TaggedValuePointable nodep = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();
        final ByteBufferInputStream bbis = new ByteBufferInputStream();
        final DataInputStream di = new DataInputStream(bbis);
        final SequenceBuilder sb = new SequenceBuilder();
        final ArrayBackedValueStorage abvsFileNode = new ArrayBackedValueStorage();
        final InputSource in = new InputSource();

        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            protected void evaluate(TaggedValuePointable[] args, IPointable result) throws SystemException {
                TaggedValuePointable tvp = args[0];
                // TODO add support empty sequence and no argument.
                if (tvp.getTag() != ValueTag.XS_STRING_TAG) {
                    throw new SystemException(ErrorCode.FORG0006);
                }
                tvp.getValue(stringp);
                try {
                    // Get the list of files.
                    bbis.setByteBuffer(ByteBuffer.wrap(Arrays.copyOfRange(stringp.getByteArray(),
                            stringp.getStartOffset(), stringp.getLength() + stringp.getStartOffset())), 0);
                    String collectionName = di.readUTF();
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    public AbstractTaggedValueArgumentUnnestingEvaluator(IScalarEvaluator[] args) {
        this.args = args;
        tvps = new TaggedValuePointable[args.length];
        for (int i = 0; i < tvps.length; ++i) {
            tvps[i] = new TaggedValuePointable();
        }
    }
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    public AbstractTaggedValueArgumentAggregateEvaluator(IScalarEvaluator[] args) {
        this.args = args;
        tvps = new TaggedValuePointable[args.length];
        for (int i = 0; i < tvps.length; ++i) {
            tvps[i] = new TaggedValuePointable();
        }
    }
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        final DataInputStream di = new DataInputStream(bbis);

        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);
                    if (seqp.getEntryCount() == 0) {
                        XDMConstants.setFalse(result);
                        return;
                    } else {
                        throw new SystemException(ErrorCode.FORG0006);
                    }
                }
                if (tvp.getTag() != ValueTag.XS_STRING_TAG) {
                    throw new SystemException(ErrorCode.FORG0006);
                }

                try {
                    FunctionHelper.readInDocFromPointable(stringp, in, bbis, di, abvs);
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    public AbstractTaggedValueArgumentScalarEvaluator(IScalarEvaluator[] args) {
        this.args = args;
        tvps = new TaggedValuePointable[args.length];
        for (int i = 0; i < tvps.length; ++i) {
            tvps[i] = new TaggedValuePointable();
        }
    }
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Related Classes of org.apache.vxquery.datamodel.accessors.TaggedValuePointable

  • org.apache.vxquery.compiler.algebricks.VXQueryBinaryBooleanInspectorFactory
  • org.apache.vxquery.compiler.algebricks.VXQueryBinaryIntegerInspectorFactory
  • org.apache.vxquery.compiler.algebricks.VXQueryComparatorFactoryProvider$BinaryComparatorFactory
  • org.apache.vxquery.compiler.rewriter.rules.EliminateSubplanForSingleItemsRule
  • org.apache.vxquery.compiler.rewriter.rules.RemoveUnusedTreatRule
  • org.apache.vxquery.compiler.rewriter.rules.util.ExpressionToolbox
  • org.apache.vxquery.runtime.functions.aggregate.AbstractMaxMinAggregateEvaluatorFactory
  • org.apache.vxquery.runtime.functions.aggregate.AbstractMaxMinScalarEvaluatorFactory
  • org.apache.vxquery.runtime.functions.aggregate.AvgGlobalAggregateEvaluatorFactory
  • org.apache.vxquery.runtime.functions.aggregate.AvgLocalAggregateEvaluatorFactory
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