Package org.apache.vxquery.datamodel.accessors

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

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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final XSQNamePointable qnamep = (XSQNamePointable) XSQNamePointable.FACTORY.createPointable();
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final UTF8StringPointable stringp = (UTF8StringPointable) UTF8StringPointable.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 tvp1 = args[0];

                // Only accept a QNames or empty sequence.
                if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp1.getValue(seqp);
                    if (seqp.getEntryCount() == 0) {
                        XDMConstants.setEmptySequence(result);
                        return;
                    }
                    // Pass through.
                }
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    @Override
    protected IScalarEvaluator createEvaluator(IHyracksTaskContext ctx, IScalarEvaluator[] args)
            throws AlgebricksException {
        final XSQNamePointable qnamep = (XSQNamePointable) XSQNamePointable.FACTORY.createPointable();
        final SequencePointable seqp = (SequencePointable) SequencePointable.FACTORY.createPointable();
        final UTF8StringPointable stringp = (UTF8StringPointable) UTF8StringPointable.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 tvp1 = args[0];

                // Only accept a QNames or empty sequence.
                if (tvp1.getTag() == ValueTag.SEQUENCE_TAG) {
                    tvp1.getValue(seqp);
                    if (seqp.getEntryCount() == 0) {
                        XDMConstants.setEmptySequence(result);
                        return;
                    }
                    // Pass through.
                }
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    private void printElementNode(PrintStream ps, TaggedValuePointable tvp) {
        ElementNodePointable enp = pp.takeOne(ElementNodePointable.class);
        CodedQNamePointable cqp = pp.takeOne(CodedQNamePointable.class);
        UTF8StringPointable utf8sp = pp.takeOne(UTF8StringPointable.class);
        SequencePointable seqp = pp.takeOne(SequencePointable.class);
        try {
            tvp.getValue(enp);
            enp.getName(cqp);
            ps.append('<');
            printPrefixedQName(ps, cqp, utf8sp);

            int nsCount = enp.getNamespaceEntryCount(ntp);
            for (int i = 0; i < nsCount; ++i) {
                ps.append(" xmlns:");
                ntp.getString(enp.getNamespacePrefixCode(ntp, i), utf8sp);
                printString(ps, utf8sp);
                ps.append("=\"");
                ntp.getString(enp.getNamespaceURICode(ntp, i), utf8sp);
                printString(ps, utf8sp);
                ps.append("\"");
            }

            enp.getAttributeSequence(ntp, seqp);
            if (seqp.getByteArray() != null && seqp.getEntryCount() > 0) {
                ps.append(' ');
                printSequence(ps, seqp);
            }

            enp.getChildrenSequence(ntp, seqp);
            if (seqp.getByteArray() != null) {
                ps.append('>');
                printSequence(ps, seqp);
                ps.append("</");
                printPrefixedQName(ps, cqp, utf8sp);
                ps.append('>');
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        printString(ps, utf8sp);
    }

    private void printDocumentNode(PrintStream ps, TaggedValuePointable tvp) {
        DocumentNodePointable dnp = pp.takeOne(DocumentNodePointable.class);
        SequencePointable seqp = pp.takeOne(SequencePointable.class);
        try {
            ps.append("<?xml version=\"1.0\"?>\n");
            tvp.getValue(dnp);
            dnp.getContent(ntp, seqp);
            printSequence(ps, seqp);
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            pp.giveBack(dnp);
        }
    }

    private void printSequence(PrintStream ps, TaggedValuePointable tvp) {
        SequencePointable seqp = pp.takeOne(SequencePointable.class);
        try {
            tvp.getValue(seqp);
            printSequence(ps, seqp);
        } finally {
            pp.giveBack(seqp);
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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 = new SequencePointable();
        final VoidPointable p = (VoidPointable) VoidPointable.FACTORY.createPointable();
        return new AbstractTaggedValueArgumentScalarEvaluator(args) {
            @Override
            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);
                            }
                        } else {
                            sb.addItem(tvp);
                        }
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    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);

        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);
                    }
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    private void printElementNode(PrintStream ps, TaggedValuePointable tvp) {
        ElementNodePointable enp = pp.takeOne(ElementNodePointable.class);
        CodedQNamePointable cqp = pp.takeOne(CodedQNamePointable.class);
        UTF8StringPointable utf8sp = pp.takeOne(UTF8StringPointable.class);
        SequencePointable seqp = pp.takeOne(SequencePointable.class);
        try {
            tvp.getValue(enp);
            enp.getName(cqp);
            ps.append('<');
            printPrefixedQName(ps, cqp, utf8sp);

            int nsCount = enp.getNamespaceEntryCount(ntp);
            for (int i = 0; i < nsCount; ++i) {
                ps.append(" xmlns:");
                ntp.getString(enp.getNamespacePrefixCode(ntp, i), utf8sp);
                printString(ps, utf8sp);
                ps.append("=\"");
                ntp.getString(enp.getNamespaceURICode(ntp, i), utf8sp);
                printString(ps, utf8sp);
                ps.append("\"");
            }

            enp.getAttributeSequence(ntp, seqp);
            if (seqp.getByteArray() != null && seqp.getEntryCount() > 0) {
                ps.append(' ');
                printSequence(ps, seqp);
            }

            ps.append('>');
            enp.getChildrenSequence(ntp, seqp);
            if (seqp.getByteArray() != null) {
                printSequence(ps, seqp);
            }
            ps.append("</");
            printPrefixedQName(ps, cqp, utf8sp);
            ps.append('>');
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        printString(ps, utf8sp);
    }

    private void printDocumentNode(PrintStream ps, TaggedValuePointable tvp) {
        DocumentNodePointable dnp = pp.takeOne(DocumentNodePointable.class);
        SequencePointable seqp = pp.takeOne(SequencePointable.class);
        try {
            ps.append("<?xml version=\"1.0\"?>\n");
            tvp.getValue(dnp);
            dnp.getContent(ntp, seqp);
            printSequence(ps, seqp);
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            pp.giveBack(dnp);
        }
    }

    private void printSequence(PrintStream ps, TaggedValuePointable tvp) {
        SequencePointable seqp = pp.takeOne(SequencePointable.class);
        try {
            printSequence(ps, seqp);
        } finally {
            pp.giveBack(seqp);
        }
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Related Classes of org.apache.vxquery.datamodel.accessors.SequencePointable

  • 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.FnAvgScalarEvaluatorFactory
  • org.apache.vxquery.runtime.functions.aggregate.FnCountScalarEvaluatorFactory
  • org.apache.vxquery.runtime.functions.aggregate.FnSumScalarEvaluatorFactory
  • org.apache.vxquery.runtime.functions.arithmetic.AbstractArithmeticScalarEvaluatorFactory
  • org.apache.vxquery.runtime.functions.bool.FnBooleanScalarEvaluatorFactory
  • org.apache.vxquery.runtime.functions.comparison.AbstractValueComparisonScalarEvaluatorFactory
  • org.apache.vxquery.runtime.functions.comparison.general.AbstractGeneralComparisonScalarEvaluatorFactory
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