Package org.exist.indexing.range

Examples of org.exist.indexing.range.RangeIndexWorker

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        if (!args[arg].isEmpty()) {
            max = ((IntegerValue)args[arg].itemAt(0)).getInt();
        }

        final Sequence result = new ValueSequence();
        final RangeIndexWorker worker = (RangeIndexWorker) context.getBroker().getIndexController().getWorkerByIndexName("range-index");
        Occurrences[] occur = worker.scanIndexByField(field, contextSequence == null ? context.getStaticallyKnownDocuments() : contextSequence.getDocumentSet(), start, max);
        final int len = (max != -1 && occur.length > max ? max : occur.length);
        final Sequence params[] = new Sequence[2];
        ValueSequence data = new ValueSequence();
        for (int j = 0; j < len; j++) {
            params[0] = new StringValue(occur[j].getTerm().toString());
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        long start = System.currentTimeMillis();

        // the expression can be called multiple times, so we need to clear the previous preselectResult
        preselectResult = null;

        RangeIndexWorker index = (RangeIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(RangeIndex.ID);

        DocumentSet docs = contextSequence.getDocumentSet();
        AtomicValue[] keys = getKeys(contextSequence);
        if (keys.length == 0) {
            return NodeSet.EMPTY_SET;
        }

        List<QName> qnames = null;
        if (contextQName != null) {
            qnames = new ArrayList<QName>(1);
            qnames.add(contextQName);
        }

        final RangeIndex.Operator operator = getOperator();

        try {
            preselectResult = index.query(getExpressionId(), docs, contextSequence.toNodeSet(), qnames, keys, operator, NodeSet.DESCENDANT);
        } catch (XPathException | IOException e) {
            throw new XPathException(this, "Error while querying full text index: " + e.getMessage(), e);
        }
        //LOG.info("preselect for " + Arrays.toString(keys) + " on " + contextSequence.getItemCount() + "returned " + preselectResult.getItemCount() +
        //        " and took " + (System.currentTimeMillis() - start));
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            long start = System.currentTimeMillis();
            Sequence input = getArgument(0).eval(contextSequence);
            if (!(input instanceof VirtualNodeSet) && input.isEmpty())
                result = NodeSet.EMPTY_SET;
            else {
                RangeIndexWorker index = (RangeIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(RangeIndex.ID);
                AtomicValue[] keys = getKeys(contextSequence);
                if (keys.length == 0) {
                    return NodeSet.EMPTY_SET;
                }
                List<QName> qnames = null;
                if (contextQName != null) {
                    qnames = new ArrayList<QName>(1);
                    qnames.add(contextQName);
                }
                final RangeIndex.Operator operator = getOperator();

                try {
                    NodeSet inNodes = input.toNodeSet();
                    DocumentSet docs = inNodes.getDocumentSet();
                    result = index.query(getExpressionId(), docs, inNodes, qnames, keys, operator, NodeSet.ANCESTOR);
                } catch (IOException e) {
                    throw new XPathException(this, e.getMessage());
                }
            }
            if( context.getProfiler().traceFunctions() ) {
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    public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
        if (!context.getUser().hasDbaRole())
            throw new XPathException(this, "user has to be a member of the dba group to call " +
                "the optimize function. Calling user was " + context.getUser().getName());
        RangeIndexWorker index = (RangeIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(RangeIndex.ID);
        index.optimize();
        return Sequence.EMPTY_SEQUENCE;
    }
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        for (int i = j; i < getArgumentCount(); i++) {
            keys[i - j] = getArgument(i).eval(contextSequence);
        }
        DocumentSet docs = contextSequence.getDocumentSet();

        RangeIndexWorker index = (RangeIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(RangeIndex.ID);
        try {
            preselectResult = index.queryField(getExpressionId(), docs, useContext ? contextSequence.toNodeSet() : null, fieldSeq, keys, operators, NodeSet.DESCENDANT);
        } catch (IOException e) {
            throw new XPathException(this, "Error while querying full text index: " + e.getMessage(), e);
        }
        LOG.info("preselect for " + Arrays.toString(keys) + " on " + contextSequence.getItemCount() + "returned " + preselectResult.getItemCount() +
                " and took " + (System.currentTimeMillis() - start));
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            }

            if (keys.length < fields.getItemCount()) {
                throw new XPathException(this, "Number of keys to look up must correspond to number of fields specified");
            }
            RangeIndexWorker index = (RangeIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(RangeIndex.ID);

            try {
                result = index.queryField(getExpressionId(), docs, contextSet, fields, keys, operators, NodeSet.DESCENDANT);
                if (contextSet != null) {
                    if (fallback != null && (fallback.getPrimaryAxis() == Constants.CHILD_AXIS || fallback.getPrimaryAxis() == Constants.ATTRIBUTE_AXIS)) {
                        result = result.selectParentChild(contextSet, NodeSet.DESCENDANT, getContextId());
                    } else {
                        result = result.selectAncestorDescendant(contextSet, NodeSet.DESCENDANT, true, getContextId(), true);
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Related Classes of org.exist.indexing.range.RangeIndexWorker

  • org.apache.lucene.analysis.Analyzer
  • org.apache.lucene.analysis.tokenattributes.TermToBytesRefAttribute
  • org.apache.lucene.analysis.TokenStream
  • org.apache.lucene.util.Bits
  • org.apache.lucene.util.BytesRef
  • org.exist.collections.Collection
  • org.exist.indexing.lucene.BinaryTokenStream
  • org.exist.numbering.NodeId
  • org.exist.storage.IndexSpec
  • org.exist.storage.NodePath
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