Examples of org.exist.indexing.lucene.LuceneIndexWorker.query()

Class org.exist.indexing.lucene.LuceneIndexWorker

Examples of org.exist.indexing.lucene.LuceneIndexWorker.query()

org.exist.indexing.lucene.LuceneIndexWorker.query()
Query the index. Returns a node set containing all matching nodes. Each node in the node set has a {@link org.exist.indexing.lucene.LuceneIndexWorker.LuceneMatch}element attached, which stores the score and a link to the query which generated it. @param context current XQuery context @param contextId current context id, identify to track the position inside nested XPath predicates @param docs query will be restricted to documents in this set @param contextSet if specified, returned nodes will be descendants of the nodes in this set @param qnames query will be restricted to nodes with the qualified names given here @param queryStr a lucene query string @param axis which node is returned: the node in which a match was found or the corresponding ancestorfrom the contextSet @return node set containing all matching nodes @throws IOException @throws ParseException

        List<QName> qnames = new ArrayList<>(1);
        qnames.add(contextQName);
        Properties options = parseOptions(contextSequence, null);
        try {
            if (Type.subTypeOf(key.getType(), Type.ELEMENT))
                preselectResult = index.query(context, getExpressionId(), docs, useContext ? contextSequence.toNodeSet() : null,
                    qnames, (Element) ((NodeValue)key).getNode(), NodeSet.DESCENDANT, options);
            else
                preselectResult = index.query(context, getExpressionId(), docs, useContext ? contextSequence.toNodeSet() : null,
                    qnames, key.getStringValue(), NodeSet.DESCENDANT, options);
        } catch (IOException | org.apache.lucene.queryparser.classic.ParseException e) {

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        try {
            if (Type.subTypeOf(key.getType(), Type.ELEMENT))
                preselectResult = index.query(context, getExpressionId(), docs, useContext ? contextSequence.toNodeSet() : null,
                    qnames, (Element) ((NodeValue)key).getNode(), NodeSet.DESCENDANT, options);
            else
                preselectResult = index.query(context, getExpressionId(), docs, useContext ? contextSequence.toNodeSet() : null,
                    qnames, key.getStringValue(), NodeSet.DESCENDANT, options);
        } catch (IOException | org.apache.lucene.queryparser.classic.ParseException e) {
            throw new XPathException(this, "Error while querying full text index: " + e.getMessage(), e);
        }
        LOG.trace("Lucene query took " + (System.currentTimeMillis() - start));

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                    qnames.add(contextQName);
                }
                Properties options = parseOptions(contextSequence, contextItem);
                try {
                    if (Type.subTypeOf(key.getType(), Type.ELEMENT))
                        result = index.query(context, getExpressionId(), docs, inNodes, qnames,
                                (Element)((NodeValue)key).getNode(), NodeSet.ANCESTOR, options);
                    else
                        result = index.query(context, getExpressionId(), docs, inNodes, qnames,
                                key.getStringValue(), NodeSet.ANCESTOR, options);
                } catch (IOException | org.apache.lucene.queryparser.classic.ParseException e) {

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                try {
                    if (Type.subTypeOf(key.getType(), Type.ELEMENT))
                        result = index.query(context, getExpressionId(), docs, inNodes, qnames,
                                (Element)((NodeValue)key).getNode(), NodeSet.ANCESTOR, options);
                    else
                        result = index.query(context, getExpressionId(), docs, inNodes, qnames,
                                key.getStringValue(), NodeSet.ANCESTOR, options);
                } catch (IOException | org.apache.lucene.queryparser.classic.ParseException e) {
                    throw new XPathException(this, e.getMessage());
                }
            }

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