Examples with XQuery org.exist.xquery.XQuery used on opensource projects

Example 91 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class CustomIndexTest method xupdateRename.

@Test
public void xupdateRename() throws EXistException, LockException, XPathException, PermissionDeniedException, SAXException, IOException, ParserConfigurationException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = transact.beginTransaction()) {
        checkIndex(broker, docs, "cha", 1);
        checkIndex(broker, docs, "le8", 1);
        XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        Sequence seq = xquery.execute(broker, "//item[ngram:contains(., 'cha')]", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
        assertNotNull(proc);
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        String xupdate = XUPDATE_START + "   <xu:rename select=\"//item[@id='2']\">renamed</xu:rename>" + XUPDATE_END;
        Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        proc.reset();
        checkIndex(broker, docs, "tab", 0);
        transact.commit(transaction);
    }
}

Example 92 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class CustomIndexTest method indexKeys.

@Test
public void indexKeys() throws SAXException, PermissionDeniedException, XPathException, EXistException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        Sequence seq = xquery.execute(broker, "util:index-key-occurrences(/test/item, 'cha', 'ngram-index')", null);
        // Sequence seq = xquery.execute("util:index-key-occurrences(/test/item, 'cha', 'org.exist.indexing.impl.NGramIndex')", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        seq = xquery.execute(broker, "util:index-key-occurrences(/test/item, 'le8', 'ngram-index')", null);
        // seq = xquery.execute("util:index-key-occurrences(/test/item, 'le8', 'org.exist.indexing.impl.NGramIndex')", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        seq = xquery.execute(broker, "util:index-key-documents(/test/item, 'le8', 'ngram-index')", null);
        // seq = xquery.execute("util:index-key-documents(/test/item, 'le8', 'org.exist.indexing.impl.NGramIndex')", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        seq = xquery.execute(broker, "util:index-key-documents(/test/item, 'le8', 'ngram-index')", null);
        // seq = xquery.execute("util:index-key-doucments(/test/item, 'le8', 'org.exist.indexing.impl.NGramIndex')", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        String queryBody = "declare function local:callback($key as item(), $data as xs:int+)\n" + "as element()+ {\n" + "    <item>\n" + "        <key>{$key}</key>\n" + "        <frequency>{$data[1]}</frequency>\n" + "    </item>\n" + "};\n" + "\n";
        String query = queryBody + "util:index-keys(/test/item, \'\', util:function(xs:QName(\'local:callback\'), 2), 1000, 'ngram-index')";
        // String query = queryBody + "util:index-keys(/test/item, \'\', util:function(xs:QName(\'local:callback\'), 2), 1000, 'org.exist.indexing.impl.NGramIndex')";
        seq = xquery.execute(broker, query, null);
        assertNotNull(seq);
        // TODO : check cardinality
        StringWriter out = new StringWriter();
        Properties props = new Properties();
        props.setProperty(OutputKeys.INDENT, "yes");
        SAXSerializer serializer = new SAXSerializer(out, props);
        serializer.startDocument();
        for (SequenceIterator i = seq.iterate(); i.hasNext(); ) {
            Item next = i.nextItem();
            next.toSAX(broker, serializer, props);
        }
        serializer.endDocument();
    // TODO : check content
    }
}

Example 93 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class CustomIndexTest method dropIndex.

@Test
public void dropIndex() throws EXistException, PermissionDeniedException, XPathException, LockException, TriggerException, IOException {
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = transact.beginTransaction()) {
        XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        Sequence seq = xquery.execute(broker, "//item[ngram:contains(., 'cha')]", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        checkIndex(broker, docs, "cha", 1);
        checkIndex(broker, docs, "le8", 1);
        try (final Collection root = broker.openCollection(TestConstants.TEST_COLLECTION_URI, LockMode.WRITE_LOCK)) {
            assertNotNull(root);
            root.removeXMLResource(transaction, broker, XmldbURI.create("test_string.xml"));
        }
        checkIndex(broker, docs, "cha", 0);
        seq = xquery.execute(broker, "//item[ngram:contains(., 'cha')]", null);
        assertNotNull(seq);
        assertEquals(0, seq.getItemCount());
        transact.commit(transaction);
    }
}

Example 94 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class LuceneMatchListenerTest method indexByQName.

/**
 * Test match highlighting for index configured by QName, e.g.
 * <create qname="a"/>.
 */
@Test
public void indexByQName() throws EXistException, PermissionDeniedException, XPathException, SAXException, CollectionConfigurationException, LockException, IOException {
    configureAndStore(CONF2, XML);
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        Sequence seq = xquery.execute(broker, "//para[ft:query(., 'mixed')]", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        String result = queryResult2String(broker, seq);
        XMLAssert.assertEquals("<para>some paragraph with <hi>" + MATCH_START + "mixed" + MATCH_END + "</hi> content.</para>", result);
        seq = xquery.execute(broker, "//para[ft:query(., '+nested +inner +elements')]", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        result = queryResult2String(broker, seq);
        XMLAssert.assertEquals("<para>another paragraph with <note><hi>" + MATCH_START + "nested" + MATCH_END + "</hi> " + MATCH_START + "inner" + MATCH_END + "</note> " + MATCH_START + "elements" + MATCH_END + ".</para>", result);
        seq = xquery.execute(broker, "//para[ft:query(term, 'term')]", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        result = queryResult2String(broker, seq);
        XMLAssert.assertEquals("<para>a third paragraph with <term>" + MATCH_START + "term" + MATCH_END + "</term>.</para>", result);
        seq = xquery.execute(broker, "//para[ft:query(., '+double +match')]", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        result = queryResult2String(broker, seq);
        XMLAssert.assertEquals("<para>" + MATCH_START + "double" + MATCH_END + " " + MATCH_START + "match" + MATCH_END + " " + MATCH_START + "double" + MATCH_END + " " + MATCH_START + "match" + MATCH_END + "</para>", result);
        seq = xquery.execute(broker, "for $para in //para[ft:query(., '+double +match')] return\n" + "   <hit>{$para}</hit>", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        result = queryResult2String(broker, seq);
        XMLAssert.assertEquals("<hit><para>" + MATCH_START + "double" + MATCH_END + " " + MATCH_START + "match" + MATCH_END + " " + MATCH_START + "double" + MATCH_END + " " + MATCH_START + "match" + MATCH_END + "</para></hit>", result);
    }
}

Example 95 with XQuery

use of org.exist.xquery.XQuery in project exist by eXist-db.

the class Modification method select.

/**
 * Evaluate the select expression.
 *
 * @param docs the documents to evaludate the expression over
 *
 * @return The selected nodes.
 *
 * @throws PermissionDeniedException if the caller has insufficient priviledges
 * @throws EXistException if the database raises an error
 * @throws XPathException if the XPath raises an error
 */
protected NodeList select(DocumentSet docs) throws PermissionDeniedException, EXistException, XPathException {
    final XQuery xquery = broker.getBrokerPool().getXQueryService();
    final XQueryPool pool = broker.getBrokerPool().getXQueryPool();
    final Source source = new StringSource(selectStmt);
    CompiledXQuery compiled = pool.borrowCompiledXQuery(broker, source);
    XQueryContext context;
    if (compiled == null) {
        context = new XQueryContext(broker.getBrokerPool());
    } else {
        context = compiled.getContext();
        context.prepareForReuse();
    }
    context.setStaticallyKnownDocuments(docs);
    declareNamespaces(context);
    declareVariables(context);
    if (compiled == null)
        try {
            compiled = xquery.compile(context, source);
        } catch (final IOException e) {
            throw new EXistException("An exception occurred while compiling the query: " + e.getMessage());
        }
    Sequence resultSeq = null;
    try {
        resultSeq = xquery.execute(broker, compiled, null);
    } finally {
        context.runCleanupTasks();
        pool.returnCompiledXQuery(source, compiled);
    }
    if (!(resultSeq.isEmpty() || Type.subTypeOf(resultSeq.getItemType(), Type.NODE))) {
        throw new EXistException("select expression should evaluate to a node-set; got " + Type.getTypeName(resultSeq.getItemType()));
    }
    if (LOG.isDebugEnabled()) {
        LOG.debug("found {} for select: {}", resultSeq.getItemCount(), selectStmt);
    }
    return resultSeq.toNodeSet();
}