Examples with XUpdateProcessor org.exist.xupdate.XUpdateProcessor used on opensource projects

Example 21 with XUpdateProcessor

use of org.exist.xupdate.XUpdateProcessor in project exist by eXist-db.

the class RemoveTest method doUpdate.

@Override
protected void doUpdate(final DBBroker broker, final TransactionManager transact, final MutableDocumentSet docs) throws ParserConfigurationException, IOException, SAXException, LockException, XPathException, PermissionDeniedException, EXistException {
    final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
    assertNotNull(proc);
    try (final Txn transaction = transact.beginTransaction()) {
        // append some new element to records
        for (int i = 1; i <= 50; i++) {
            final String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:append select=\"/products\">" + "       <product>" + "           <xu:attribute name=\"id\"><xu:value-of select=\"count(/products/product) + 1\"/></xu:attribute>" + "           <description>Product " + i + "</description>" + "           <price>" + (i * 2.5) + "</price>" + "           <stock>" + (i * 10) + "</stock>" + "       </product>" + "   </xu:append>" + "</xu:modifications>";
            proc.setBroker(broker);
            proc.setDocumentSet(docs);
            final Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
            assertNotNull(modifications);
            modifications[0].process(transaction);
            proc.reset();
        }
        transact.commit(transaction);
    }
    final Serializer serializer = broker.borrowSerializer();
    try (final LockedDocument lockedDoc = broker.getXMLResource(TestConstants.TEST_COLLECTION_URI2.append(TestConstants.TEST_XML_URI), LockMode.READ_LOCK)) {
        assertNotNull("Document '" + XmldbURI.ROOT_COLLECTION + "/test/test2/test.xml' should not be null", lockedDoc);
        final String data = serializer.serialize(lockedDoc.getDocument());
    } finally {
        broker.returnSerializer(serializer);
    }
    // the following transaction will not be committed and thus undone during recovery
    final Txn transaction = transact.beginTransaction();
    // remove elements
    for (int i = 1; i <= 25; i++) {
        final String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:remove select=\"/products/product[last()]\"/>" + "</xu:modifications>";
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        final Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        proc.reset();
    }
// DO NOT COMMIT TRANSACTION
}

Example 22 with XUpdateProcessor

use of org.exist.xupdate.XUpdateProcessor in project exist by eXist-db.

the class RenameTest method doUpdate.

@Override
protected void doUpdate(final DBBroker broker, final TransactionManager transact, final MutableDocumentSet docs) throws ParserConfigurationException, IOException, SAXException, LockException, XPathException, PermissionDeniedException, EXistException {
    final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
    assertNotNull(proc);
    try (final Txn transaction = transact.beginTransaction()) {
        // append some new element to records
        for (int i = 1; i <= 200; i++) {
            final String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:append select=\"/products\">" + "       <product>" + "           <xu:attribute name=\"id\"><xu:value-of select=\"count(/products/product) + 1\"/></xu:attribute>" + "           <description>Product " + i + "</description>" + "           <price>" + (i * 2.5) + "</price>" + "           <stock>" + (i * 10) + "</stock>" + "       </product>" + "   </xu:append>" + "</xu:modifications>";
            proc.setBroker(broker);
            proc.setDocumentSet(docs);
            final Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
            assertNotNull(modifications);
            modifications[0].process(transaction);
            proc.reset();
        }
        transact.commit(transaction);
    }
    // the following transaction will not be committed and thus undone during recovery
    final Txn transaction = transact.beginTransaction();
    // rename elements
    final String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:rename select=\"/products/product/description\">descript</xu:rename>" + "</xu:modifications>";
    proc.setBroker(broker);
    proc.setDocumentSet(docs);
    final Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
    assertNotNull(modifications);
    modifications[0].process(transaction);
    proc.reset();
// DO NOT COMMIT TRANSACTION
}

Example 23 with XUpdateProcessor

use of org.exist.xupdate.XUpdateProcessor in project exist by eXist-db.

the class LuceneIndexTest method xupdateUpdate.

@Test
public void xupdateUpdate() throws EXistException, CollectionConfigurationException, PermissionDeniedException, SAXException, LockException, IOException, XPathException, ParserConfigurationException, QName.IllegalQNameException {
    final DocumentSet docs = configureAndStore(COLLECTION_CONFIG2, XML2, "xupdate.xml");
    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()) {
        final Occurrences[] occur = checkIndex(docs, broker, new QName[] { new QName("description") }, "chair", 1);
        assertEquals("chair", occur[0].getTerm());
        checkIndex(docs, broker, new QName[] { new QName("item") }, null, 5);
        final XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        Sequence seq = xquery.execute(broker, "//item[ft:query(description, 'chair')]", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        // Update element content
        final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        String xupdate = XUPDATE_START + "   <xu:update select=\"//item[@id = '1']/description\">wardrobe</xu:update>" + XUPDATE_END;
        Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        proc.reset();
        checkIndex(docs, broker, new QName[] { new QName("description") }, null, 3);
        checkIndex(docs, broker, new QName[] { new QName("item") }, null, 5);
        checkIndex(docs, broker, new QName[] { new QName("description") }, "chair", 0);
        checkIndex(docs, broker, new QName[] { new QName("item") }, "chair", 0);
        Occurrences[] o = checkIndex(docs, broker, new QName[] { new QName("description") }, "wardrobe", 1);
        assertEquals("wardrobe", o[0].getTerm());
        // Update text node
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        xupdate = XUPDATE_START + "   <xu:update select=\"//item[@id = '1']/description/text()\">Wheelchair</xu:update>" + XUPDATE_END;
        modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        proc.reset();
        checkIndex(docs, broker, new QName[] { new QName("description") }, null, 3);
        checkIndex(docs, broker, new QName[] { new QName("item") }, null, 5);
        checkIndex(docs, broker, new QName[] { new QName("description") }, "wardrobe", 0);
        checkIndex(docs, broker, new QName[] { new QName("item") }, "wardrobe", 0);
        o = checkIndex(docs, broker, new QName[] { new QName("description") }, "wheelchair", 1);
        assertEquals("wheelchair", o[0].getTerm());
        // Update attribute value
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        xupdate = XUPDATE_START + "   <xu:update select=\"//item[@id = '1']/@attr\">abc</xu:update>" + XUPDATE_END;
        modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        proc.reset();
        final QName[] qnattr = { new QName("attr", XMLConstants.NULL_NS_URI, XMLConstants.DEFAULT_NS_PREFIX, ElementValue.ATTRIBUTE) };
        o = checkIndex(docs, broker, qnattr, null, 1);
        assertEquals("abc", o[0].getTerm());
        checkIndex(docs, broker, qnattr, "attribute", 0);
        transact.commit(transaction);
    }
}