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

Example 16 with XUpdateProcessor

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

the class RpcConnection method xupdateResource.

private int xupdateResource(final XmldbURI docUri, final String xupdate) throws PermissionDeniedException, EXistException {
    return withDb((broker, transaction) -> {
        final MutableDocumentSet docs = this.<MutableDocumentSet>readDocument(docUri).apply((document, broker1, transaction1) -> {
            // TODO : register a lock (which one ?) within the transaction ?
            final MutableDocumentSet documentSet = new DefaultDocumentSet();
            documentSet.add(document);
            return documentSet;
        });
        try (final Reader reader = new StringReader(xupdate)) {
            final XUpdateProcessor processor = new XUpdateProcessor(broker, docs);
            final Modification[] modifications = processor.parse(new InputSource(reader));
            long mods = 0;
            for (final Modification modification : modifications) {
                mods += modification.process(transaction);
                broker.flush();
            }
            return (int) mods;
        } catch (final XPathException | ParserConfigurationException e) {
            throw new EXistException(e);
        }
    });
}

Example 17 with XUpdateProcessor

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

the class RpcConnection method xupdate.

private int xupdate(final XmldbURI collUri, final String xupdate) throws PermissionDeniedException, EXistException {
    return withDb((broker, transaction) -> {
        final Collection collectionRef = this.<Collection>readCollection(collUri).apply((collection, broker1, transaction1) -> collection);
        // TODO : register a lock (which one ?) in the transaction ?
        final DocumentSet docs = collectionRef.allDocs(broker, new DefaultDocumentSet(), true);
        try (final Reader reader = new StringReader(xupdate)) {
            final XUpdateProcessor processor = new XUpdateProcessor(broker, docs);
            final Modification[] modifications = processor.parse(new InputSource(reader));
            long mods = 0;
            for (final Modification modification : modifications) {
                mods += modification.process(transaction);
                broker.flush();
            }
            return (int) mods;
        } catch (final XPathException | ParserConfigurationException e) {
            throw new EXistException(e);
        }
    });
}

Example 18 with XUpdateProcessor

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

the class LocalXUpdateQueryService method updateResource.

@Override
public long updateResource(final String id, final String commands) throws XMLDBException {
    return this.<Long>withDb((broker, transaction) -> {
        final long start = System.currentTimeMillis();
        final MutableDocumentSet docs = this.<MutableDocumentSet>read(broker, transaction, collection.getPathURI()).apply((collection, broker1, transaction1) -> {
            MutableDocumentSet d = new DefaultDocumentSet();
            if (id == null) {
                d = collection.allDocs(broker1, d, true);
            } else {
                try {
                    final XmldbURI resourceURI = XmldbURI.xmldbUriFor(id);
                    try (final LockedDocument lockedDocument = collection.getDocumentWithLock(broker1, resourceURI, Lock.LockMode.READ_LOCK)) {
                        // NOTE: early release of Collection lock inline with Asymmetrical Locking scheme
                        collection.close();
                        final DocumentImpl doc = lockedDocument == null ? null : lockedDocument.getDocument();
                        if (doc == null) {
                            throw new XMLDBException(ErrorCodes.INVALID_RESOURCE, "Resource not found: " + id);
                        }
                        d.add(doc);
                    }
                } catch (final URISyntaxException e) {
                    throw new XMLDBException(ErrorCodes.VENDOR_ERROR, e.getMessage(), e);
                }
            }
            return d;
        });
        try (final Reader reader = new StringReader(commands)) {
            if (processor == null) {
                processor = new XUpdateProcessor(broker, docs);
            } else {
                processor.setBroker(broker);
                processor.setDocumentSet(docs);
            }
            final Modification[] modifications = processor.parse(new InputSource(reader));
            long mods = 0;
            for (Modification modification : modifications) {
                mods += modification.process(transaction);
                broker.flush();
            }
            if (LOG.isDebugEnabled()) {
                LOG.debug("xupdate took {}ms.", System.currentTimeMillis() - start);
            }
            return mods;
        } catch (final ParserConfigurationException | SAXException | LockException e) {
            throw new XMLDBException(ErrorCodes.VENDOR_ERROR, e.getMessage(), e);
        } finally {
            if (processor != null) {
                processor.reset();
            }
        }
    });
}

Example 19 with XUpdateProcessor

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

the class UpdateRecoverTest method store.

private void store(final BrokerPool pool) throws EXistException, PermissionDeniedException, IOException, SAXException, LockException, ParserConfigurationException, XPathException {
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()))) {
        DocumentImpl doc;
        try (final Txn transaction = transact.beginTransaction()) {
            final Collection root = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI);
            assertNotNull(root);
            broker.saveCollection(transaction, root);
            final Collection test2 = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI2);
            assertNotNull(test2);
            broker.saveCollection(transaction, test2);
            broker.storeDocument(transaction, TestConstants.TEST_XML_URI, new StringInputSource(TEST_XML), MimeType.XML_TYPE, test2);
            doc = test2.getDocument(broker, TestConstants.TEST_XML_URI);
            // TODO : unlock the collection here ?
            transact.commit(transaction);
        }
        try (final Txn transaction = transact.beginTransaction()) {
            final MutableDocumentSet docs = new DefaultDocumentSet();
            docs.add(doc);
            final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
            assertNotNull(proc);
            // insert some nodes
            for (int i = 1; i <= 200; i++) {
                final String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:insert-before select=\"/products/product[1]\">" + "       <product>" + "           <description>Product " + i + "</description>" + "           <price>" + (i * 2.5) + "</price>" + "           <stock>" + (i * 10) + "</stock>" + "       </product>" + "   </xu:insert-before>" + "</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();
            }
            // add attribute
            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[" + i + "]\">" + "         <xu:attribute name=\"id\">" + i + "</xu:attribute>" + " </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();
            }
            // replace some
            for (int i = 1; i <= 100; i++) {
                final String xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:replace select=\"/products/product[" + i + "]\">" + "     <product id=\"" + i + "\">" + "         <description>Replaced product</description>" + "         <price>" + (i * 0.75) + "</price>" + "     </product>" + " </xu:replace>" + "</xu:modifications>";
                proc.setBroker(broker);
                proc.setDocumentSet(docs);
                final Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
                assertNotNull(modifications);
                long mods = modifications[0].process(transaction);
                proc.reset();
            }
            // remove some
            for (int i = 1; i <= 100; 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();
            }
            for (int i = 1; i <= 100; 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();
            }
            // rename element "description" to "descript"
            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);
            Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
            assertNotNull(modifications);
            modifications[0].process(transaction);
            proc.reset();
            // update attribute values
            for (int i = 1; i <= 200; i++) {
                xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:update select=\"/products/product[" + i + "]/@id\">" + i + "u</xu:update>" + "</xu:modifications>";
                proc.setBroker(broker);
                proc.setDocumentSet(docs);
                modifications = proc.parse(new InputSource(new StringReader(xupdate)));
                assertNotNull(modifications);
                long mods = modifications[0].process(transaction);
                proc.reset();
            }
            // append new element to records
            for (int i = 1; i <= 200; i++) {
                xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:append select=\"/products/product[" + i + "]\">" + "       <date><xu:value-of select=\"current-dateTime()\"/></date>" + "   </xu:append>" + "</xu:modifications>";
                proc.setBroker(broker);
                proc.setDocumentSet(docs);
                modifications = proc.parse(new InputSource(new StringReader(xupdate)));
                assertNotNull(modifications);
                modifications[0].process(transaction);
                proc.reset();
            }
            // update element content
            for (int i = 1; i <= 200; i++) {
                xupdate = "<xu:modifications version=\"1.0\" xmlns:xu=\"http://www.xmldb.org/xupdate\">" + "   <xu:update select=\"/products/product[" + i + "]/price\">19.99</xu:update>" + "</xu:modifications>";
                proc.setBroker(broker);
                proc.setDocumentSet(docs);
                modifications = proc.parse(new InputSource(new StringReader(xupdate)));
                assertNotNull(modifications);
                long mods = modifications[0].process(transaction);
                proc.reset();
            }
            transact.commit(transaction);
        }
    }
}

Example 20 with XUpdateProcessor

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

the class RangeIndexUpdateTest method updates.

@Test
public void updates() throws EXistException, PermissionDeniedException, XPathException, ParserConfigurationException, IOException, SAXException, LockException {
    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, ITEM_QNAME, new StringValue("Chair"), 1);
        checkIndex(broker, docs, ITEM_QNAME, new StringValue("Table892.25"), 1);
        checkIndex(broker, docs, ITEM_QNAME, new StringValue("Cabinet1525.00"), 1);
        final XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        final Sequence seq = xquery.execute(broker, "//item[. = 'Chair']", null);
        assertNotNull(seq);
        assertEquals(1, seq.getItemCount());
        final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
        assertNotNull(proc);
        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);
        long mods = modifications[0].process(transaction);
        proc.reset();
        assertEquals(1, mods);
        checkIndex(broker, docs, ITEM_QNAME, new StringValue("Chair"), 0);
        checkIndex(broker, docs, ITEM_QNAME, new StringValue("Wardrobe"), 1);
        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);
        mods = modifications[0].process(transaction);
        proc.reset();
        assertEquals(1, mods);
        checkIndex(broker, docs, ITEM_QNAME, new StringValue("Wardrobe"), 0);
        checkIndex(broker, docs, ITEM_QNAME, new StringValue("Wheelchair"), 1);
        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);
        mods = modifications[0].process(transaction);
        proc.reset();
        assertEquals(1, mods);
        checkIndex(broker, docs, null, new StringValue("abc"), 1);
        transact.commit(transaction);
    }
}