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Example 16 with Modification

use of org.exist.xupdate.Modification 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);
        }
    });
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) Modification(org.exist.xupdate.Modification) InputSource(org.xml.sax.InputSource) EXistException(org.exist.EXistException) ParserConfigurationException(javax.xml.parsers.ParserConfigurationException)

Example 17 with Modification

use of org.exist.xupdate.Modification 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);
        }
    });
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) Modification(org.exist.xupdate.Modification) InputSource(org.xml.sax.InputSource) EXistException(org.exist.EXistException) Collection(org.exist.collections.Collection) ParserConfigurationException(javax.xml.parsers.ParserConfigurationException)

Example 18 with Modification

use of org.exist.xupdate.Modification 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();
            }
        }
    });
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) MutableDocumentSet(org.exist.dom.persistent.MutableDocumentSet) Modification(org.exist.xupdate.Modification) InputSource(org.xml.sax.InputSource) DefaultDocumentSet(org.exist.dom.persistent.DefaultDocumentSet) XMLDBException(org.xmldb.api.base.XMLDBException) Reader(java.io.Reader) StringReader(java.io.StringReader) URISyntaxException(java.net.URISyntaxException) DocumentImpl(org.exist.dom.persistent.DocumentImpl) SAXException(org.xml.sax.SAXException) LockException(org.exist.util.LockException) LockedDocument(org.exist.dom.persistent.LockedDocument) StringReader(java.io.StringReader) ParserConfigurationException(javax.xml.parsers.ParserConfigurationException)

Example 19 with Modification

use of org.exist.xupdate.Modification 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);
        }
    }
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) MutableDocumentSet(org.exist.dom.persistent.MutableDocumentSet) Modification(org.exist.xupdate.Modification) StringInputSource(org.exist.util.StringInputSource) InputSource(org.xml.sax.InputSource) DefaultDocumentSet(org.exist.dom.persistent.DefaultDocumentSet) Txn(org.exist.storage.txn.Txn) DocumentImpl(org.exist.dom.persistent.DocumentImpl) StringInputSource(org.exist.util.StringInputSource) TransactionManager(org.exist.storage.txn.TransactionManager) StringReader(java.io.StringReader) Collection(org.exist.collections.Collection)

Example 20 with Modification

use of org.exist.xupdate.Modification 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);
    }
}
Also used : XUpdateProcessor(org.exist.xupdate.XUpdateProcessor) Modification(org.exist.xupdate.Modification) InputSource(org.xml.sax.InputSource) XQuery(org.exist.xquery.XQuery) Txn(org.exist.storage.txn.Txn) Sequence(org.exist.xquery.value.Sequence) TransactionManager(org.exist.storage.txn.TransactionManager) StringReader(java.io.StringReader) StringValue(org.exist.xquery.value.StringValue)

Aggregations

Modification (org.exist.xupdate.Modification)23 XUpdateProcessor (org.exist.xupdate.XUpdateProcessor)23 InputSource (org.xml.sax.InputSource)23 StringReader (java.io.StringReader)20 Txn (org.exist.storage.txn.Txn)18 TransactionManager (org.exist.storage.txn.TransactionManager)12 XQuery (org.exist.xquery.XQuery)11 Sequence (org.exist.xquery.value.Sequence)11 BrokerPool (org.exist.storage.BrokerPool)10 DBBroker (org.exist.storage.DBBroker)10 DefaultDocumentSet (org.exist.dom.persistent.DefaultDocumentSet)8 MutableDocumentSet (org.exist.dom.persistent.MutableDocumentSet)8 DocumentSet (org.exist.dom.persistent.DocumentSet)5 CompiledXQuery (org.exist.xquery.CompiledXQuery)5 ParserConfigurationException (javax.xml.parsers.ParserConfigurationException)4 QName (org.exist.dom.QName)4 EXistException (org.exist.EXistException)3 Collection (org.exist.collections.Collection)3 DocumentImpl (org.exist.dom.persistent.DocumentImpl)2 LockedDocument (org.exist.dom.persistent.LockedDocument)2