Examples with Txn org.exist.storage.txn.Txn used on opensource projects

Example 81 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class LuceneIndexTest method configureAndStore.

private DocumentSet configureAndStore(String configuration, final String[] sampleNames) throws EXistException, CollectionConfigurationException, PermissionDeniedException, SAXException, TriggerException, LockException, IOException {
    final MutableDocumentSet docs = new DefaultDocumentSet();
    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()) {
        if (configuration != null) {
            final CollectionConfigurationManager mgr = pool.getConfigurationManager();
            mgr.addConfiguration(transaction, broker, root, configuration);
        }
        for (final String sampleName : sampleNames) {
            broker.storeDocument(transaction, XmldbURI.create(sampleName), new InputStreamSupplierInputSource(() -> SAMPLES.getShakespeareSample(sampleName)), MimeType.XML_TYPE, root);
            docs.add(root.getDocument(broker, XmldbURI.create(sampleName)));
        }
        transact.commit(transaction);
    }
    return docs;
}

Example 82 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class LuceneIndexTest method attributeMatch.

@Test
public void attributeMatch() throws EXistException, CollectionConfigurationException, PermissionDeniedException, SAXException, TriggerException, LockException, IOException, XPathException, ParserConfigurationException {
    final DocumentSet docs = configureAndStore(COLLECTION_CONFIG7, XML8, "test.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 XQuery xquery = pool.getXQueryService();
        assertNotNull(xquery);
        Sequence seq = xquery.execute(broker, "for $a in ft:query((//b|//c), 'AAA') order by ft:score($a) descending return xs:string($a)", null);
        assertNotNull(seq);
        assertEquals(5, seq.getItemCount());
        assertEquals("AAA on b2", seq.itemAt(0).getStringValue());
        assertEquals("AAA on c1", seq.itemAt(1).getStringValue());
        assertEquals("AAA on b3", seq.itemAt(2).getStringValue());
        assertEquals("AAA on b1", seq.itemAt(3).getStringValue());
        assertEquals("AAA on c2", seq.itemAt(4).getStringValue());
        // path: /a/b
        seq = xquery.execute(broker, "for $a in ft:query(/a/b, 'AAA') order by ft:score($a) descending return xs:string($a)", null);
        assertNotNull(seq);
        assertEquals(2, seq.getItemCount());
        assertEquals("AAA on b2", seq.itemAt(0).getStringValue());
        assertEquals("AAA on b1", seq.itemAt(1).getStringValue());
        seq = xquery.execute(broker, "for $a in ft:query(//@att, 'att') order by ft:score($a) descending return xs:string($a)", null);
        assertNotNull(seq);
        assertEquals(4, seq.getItemCount());
        assertEquals("att on b2", seq.itemAt(0).getStringValue());
        assertEquals("att on b3", seq.itemAt(1).getStringValue());
        assertEquals("att on b1", seq.itemAt(2).getStringValue());
        assertEquals("att on c1", seq.itemAt(3).getStringValue());
        // modify with xupdate and check if boosts are updated accordingly
        final XUpdateProcessor proc = new XUpdateProcessor(broker, docs);
        assertNotNull(proc);
        proc.setBroker(broker);
        proc.setDocumentSet(docs);
        // remove 'att' attribute from first c element: it gets no boost
        // also append an 'att' attribute on second c element which will
        // make the two switch order in the result sequence.
        String xupdate = XUPDATE_START + "   <xu:remove select=\"//c[1]/@att\"/>" + "   <xu:append select=\"//c[2]\"><xu:attribute name=\"att\">att on c2</xu:attribute></xu:append>" + XUPDATE_END;
        final Modification[] modifications = proc.parse(new InputSource(new StringReader(xupdate)));
        assertNotNull(modifications);
        modifications[0].process(transaction);
        modifications[1].process(transaction);
        proc.reset();
        transact.commit(transaction);
        seq = xquery.execute(broker, "for $a in ft:query((//b|//c), 'AAA') order by ft:score($a) descending return xs:string($a)", null);
        assertNotNull(seq);
        assertEquals(5, seq.getItemCount());
        assertEquals("AAA on b2", seq.itemAt(0).getStringValue());
        assertEquals("AAA on c2", seq.itemAt(1).getStringValue());
        assertEquals("AAA on b3", seq.itemAt(2).getStringValue());
        assertEquals("AAA on b1", seq.itemAt(3).getStringValue());
        assertEquals("AAA on c1", seq.itemAt(4).getStringValue());
    }
}

Example 83 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class LuceneMatchListenerTest method startDB.

@BeforeClass
public static void startDB() throws DatabaseConfigurationException, EXistException, PermissionDeniedException, IOException, TriggerException {
    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 Collection root = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI);
        assertNotNull(root);
        broker.saveCollection(transaction, root);
        transact.commit(transaction);
    }
    final Map<String, String> m = new HashMap<>();
    m.put(Namespaces.EXIST_NS_PREFIX, Namespaces.EXIST_NS);
    final NamespaceContext ctx = new SimpleNamespaceContext(m);
    XMLUnit.setXpathNamespaceContext(ctx);
}

Example 84 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class ExistDocument method unlock.

/**
 * Unlock document in database.
 */
void unlock() throws PermissionDeniedException, DocumentNotLockedException, EXistException {
    if (LOG.isDebugEnabled()) {
        LOG.debug("unlock {}", xmldbUri);
    }
    final TransactionManager txnManager = brokerPool.getTransactionManager();
    // Try to get document
    try (final DBBroker broker = brokerPool.get(Optional.ofNullable(subject));
        final Txn txn = txnManager.beginTransaction();
        final LockedDocument lockedDocument = broker.getXMLResource(xmldbUri, LockMode.WRITE_LOCK)) {
        final DocumentImpl document = lockedDocument.getDocument();
        if (document == null) {
            final String msg = String.format("No resource found for path: %s", xmldbUri);
            LOG.debug(msg);
            throw new EXistException(msg);
        }
        // Get current userlock
        Account lock = document.getUserLock();
        // Check if Resource is already locked.
        if (lock == null) {
            LOG.debug("Resource {} is not locked.", xmldbUri);
            throw new DocumentNotLockedException("" + xmldbUri);
        }
        // Check if Resource is from subject
        if (!lock.getName().equals(subject.getName()) && !subject.hasDbaRole()) {
            LOG.debug("Resource lock is from user {}", lock.getName());
            throw new PermissionDeniedException(lock.getName());
        }
        // Update document
        document.setUserLock(null);
        document.setLockToken(null);
        // Make it persistant
        broker.storeMetadata(txn, document);
        txnManager.commit(txn);
    } catch (EXistException | PermissionDeniedException e) {
        LOG.error(e);
        throw e;
    } catch (TriggerException e) {
        LOG.error(e);
        throw new EXistException(e);
    } finally {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Finished create lock");
        }
    }
}

Example 85 with Txn

use of org.exist.storage.txn.Txn in project exist by eXist-db.

the class ExistDocument method delete.

/**
 * Remove document from database.
 */
void delete() {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Deleting {}", xmldbUri);
    }
    // Need to split path into collection and document name
    final XmldbURI collName = xmldbUri.removeLastSegment();
    final XmldbURI docName = xmldbUri.lastSegment();
    final TransactionManager txnManager = brokerPool.getTransactionManager();
    try (final DBBroker broker = brokerPool.get(Optional.ofNullable(subject));
        final Txn txn = txnManager.beginTransaction();
        final Collection collection = broker.openCollection(collName, LockMode.WRITE_LOCK)) {
        // Open collection if possible, else abort
        if (collection == null) {
            LOG.debug("Collection does not exist");
            txnManager.abort(txn);
            return;
        }
        // Open document if possible, else abort
        try (final LockedDocument lockedResource = collection.getDocumentWithLock(broker, docName, LockMode.WRITE_LOCK)) {
            if (lockedResource == null) {
                LOG.debug("No resource found for path: {}", xmldbUri);
                txnManager.abort(txn);
                return;
            }
            final DocumentImpl resource = lockedResource.getDocument();
            if (resource.getResourceType() == DocumentImpl.BINARY_FILE) {
                collection.removeBinaryResource(txn, broker, resource.getFileURI());
            } else {
                collection.removeXMLResource(txn, broker, resource.getFileURI());
            }
            // NOTE: early release of Collection lock inline with Asymmetrical Locking scheme
            collection.close();
            // Commit change
            txnManager.commit(txn);
            if (LOG.isDebugEnabled()) {
                LOG.debug("Document deleted sucessfully");
            }
        }
    } catch (final LockException e) {
        LOG.error("Resource is locked.", e);
    } catch (final EXistException | IOException | TriggerException | PermissionDeniedException e) {
        LOG.error(e);
    } finally {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Finished delete");
        }
    }
}