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

Example 26 with TransactionManager

use of org.exist.storage.txn.TransactionManager 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 27 with TransactionManager

use of org.exist.storage.txn.TransactionManager 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");
        }
    }
}

Example 28 with TransactionManager

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

the class ExistCollection method createCollection.

public XmldbURI createCollection(String name) throws PermissionDeniedException, CollectionExistsException, EXistException {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Create  '{}' in '{}'", name, xmldbUri);
    }
    XmldbURI newCollection = xmldbUri.append(name);
    final TransactionManager txnManager = brokerPool.getTransactionManager();
    try (final DBBroker broker = brokerPool.get(Optional.ofNullable(subject));
        final Txn txn = txnManager.beginTransaction();
        final Collection collection = broker.openCollection(newCollection, LockMode.WRITE_LOCK)) {
        if (collection != null) {
            final String msg = "Collection already exists";
            LOG.debug(msg);
            // XXX: double "abort" is bad thing!!!
            txnManager.abort(txn);
            throw new CollectionExistsException(msg);
        }
        // Create collection
        try (final Collection created = broker.getOrCreateCollection(txn, newCollection)) {
            broker.saveCollection(txn, created);
            broker.flush();
            // Commit change
            txnManager.commit(txn);
            if (LOG.isDebugEnabled()) {
                LOG.debug("Collection created sucessfully");
            }
        }
    } catch (EXistException | PermissionDeniedException e) {
        LOG.error(e);
        throw e;
    } catch (Throwable e) {
        LOG.error(e);
        throw new EXistException(e);
    } finally {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Finished creation");
        }
    }
    return newCollection;
}

Example 29 with TransactionManager

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

the class ExistCollection method delete.

/*
     * Delete document or collection.
     */
void delete() {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Deleting '{}'", xmldbUri);
    }
    final TransactionManager txnManager = brokerPool.getTransactionManager();
    try (final DBBroker broker = brokerPool.get(Optional.ofNullable(subject));
        final Txn txn = txnManager.beginTransaction();
        final Collection collection = broker.openCollection(xmldbUri, LockMode.WRITE_LOCK)) {
        // Open collection if possible, else abort
        if (collection == null) {
            txnManager.abort(txn);
            return;
        }
        // Remove collection
        broker.removeCollection(txn, collection);
        // Commit change
        txnManager.commit(txn);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Document deleted sucessfully");
        }
    } catch (EXistException | IOException | PermissionDeniedException | TriggerException e) {
        LOG.error(e);
    } finally {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Finished delete");
        }
    }
}

Example 30 with TransactionManager

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

the class RecoveryTest2 method store.

@Test
public void store() throws DatabaseConfigurationException, EXistException, PermissionDeniedException, IOException, SAXException, BTreeException, LockException {
    BrokerPool.FORCE_CORRUPTION = true;
    final BrokerPool pool = startDb();
    final TransactionManager transact = pool.getTransactionManager();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = transact.beginTransaction()) {
        Collection root = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI);
        assertNotNull(root);
        broker.saveCollection(transaction, root);
        Collection test2 = broker.getOrCreateCollection(transaction, TestConstants.TEST_COLLECTION_URI2);
        assertNotNull(test2);
        broker.saveCollection(transaction, test2);
        DOMFile domDb = ((NativeBroker) broker).getDOMFile();
        assertNotNull(domDb);
        try (final Writer writer = new StringWriter()) {
            domDb.dump(writer);
        }
        // store some documents. Will be replaced below
        final Path dir = Paths.get(xmlDir);
        final List<Path> docs = FileUtils.list(dir);
        for (final Path f : docs) {
            broker.storeDocument(transaction, XmldbURI.create(FileUtils.fileName(f)), new InputSource(f.toUri().toASCIIString()), MimeType.XML_TYPE, test2);
        }
        transact.commit(transaction);
    }
}