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

Example 11 with Txn

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

the class XQueryStartupTrigger method createAutostartCollection.

/**
 * Create autostart collection when not existent
 *
 * @param broker The exist-db broker
 */
private void createAutostartCollection(DBBroker broker) {
    LOG.info("Creating {}", AUTOSTART_COLLECTION);
    final TransactionManager txnManager = broker.getBrokerPool().getTransactionManager();
    try (final Txn txn = txnManager.beginTransaction()) {
        XmldbURI newCollection = XmldbURI.create(AUTOSTART_COLLECTION, true);
        // Create collection
        final Collection created = broker.getOrCreateCollection(txn, newCollection);
        // Set ownership and mode
        PermissionFactory.chown(broker, created, Optional.of(SecurityManager.SYSTEM), Optional.of(SecurityManager.DBA_GROUP));
        PermissionFactory.chmod(broker, created, Optional.of(Permission.DEFAULT_SYSTEM_SECURITY_COLLECTION_PERM), Optional.empty());
        broker.saveCollection(txn, created);
        broker.flush();
        // Commit change
        txnManager.commit(txn);
        if (LOG.isDebugEnabled()) {
            LOG.debug("Finished creation of collection");
        }
    } catch (Throwable ex) {
        LOG.error(ex);
    }
}

Example 12 with Txn

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

the class ElementImpl method setAttributeNode.

private Attr setAttributeNode(final Attr newAttr, final Function<QName, Attr> getFn) {
    final QName attrName = new QName(newAttr.getLocalName(), newAttr.getNamespaceURI(), newAttr.getPrefix(), ElementValue.ATTRIBUTE);
    final Attr existingAttr = getFn.apply(attrName);
    if (existingAttr != null) {
        if (existingAttr.equals(newAttr)) {
            return newAttr;
        }
        // update an existing attribute
        existingAttr.setValue(newAttr.getValue());
        try (final DBBroker broker = ownerDocument.getBrokerPool().getBroker();
            final Txn transaction = broker.getBrokerPool().getTransactionManager().beginTransaction()) {
            if (!(existingAttr instanceof IStoredNode)) {
                throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, "Wrong node type");
            }
            final IStoredNode<?> existing = (IStoredNode<?>) existingAttr;
            if (!existing.getNodeId().isChildOf(nodeId)) {
                throw new DOMException(DOMException.NOT_FOUND_ERR, "node " + existing.getNodeId().getParentId() + " is not a child of element " + nodeId);
            }
            // update old custom indexes
            final IndexController indexes = broker.getIndexController();
            indexes.reindex(transaction, existing, ReindexMode.STORE);
            broker.updateNode(transaction, existing, true);
            transaction.commit();
        } catch (final EXistException e) {
            LOG.error(e);
            throw new DOMException(DOMException.INVALID_ACCESS_ERR, e.getMessage());
        }
        return existingAttr;
    } else {
        try (final DBBroker broker = ownerDocument.getBrokerPool().getBroker()) {
            final AttrImpl attrib = new AttrImpl(attrName, newAttr.getValue(), broker.getBrokerPool().getSymbols());
            return (Attr) appendChild(attrib);
        } catch (final EXistException e) {
            LOG.error(e);
            throw new DOMException(DOMException.INVALID_ACCESS_ERR, e.getMessage());
        }
    }
}

Example 13 with Txn

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

the class ElementImpl method insertBefore.

@Override
public Node insertBefore(final Node newChild, final Node refChild) throws DOMException {
    if (refChild == null) {
        return appendChild(newChild);
    } else if (!(refChild instanceof IStoredNode)) {
        throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, "Wrong node type");
    }
    final org.exist.dom.NodeListImpl nl = new org.exist.dom.NodeListImpl();
    nl.add(newChild);
    final TransactionManager transact = ownerDocument.getBrokerPool().getTransactionManager();
    try (final DBBroker broker = ownerDocument.getBrokerPool().getBroker();
        final Txn transaction = transact.beginTransaction()) {
        insertBefore(transaction, nl, refChild);
        broker.storeXMLResource(transaction, getOwnerDocument());
        transact.commit(transaction);
        return refChild.getPreviousSibling();
    } catch (final TransactionException e) {
        throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, e.getMessage());
    } catch (final EXistException e) {
        LOG.warn("Exception while inserting node: {}", e.getMessage(), e);
    }
    return null;
}

Example 14 with Txn

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

the class ElementImpl method setAttribute.

private void setAttribute(final QName attrName, final String value, final Function<QName, Attr> getFn) {
    final Attr existingAttr = getFn.apply(attrName);
    if (existingAttr != null) {
        // update an existing attribute
        existingAttr.setValue(value);
        try (final DBBroker broker = ownerDocument.getBrokerPool().getBroker();
            final Txn transaction = broker.getBrokerPool().getTransactionManager().beginTransaction()) {
            if (!(existingAttr instanceof IStoredNode)) {
                throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, "Wrong node type");
            }
            final IStoredNode<?> existing = (IStoredNode<?>) existingAttr;
            if (!existing.getNodeId().isChildOf(nodeId)) {
                throw new DOMException(DOMException.NOT_FOUND_ERR, "node " + existing.getNodeId().getParentId() + " is not a child of element " + nodeId);
            }
            // update old custom indexes
            final IndexController indexes = broker.getIndexController();
            indexes.reindex(transaction, existing, ReindexMode.STORE);
            broker.updateNode(transaction, existing, true);
            transaction.commit();
        } catch (final EXistException e) {
            LOG.error(e);
            throw new DOMException(DOMException.INVALID_ACCESS_ERR, e.getMessage());
        }
    } else {
        try (final DBBroker broker = ownerDocument.getBrokerPool().getBroker()) {
            final AttrImpl attrib = new AttrImpl(attrName, value, broker.getBrokerPool().getSymbols());
            appendChild(attrib);
        } catch (final EXistException e) {
            LOG.error(e);
            throw new DOMException(DOMException.INVALID_ACCESS_ERR, e.getMessage());
        }
    }
}

Example 15 with Txn

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

the class ElementImpl method appendChild.

@Override
public Node appendChild(final Node newChild) throws DOMException {
    if (newChild.getNodeType() != Node.DOCUMENT_NODE && newChild.getOwnerDocument() != null && newChild.getOwnerDocument() != ownerDocument) {
        throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, "Owning document IDs do not match");
    }
    if (newChild == this) {
        throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "Cannot append an element to itself");
    }
    if (newChild.getNodeType() == DOCUMENT_NODE) {
        throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "A Document Node may not be appended to an element");
    }
    if (newChild.getNodeType() == DOCUMENT_TYPE_NODE) {
        throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "A Document Type Node may not be appended to an element");
    }
    if (newChild instanceof IStoredNode) {
        final NodeId newChildId = ((IStoredNode) newChild).getNodeId();
        if (newChildId != null && getNodeId().isDescendantOf(newChildId)) {
            throw new DOMException(DOMException.HIERARCHY_REQUEST_ERR, "The node to append is one of this node's ancestors");
        }
    }
    final TransactionManager transact = ownerDocument.getBrokerPool().getTransactionManager();
    final org.exist.dom.NodeListImpl nl = new org.exist.dom.NodeListImpl();
    nl.add(newChild);
    try (final DBBroker broker = ownerDocument.getBrokerPool().getBroker();
        final Txn transaction = transact.beginTransaction()) {
        appendChildren(transaction, nl, 0);
        broker.storeXMLResource(transaction, getOwnerDocument());
        // bugID 3419602
        transact.commit(transaction);
        return getLastChild();
    } catch (final Exception e) {
        throw new DOMException(DOMException.INVALID_STATE_ERR, e.getMessage());
    }
}