Examples with StreamListener org.exist.indexing.StreamListener used on opensource projects

Example 16 with StreamListener

use of org.exist.indexing.StreamListener in project exist by eXist-db.

the class ElementImpl method removeAppendAttributes.

public void removeAppendAttributes(final Txn transaction, final NodeList removeList, final NodeList appendList) {
    try (final DBBroker broker = ownerDocument.getBrokerPool().getBroker()) {
        final IndexController indexes = broker.getIndexController();
        if (removeList != null) {
            try {
                for (int i = 0; i < removeList.getLength(); i++) {
                    final Node oldChild = removeList.item(i);
                    if (!(oldChild instanceof IStoredNode)) {
                        throw new DOMException(DOMException.WRONG_DOCUMENT_ERR, "Wrong node type");
                    }
                    final IStoredNode<?> old = (IStoredNode<?>) oldChild;
                    if (!old.getNodeId().isChildOf(nodeId)) {
                        throw new DOMException(DOMException.NOT_FOUND_ERR, "node " + old.getNodeId().getParentId() + " is not a child of element " + nodeId);
                    }
                    final NodePath oldPath = old.getPath();
                    // remove old custom indexes
                    indexes.reindex(transaction, old, ReindexMode.REMOVE_SOME_NODES);
                    broker.removeNode(transaction, old, oldPath, null);
                    children--;
                    attributes--;
                }
            } finally {
                broker.endRemove(transaction);
            }
        }
        final NodePath path = getPath();
        indexes.setDocument(ownerDocument, ReindexMode.STORE);
        final IStoredNode reindexRoot = indexes.getReindexRoot(this, path, true, true);
        final StreamListener listener = reindexRoot == null ? indexes.getStreamListener() : null;
        if (children == 0) {
            appendChildren(transaction, nodeId.newChild(), null, new NodeImplRef(this), path, appendList, listener);
        } else {
            if (attributes == 0) {
                final IStoredNode<?> firstChild = (IStoredNode<?>) getFirstChild();
                final NodeId newNodeId = firstChild.getNodeId().insertBefore();
                appendChildren(transaction, newNodeId, firstChild.getNodeId(), new NodeImplRef(this), path, appendList, listener);
            } else {
                final AttribVisitor visitor = new AttribVisitor();
                accept(visitor);
                final NodeId firstChildId = visitor.firstChild == null ? null : visitor.firstChild.getNodeId();
                final NodeId newNodeId = visitor.lastAttrib.getNodeId().insertNode(firstChildId);
                appendChildren(transaction, newNodeId, firstChildId, new NodeImplRef(visitor.lastAttrib), path, appendList, listener);
            }
            setDirty(true);
        }
        attributes += appendList.getLength();
        broker.updateNode(transaction, this, true);
        broker.flush();
        indexes.reindex(transaction, reindexRoot, ReindexMode.STORE);
    } catch (final EXistException e) {
        LOG.warn("Exception while inserting node: {}", e.getMessage(), e);
    }
}