Examples with NodeImpl org.exist.dom.memtree.NodeImpl used on opensource projects

Example 16 with NodeImpl

use of org.exist.dom.memtree.NodeImpl in project exist by eXist-db.

the class ValueSequence method getSelf.

@Override
public Sequence getSelf(final NodeTest test) throws XPathException {
    sortInDocumentOrder();
    final ValueSequence nodes = new ValueSequence(true);
    nodes.keepUnOrdered(keepUnOrdered);
    for (int i = 0; i <= size; i++) {
        final NodeImpl node = (NodeImpl) values[i];
        if ((test.getType() == Type.NODE && node.getNodeType() == Node.ATTRIBUTE_NODE) || test.matches(node)) {
            nodes.add(node);
        }
    }
    return nodes;
}

Example 17 with NodeImpl

use of org.exist.dom.memtree.NodeImpl in project exist by eXist-db.

the class Search method eval.

@Override
public Sequence eval(Sequence[] args, Sequence contextSequence) throws XPathException {
    NodeImpl report = null;
    try {
        // Only match documents that match these URLs
        List<String> toBeMatchedURIs = new ArrayList<>();
        Sequence pathSeq = getArgumentCount() > 1 ? args[0] : contextSequence;
        if (pathSeq == null)
            return Sequence.EMPTY_SEQUENCE;
        // Get first agument, these are the documents / collections to search in
        for (SequenceIterator i = pathSeq.iterate(); i.hasNext(); ) {
            String path;
            Item item = i.nextItem();
            if (Type.subTypeOf(item.getType(), Type.NODE)) {
                if (((NodeValue) item).isPersistentSet()) {
                    path = ((NodeProxy) item).getOwnerDocument().getURI().toString();
                } else {
                    path = item.getStringValue();
                }
            } else {
                path = item.getStringValue();
            }
            toBeMatchedURIs.add(path);
        }
        // Get second argument, this is the query
        String query;
        if (getArgumentCount() == 1)
            query = args[0].itemAt(0).getStringValue();
        else
            query = args[1].itemAt(0).getStringValue();
        String[] fields = null;
        if (getArgumentCount() == 3) {
            fields = new String[args[2].getItemCount()];
            int j = 0;
            for (SequenceIterator i = args[2].iterate(); i.hasNext(); ) {
                fields[j++] = i.nextItem().getStringValue();
            }
        }
        // Get the lucene worker
        LuceneIndexWorker index = (LuceneIndexWorker) context.getBroker().getIndexController().getWorkerByIndexId(LuceneIndex.ID);
        QueryOptions options = Query.parseOptions(this, contextSequence, null, 4);
        // Perform search
        report = index.search(context, toBeMatchedURIs, query, fields, options);
    } catch (IOException e) {
        throw new XPathException(this, e.getMessage(), e);
    } catch (XPathException ex) {
        // Log and rethrow
        logger.error(ex.getMessage(), ex);
        throw ex;
    }
    // Return list of matching files.
    return report;
}

Example 18 with NodeImpl

use of org.exist.dom.memtree.NodeImpl in project exist by eXist-db.

the class ArrayListValueSequence method getChildren.

@Override
public Sequence getChildren(final NodeTest test) throws XPathException {
    final ArrayListValueSequence nodes = new ArrayListValueSequence();
    for (final Item value : values) {
        final NodeImpl node = (NodeImpl) value;
        node.selectChildren(test, nodes);
    }
    return nodes;
}

Example 19 with NodeImpl

use of org.exist.dom.memtree.NodeImpl in project exist by eXist-db.

the class ArrayListValueSequence method toNodeSet.

@Override
public NodeSet toNodeSet() throws XPathException {
    if (isEmpty) {
        return NodeSet.EMPTY_SET;
    }
    // for this method to work, all items have to be nodes
    if (itemType != Type.ANY_TYPE && Type.subTypeOf(itemType, Type.NODE)) {
        final NodeSet set = new NewArrayNodeSet();
        for (int i = 0; i <= values.size(); i++) {
            NodeValue v = (NodeValue) values.get(i);
            if (v.getImplementationType() != NodeValue.PERSISTENT_NODE) {
                // found an in-memory document
                final DocumentImpl doc;
                if (v.getType() == Type.DOCUMENT) {
                    doc = (DocumentImpl) v;
                } else {
                    doc = ((NodeImpl) v).getOwnerDocument();
                }
                if (doc == null) {
                    continue;
                }
                // make this document persistent: doc.makePersistent()
                // returns a map of all root node ids mapped to the corresponding
                // persistent node. We scan the current sequence and replace all
                // in-memory nodes with their new persistent node objects.
                final DocumentImpl expandedDoc = doc.expandRefs(null);
                final org.exist.dom.persistent.DocumentImpl newDoc = expandedDoc.makePersistent();
                if (newDoc != null) {
                    NodeId rootId = newDoc.getBrokerPool().getNodeFactory().createInstance();
                    for (int j = i; j <= values.size(); j++) {
                        v = (NodeValue) values.get(j);
                        if (v.getImplementationType() != NodeValue.PERSISTENT_NODE) {
                            NodeImpl node = (NodeImpl) v;
                            final Document nodeOwnerDoc;
                            if (node.getNodeType() == Node.DOCUMENT_NODE) {
                                nodeOwnerDoc = (Document) node;
                            } else {
                                nodeOwnerDoc = node.getOwnerDocument();
                            }
                            if (nodeOwnerDoc == doc) {
                                if (node.getNodeType() == Node.ATTRIBUTE_NODE) {
                                    node = expandedDoc.getAttribute(node.getNodeNumber());
                                } else {
                                    node = expandedDoc.getNode(node.getNodeNumber());
                                }
                                NodeId nodeId = node.getNodeId();
                                if (nodeId == null) {
                                    throw new XPathException("Internal error: nodeId == null");
                                }
                                if (node.getNodeType() == Node.DOCUMENT_NODE) {
                                    nodeId = rootId;
                                } else {
                                    nodeId = rootId.append(nodeId);
                                }
                                final NodeProxy p = new NodeProxy(newDoc, nodeId, node.getNodeType());
                                // replace the node by the NodeProxy
                                values.set(j, p);
                                setHasChanged();
                            }
                        }
                    }
                    set.add((NodeProxy) values.get(i));
                }
            } else {
                set.add((NodeProxy) v);
            }
        }
        // }
        return set;
    } else {
        throw new XPathException("Type error: the sequence cannot be converted into" + " a node set. Item type is " + Type.getTypeName(itemType));
    }
}

Example 20 with NodeImpl

use of org.exist.dom.memtree.NodeImpl in project exist by eXist-db.

the class ArrayListValueSequence method getDescendantAttributes.

@Override
public Sequence getDescendantAttributes(final NodeTest test) throws XPathException {
    final ArrayListValueSequence nodes = new ArrayListValueSequence();
    for (final Item value : values) {
        final NodeImpl node = (NodeImpl) value;
        node.selectDescendantAttributes(test, nodes);
    }
    return nodes;
}