private synchronized void moveTo(final ExplorerTreeNode node,
                                     final ExplorerTreeNode parent,
                                     final int position) {
        move(node, parent, position, null);
    }
Get the root node containing a particular node, or the node itself if it is a root node.
stroom-explorer/stroom-explorer-impl-db/src/main/java/stroom/explorer/impl/db/ExplorerTreeDaoImpl.java