private ExplorerTreeNode mapRecord(final ExplorerNodeRecord record) {
        return new ExplorerTreeNode(
                record.getId(),
                record.getType(),
                record.getUuid(),
                record.getName(),
                NodeTagSerialiser.deserialise(record.getTags()));
    }
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