class FDB::DirectoryLayer

def find(tr, path)
  node = Internal::Node.new(@root_node, [], path)
  path.each_with_index do |name, index|
    node = Internal::Node.new(node_with_prefix(tr[node.subspace[@@SUBDIRS][name]]), 
                              path[0..index], path)
    return node unless node.exists? and node.layer(tr) != 'partition'
  end
  node
end