class FDB::DirectoryLayer

def initialize(options={})
  defaults = { :node_subspace => Subspace.new([], "\xfe"), 
               :content_subspace =>Subspace.new, 
               :allow_manual_prefixes => false }
  options = defaults.merge(options)
  @content_subspace = options[:content_subspace]
  @node_subspace = options[:node_subspace]
  @allow_manual_prefixes = options[:allow_manual_prefixes]
  @root_node = @node_subspace[@node_subspace.key]
  @allocator = HighContentionAllocator.new(@root_node['hca'])
  @path = []
  @layer = ''
end