rufus-tokyo-extension.rb

# Monkey-patch to Rufus::Tokyo::Cabinet to work with some Array & Hash values
Rufus::Tokyo::Cabinet.class_eval do
  # list of [[count1, value2], [count1, value2], ...] is sorted by count*
  def append_list(key, object, sort = false, max_length = nil)
    list = get_object(key) || []
    list << object
    list.sort! {|a,b| b[0] <=> a[0] } if sort
    list.slice!(max_length..-1)       if max_length
    set_object(key, list)
    list
  end

  # list of [[count1, value2], [count1, value2], ...] is sorted by count*
  # assumes value* is unique
  def merge_hash(key, object, sort = true, max_length = nil)
    list = get_object(key) || []
    # find a match on value* and replace the count*
    found = list.find {|pair| (pair[1] == object[1] ? (pair[0] = object[0]; true) : false) }
    list << object if not found
    list.sort! {|a,b| b[0] <=> a[0] } if sort
    list.slice!(max_length..-1)       if max_length
    set_object(key, list)
    list
  end

  def set_object(key, object)
    self[key] = object && Marshal.dump(object)
  end

  def get_object(key)
    raw = self[key]
    raw && Marshal.load(raw)
  end

  def getint(key)
    self.addint(key, 0)
  end
end

# Re-enabling functionality - Didn't think the wrapper library is the
# right place to disable functionality provided in underlying library
Rufus::Tokyo::Tyrant.class_eval do
  def copy (target_path)
    lib.abs_copy(@db, target_path)
  end
end