Contents

# You'd normally call this a set, but Redis already has another data type for that
class Kredis::Types::UniqueList < Kredis::Types::List
  def initialize(redis, key, limit: nil)
    @limit = limit
    super redis, key
  end

  def prepend(elements)
    multi do
      remove elements
      super
      ltrim 0, (@limit - 1) if @limit
    end if Array(elements).any?
  end

  def append(elements)
    multi do
      remove elements
      super
      ltrim (@limit - 1), -1 if @limit
    end if Array(elements).any?
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
kredis-0.1.2	lib/kredis/types/unique_list.rb
kredis-0.1.1	lib/kredis/types/unique_list.rb