Contents

module Internals

  module Index

    class Redis

      class ListHash < Basic

        # Writes the hash into Redis.
        #
        # TODO Performance: rpush as you get the values instead of putting it together in an array first.
        #
        def dump hash
          hash.each_pair do |key, values|
            redis_key = "#{namespace}:#{key}"
            i = 0
            backend.multi do
              backend.del redis_key

              values.each do |value|
                i += 1
                backend.zadd redis_key, i, value
              end
            end
          end
        end

        # Get a collection.
        #
        def collection sym
          backend.lrange "#{namespace}:#{sym}", 0, -1
        end

        # Get a single value.
        #
        def member sym
          raise "Can't retrieve a single value from a Redis ListHash. Use Index::Redis::StringHash."
        end

      end

    end

  end

end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
picky-2.1.0	lib/picky/internals/index/redis/list_hash.rb
picky-2.0.0	lib/picky/internals/index/redis/list_hash.rb
picky-2.0.0.pre3	lib/picky/internals/index/redis/list_hash.rb