Contents

# -*- coding: utf-8 -*-
module ActiveRecord::Turntable::Algorithm
  class ModuloAlgorithm < Base
    def choose(shard_maps, key)
      shard_maps[key % shard_maps.size].shard
    rescue
      raise ActiveRecord::Turntable::CannotSpecifyShardError, "cannot specify shard for key:#{key.inspect}"
    end
  end
end

Version data entries

6 entries across 6 versions & 1 rubygems

Version	Path
activerecord-turntable-4.4.1	lib/active_record/turntable/algorithm/modulo_algorithm.rb
activerecord-turntable-4.4.0	lib/active_record/turntable/algorithm/modulo_algorithm.rb
activerecord-turntable-4.3.0	lib/active_record/turntable/algorithm/modulo_algorithm.rb
activerecord-turntable-4.2.0	lib/active_record/turntable/algorithm/modulo_algorithm.rb
activerecord-turntable-4.1.0	lib/active_record/turntable/algorithm/modulo_algorithm.rb
activerecord-turntable-4.0.0	lib/active_record/turntable/algorithm/modulo_algorithm.rb