Class: ActiveRecord::Turntable::Algorithm::ModuloAlgorithm

Inherits:
Base
  • Object
show all
Defined in:
lib/active_record/turntable/algorithm/modulo_algorithm.rb

Instance Method Summary collapse

Methods inherited from Base

#initialize, #shard_weights

Constructor Details

This class inherits a constructor from ActiveRecord::Turntable::Algorithm::Base

Instance Method Details

#choose(shard_maps, key) ⇒ Object 



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# File 'lib/active_record/turntable/algorithm/modulo_algorithm.rb', line 4

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