Contents

module CassandraObject
  module Consistency
    extend ActiveSupport::Concern

    included do
      class_attribute :write_consistency
      class_attribute :read_consistency
    end

    module ClassMethods
      THRIFT_LEVELS = {
        :one    => Cassandra::Consistency::ONE,
        :quorum => Cassandra::Consistency::QUORUM,
        :local_quorum => Cassandra::Consistency::LOCAL_QUORUM,
        :all    => Cassandra::Consistency::ALL
      }
      
      DEFAULT_OPTIONS = {
        :read_default => :quorum,
        :write_default => :quorum,
      }

      @@default_read_consistency
      @@default_write_consistency
      def set_default_consistencies(config)
        config = (config[:consistency] || {}).reverse_merge(DEFAULT_OPTIONS)
        @@default_read_consistency = config[:read_default].to_sym
        @@default_write_consistency = config[:write_default].to_sym
      end

      def thrift_read_consistency
        consistency = read_consistency || @@default_read_consistency
        THRIFT_LEVELS[consistency] || (raise "Invalid consistency level #{consistency}")
      end

      def thrift_write_consistency
        consistency = write_consistency || @@default_write_consistency
        THRIFT_LEVELS[consistency] || (raise "Invalid consistency level #{consistency}")
      end
    end
  end
end

Version data entries

7 entries across 7 versions & 1 rubygems

Version	Path
sessionm-cassandra_object-2.3.6	lib/cassandra_object/consistency.rb
sessionm-cassandra_object-2.3.5	lib/cassandra_object/consistency.rb
sessionm-cassandra_object-2.3.4	lib/cassandra_object/consistency.rb
sessionm-cassandra_object-2.3.3	lib/cassandra_object/consistency.rb
sessionm-cassandra_object-2.3.2	lib/cassandra_object/consistency.rb
sessionm-cassandra_object-2.3.1	lib/cassandra_object/consistency.rb
sessionm-cassandra_object-2.3.0	lib/cassandra_object/consistency.rb