Contents

module Scram
  # Class representing a Holder of policies through other Holders
  # @note Implementing classes must implement #aggregates and #scram_compare_value
  module AggregateHolder
    include Holder

    # @return [Array] other holders to consider in Policy inclusion
    def aggregates
      raise NotImplementedError # should be implemented by subclass
    end

    # @return [Array] list of policies through aggregates
    def policies
      aggregate_policies = aggregates.map {|a| a.policies}.flatten.sort_by {|p| p.priority}.reverse
    end

    # @return [Object] a value to compare {AggregateHolder} in the database. For example, an ObjectID would be suitable.
    def scram_compare_value
      raise NotImplementedError
    end

  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
scram-0.1.4	lib/scram/concerns/aggregate_holder.rb
scram-0.1.3	lib/scram/concerns/aggregate_holder.rb
scram-0.1.2	lib/scram/concerns/aggregate_holder.rb
scram-0.1.1	lib/scram/concerns/aggregate_holder.rb
scram-0.1.0	lib/scram/concerns/aggregate_holder.rb