Contents

require 'active_support/concern'

module Ripple
  module Document
    module Key
      extend ActiveSupport::Concern

      module ClassMethods
        # Defines the key to be derived from a property.
        # @param [String,Symbol] prop the property to derive the key from
        def key_on(prop)
          prop = prop.to_sym

          define_method(:key) { send(prop).to_s }
          define_method(:key=) { |v| send(:"#{prop}=", v) }
          define_method(:key_attr) { prop }
        end
      end

      module InstanceMethods
        # Reads the key for this Document.
        def key
          @key
        end

        # Sets the key for this Document.
        def key=(value)
          @key = value.to_s
        end

        def key_attr
          :key
        end
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
ripple-1.0.0.beta	lib/ripple/document/key.rb