Contents

require 'deprecation'

module ActiveTriples
  ##
  # Module to include configurable class-wide properties common to
  # Resource and RDFDatastream. It does its work at the class level,
  # and is meant to be extended.
  #
  # Define properties at the class level with:
  #
  #    configure base_uri: "http://oregondigital.org/resource/", repository: :parent
  # Available properties are base_uri, rdf_label, type, and repository
  module Configurable
    extend Deprecation

    def base_uri
      nil
    end

    def rdf_label
      nil
    end

    def type
      nil
    end

    def rdf_type(value)
      Deprecation.warn Configurable, "rdf_type is deprecated and will be removed in active-fedora 8.0.0. Use configure type: instead.", caller
      configure type: value
    end

    def repository
      :parent
    end

    # API method for configuring class properties an RDF Resource may need.
    # This is an alternative to overriding the methods extended with this module.
    def configure(options = {})
      {
        base_uri: options[:base_uri],
        rdf_label: options[:rdf_label],
        type: options[:type],
        repository: options[:repository]
      }.each do |name, value|
        if value
          value = self.send("transform_#{name}", value) if self.respond_to?("transform_#{name}")
          define_singleton_method(name) do
            value
          end
        end
      end
    end

    def transform_type(value)
      RDF::URI.new(value).tap do |value|
        Resource.type_registry[value] = self
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
active-triples-0.1.0	lib/active_triples/configurable.rb
active-triples-0.0.1	lib/active_triples/configurable.rb