Class: ActiveFedora::Associations::Builder::DirectlyContainsOne

Inherits:
SingularAssociation show all
Defined in:
lib/active_fedora/associations/builder/directly_contains_one.rb

Overview

:nodoc:

Instance Attribute Summary

Attributes inherited from Association

#mixin, #model, #name, #options

Instance Method Summary collapse

Methods inherited from SingularAssociation

constructable?, define_accessors, define_constructors

Methods inherited from Association

build, #build, #configure_dependency, define_accessors, define_callbacks, define_readers, define_writers, #initialize, #predicate, #translate_property_to_predicate

Constructor Details

This class inherits a constructor from ActiveFedora::Associations::Builder::Association

Instance Method Details

#validate_options ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/active_fedora/associations/builder/directly_contains_one.rb', line 7

def validate_options
  raise ArgumentError, "you must specify a :through option on #{name}.  #{name} will use the container from that directly_contains association." if !options[:through]
  if options[:through]
    inherit_options_from_association(options[:through])
  end
  super

  if options[:class_name] == "ActiveFedora::File"
    raise ArgumentError, "You cannot set :class_name of #{name} to ActiveFedora::File because directly_contains_one needs to assert and read RDF.type assertions, which is not supported by ActiveFedora::File.  To make Files support RDF.type assertions, define a subclass of ActiveFedora::File and make it `include ActiveFedora::WithMetadata`. Otherwise, all subclasses of ActiveFedora::Base support RDF.type assertions."
  elsif !options[:has_member_relation] && !options[:is_member_of_relation]
    raise ArgumentError, "You must specify a :has_member_relation or :is_member_of_relation predicate for #{name}"
  elsif !options[:has_member_relation].kind_of?(RDF::URI) && !options[:is_member_of_relation].kind_of?(RDF::URI)
    raise ArgumentError, "Predicate must be a kind of RDF::URI"
  end

  if !options[:type].kind_of?(RDF::URI)
    raise ArgumentError, "You must specify a Type and it must be a kind of RDF::URI"
  end
end