module ActiveFedora::Reflection::ClassMethods
def _reflect_on_association(association)
Invoice._reflect_on_association(:line_items).macro # returns :has_many
Account._reflect_on_association(:owner) # returns the owner AssociationReflection
Returns the AssociationReflection object for the +association+ (use the symbol).
def _reflect_on_association(association) val = reflections[association].is_a?(AssociationReflection) ? reflections[association] : nil unless val # When a has_many is paired with a has_and_belongs_to_many the assocation will have a plural name association = association.to_s.pluralize.to_sym val = reflections[association].is_a?(AssociationReflection) ? reflections[association] : nil end val end
def child_resource_reflections
def child_resource_reflections reflect_on_all_associations(:has_subresource).select { |_, reflection| reflection.klass <= ActiveFedora::File } end
def clear_reflections_cache # :nodoc:
def clear_reflections_cache # :nodoc: @__reflections = nil end
def contained_rdf_source_reflections
def contained_rdf_source_reflections reflect_on_all_associations(:has_subresource).select { |_, reflection| !(reflection.klass <= ActiveFedora::File) } end
def outgoing_reflections
def outgoing_reflections reflections.select { |_, reflection| reflection.is_a? RDFPropertyReflection } end
def reflect_on_all_associations(macro = nil)
Account.reflect_on_all_associations(:has_many) # returns an array of all has_many associations
Account.reflect_on_all_associations # returns an array of all associations
Example:
:belongs_to) as the first parameter.
association type, pass in the symbol (:has_many, :has_one,
associations in the class. If you only want to reflect on a certain
Returns an array of AssociationReflection objects for all the
def reflect_on_all_associations(macro = nil) association_reflections = reflections.dup association_reflections.select! { |_k, reflection| reflection.macro == macro } if macro association_reflections end
def reflect_on_all_autosave_associations
def reflect_on_all_autosave_associations reflections.values.select { |reflection| reflection.options[:autosave] } end
def reflect_on_association(association)
Invoice.reflect_on_association(:line_items).macro # returns :has_many
Account.reflect_on_association(:owner) # returns the owner AssociationReflection
Returns the AssociationReflection object for the +association+ (use the symbol).
def reflect_on_association(association) _reflect_on_association(association) end
def reflections
Account.reflections
Invoice.reflections
Example:
Returns a hash containing all AssociationReflection objects for the current class.
def reflections @__reflections ||= begin ref = {} _reflections.each do |name, reflection| parent_reflection = reflection.parent_reflection if parent_reflection parent_name = parent_reflection.name ref[parent_name.to_s] = parent_reflection else ref[name] = reflection end end ref end end