Sha256: 68a415efb0cd4746241eadd610360bf844fd1cbab993ea63b04de59ed819c9a9
Contents?: true
Size: 1.34 KB
Versions: 21
Compression:
Stored size: 1.34 KB
Contents
# encoding: utf-8
module Mongoid # :nodoc:
module Relations #:nodoc:
# The reflections module provides convenience methods that can retrieve
# useful information about associations.
module Reflections
extend ActiveSupport::Concern
included do
delegate \
:reflect_on_association,
:reflect_on_all_associations, :to => "self.class"
end
module ClassMethods #:nodoc
# Returns the relation metadata for the supplied name.
#
# @example Find relation metadata by name.
# Person.reflect_on_association(:addresses)
#
# @param [ String, Symbol ] name The name of the relation to find.
#
# @return [ Metadata ] The matching relation metadata.
def reflect_on_association(name)
relations[name.to_s]
end
# Returns all relation metadata for the supplied macros.
#
# @example Find multiple relation metadata by macro.
# Person.reflect_on_all_associations(:embeds_many)
#
# @param [ Array<String, Symbol> ] *macros The relation macros.
#
# @return [ Array<Metadata> ] The matching relation metadata.
def reflect_on_all_associations(*macros)
relations.values.select { |meta| macros.include?(meta.macro) }
end
end
end
end
end
Version data entries
21 entries across 21 versions & 3 rubygems