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Contents
module Mongoid #:nodoc:
module Associations #:nodoc:
class HasOne #:nodoc:
include Decorator
delegate :valid?, :to => :document
attr_accessor :klass
# Creates the new association by finding the attributes in
# the parent document with its name, and instantiating a
# new document for it.
#
# All method calls on this object will then be delegated
# to the internal document itself.
def initialize(document, options)
@klass = options.klass
attributes = document.attributes[options.name]
@document = klass.instantiate(attributes || {})
@document.parentize(document, options.name)
decorate!
end
class << self
# Perform an update of the relationship of the parent and child. This
# is initialized by setting the has_one to the supplied child.
def update(child, parent, options)
unless child.respond_to?(:parentize)
klass = options.klass
child = klass.new(child)
end
child.parentize(parent, options.name)
child.notify
child
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems