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# encoding: UTF-8
module MongoMapper
module Plugins
module EmbeddedDocument
extend ActiveSupport::Concern
included do
attr_accessor :_parent_document
end
module ClassMethods
def embeddable?
true
end
def embedded_in(owner_name)
alias_method owner_name, :_parent_document
end
end
def new?
_root_document.try(:new?) || @_new
end
def destroyed?
!!_root_document.try(:destroyed?)
end
def save(options={})
_root_document.try(:save, options).tap do |result|
persist(options) if result
end
end
def save!(options={})
valid? || raise(DocumentNotValid.new(self))
_root_document.try(:save!, options).tap do |result|
persist(options) if result
end
end
def persist(options={})
@_new = false
clear_changes if respond_to?(:clear_changes)
save_to_collection(options)
end
def _root_document
@_root_document ||= _parent_document.try(:_root_document)
end
end
end
end
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