Builds the document out of the attributes using the provided metadata on the relation. Instantiates through the factory in order to make sure subclasses and allocation are used if fitting.
@example Build the document.
Builder.new(meta, attrs).build
@param [ String ] type Not used in this context.
@return [ Document ] A single document.
# File lib/mongoid/relations/builders/embedded/one.rb, line 17 def build(type = nil) return object unless object.is_a?(Hash) if _loading? && base.persisted? Factory.from_db(klass, object) else Factory.build(klass, object) end end