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Contents
# encoding: utf-8
module Mongoid # :nodoc:
module Relations #:nodoc:
# This is the superclass for one to one relations and defines the common
# behaviour or those proxies.
class One < Proxy
# Will load the target into an array if the target had not already been
# loaded.
#
# @example Load the relation into memory.
# relation.load!
#
# @return [ One ] The relation.
#
# @since 2.0.0.rc.5
def load!(options = {})
tap do |relation|
unless relation.loaded?
relation.bind(options)
relation.loaded = true
end
end
end
# Substitutes the supplied target documents for the existing document
# in the relation.
#
# @example Substitute the new document.
# person.name.substitute(new_name)
#
# @param [ Document ] other A document to replace the target.
#
# @return [ Document, nil ] The relation or nil.
#
# @since 2.0.0.rc.1
def substitute(new_target, options = {})
old_target = target
tap do |relation|
relation.target = new_target
new_target ? bind(options) : (unbind(old_target, options) and return nil)
end
end
end
end
end
Version data entries
9 entries across 9 versions & 3 rubygems