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Contents
# encoding: utf-8
module Mongoid #:nodoc:
module Associations #:nodoc:
class BelongsTo #:nodoc:
include Proxy
attr_reader :document, :options
# Creates the new association by setting the internal
# document as the passed in Document. This should be the
# parent.
#
# All method calls on this object will then be delegated
# to the internal document itself.
#
# Options:
#
# document: The parent +Document+
# options: The association options
def initialize(document, options)
@document, @options = document, options
end
# Returns the parent document. The id param is present for
# compatibility with rails, however this could be overwritten
# in the future.
def find(id)
@document
end
# Delegate all missing methods over to the parent +Document+.
def method_missing(name, *args, &block)
@document.send(name, *args, &block)
end
class << self
# Creates the new association by setting the internal
# document as the passed in Document. This should be the
# parent.
#
# Options:
#
# document: The parent +Document+
# options: The association options
def instantiate(document, options)
parent = document._parent
parent.nil? ? nil : new(parent, options)
end
# Returns the macro used to create the association.
def macro
:belongs_to
end
# Perform an update of the relationship of the parent and child. This
# is initialized by setting a parent object as the association on the
# +Document+. Will properly set a has_one or a has_many.
def update(parent, child, options)
child.parentize(parent, options.inverse_of)
child.notify
parent
end
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems