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Contents
# encoding: utf-8
require "mongoid/relations/eager/base"
require "mongoid/relations/eager/belongs_to"
require "mongoid/relations/eager/has_one"
require "mongoid/relations/eager/has_many"
require "mongoid/relations/eager/has_and_belongs_to_many"
module Mongoid
module Relations
module Eager
attr_accessor :eager_loaded
def with_eager_loading(document)
return nil unless document
doc = Factory.from_db(klass, document, criteria.options[:fields])
eager_load_one(doc)
doc
end
def eager_load_one(doc)
eager_load([doc])
end
def eager_loadable?(document = nil)
return false if criteria.inclusions.empty?
!eager_loaded
end
def eager_load(docs)
return false unless eager_loadable?
preload(criteria.inclusions, docs)
self.eager_loaded = true
end
def preload(relations, docs)
relations.group_by do |metadata|
metadata.relation
end.each do |relation, associations|
relation.eager_load_klass.new(associations, docs).run
end
end
end
end
end
Version data entries
16 entries across 14 versions & 3 rubygems