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Contents
# encoding: utf-8
module Mongoid #:nodoc:
# Adds support for caching queries at the class level.
module Extras
extend ActiveSupport::Concern
included do
class_attribute :cached
self.cached = false
end
# Is the class cached?
#
# @note Refactored from using delegate for class load performance.
#
# @example Is the class cached?
# person.cached?
#
# @return [ true, false ] If the class is cached.
def cached?
self.class.cached?
end
module ClassMethods #:nodoc
# Sets caching on for this class. This class level configuration will
# default all queries to cache the results of the first iteration over
# the cursor into an internal array. This should only be used for queries
# that return a small number of results or have small documents, as after
# the first iteration the entire results will be stored in memory.
#
# @example Cache all reads for the class.
# class Person
# include Mongoid::Document
# cache
# end
def cache
self.cached = true
end
# Determines if the class is cached or not.
#
# @example Are class reads cached?
# Document.cached?
#
# @return [ true, false ] If the reads are cached.
def cached?
!!self.cached
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems