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Contents
# encoding: utf-8
require "mongoid/matchers/default"
require "mongoid/matchers/all"
require "mongoid/matchers/exists"
require "mongoid/matchers/gt"
require "mongoid/matchers/gte"
require "mongoid/matchers/in"
require "mongoid/matchers/lt"
require "mongoid/matchers/lte"
require "mongoid/matchers/ne"
require "mongoid/matchers/nin"
require "mongoid/matchers/size"
module Mongoid #:nodoc:
# This module contains all the behavior for ruby implementations of MongoDB
# selectors.
module Matchers
# Determines if this document has the attributes to match the supplied
# MongoDB selector. Used for matching on embedded associations.
#
# @example Does the document match?
# document.matches?(:title => { "$in" => [ "test" ] })
#
# @param [ Hash ] selector The MongoDB selector.
#
# @return [ true, false ] True if matches, false if not.
def matches?(selector)
selector.each_pair do |key, value|
return false unless matcher(key, value).matches?(value)
end; true
end
protected
# Get the matcher for the supplied key and value. Will determine the class
# name from the key.
#
# @example Get the matcher.
# document.matcher(:title, { "$in" => [ "test" ] })
#
# @param [ Symbol, String ] key The field name.
# @param [ Object, Hash ] The value or selector.
#
# @return [ Matcher ] The matcher.
def matcher(key, value)
if value.is_a?(Hash)
name = "Mongoid::Matchers::#{value.keys.first.gsub("$", "").camelize}"
return name.constantize.new(attributes[key])
end
Default.new(attributes[key])
end
end
end
Version data entries
7 entries across 7 versions & 2 rubygems