Sha256: 16d293bddb7032a59022afa003890d0885512da9e4056f196356b5c616f51039
Contents?: true
Size: 1.19 KB
Versions: 13
Compression:
Stored size: 1.19 KB
Contents
# encoding: utf-8
module Mongoid #:nodoc
# This module contains behaviour for adding shard key fields to updates.
module Sharding
extend ActiveSupport::Concern
included do
cattr_accessor :shard_key_fields
self.shard_key_fields = []
delegate :shard_key_fields, :to => "self.class"
end
# Get the document selector with the defined shard keys.
#
# @example Get the selector for the shard keys.
# person.shard_key_selector
#
# @return [ Hash ] The shard key selector.
#
# @since 2.0.0
def shard_key_selector
{}.tap do |selector|
shard_key_fields.each do |field|
selector[field.to_s] = send(field)
end
end
end
module ClassMethods #:nodoc
# Specifies a shard key with the field(s) specified.
#
# @example Specify the shard key.
#
# class Person
# include Mongoid::Document
# field :first_name, :type => String
# field :last_name, :type => String
#
# shard_key :first_name, :last_name
# end
#
# @since 2.0.0
def shard_key(*names)
self.shard_key_fields = names
end
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems