diff options
Diffstat (limited to 'activerecord/lib')
-rwxr-xr-x | activerecord/lib/active_record/associations.rb | 7 | ||||
-rw-r--r-- | activerecord/lib/active_record/associations/association_proxy.rb | 14 |
2 files changed, 20 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations.rb b/activerecord/lib/active_record/associations.rb index ad28407e57..e1a0289039 100755 --- a/activerecord/lib/active_record/associations.rb +++ b/activerecord/lib/active_record/associations.rb @@ -232,6 +232,13 @@ module ActiveRecord # has_many :people, :extend => [FindOrCreateByNameExtension, FindRecentExtension] # end # + # Some extensions can only be made to work with knowledge of the association proxy's internals. + # Extensions can access relevant state using accessors on the association proxy: + # + # * +proxy_owner+ - Returns the object the association is part of. + # * +proxy_reflection+ - Returns the reflection object that describes the association. + # * +proxy_target+ - Returns the associated object for belongs_to and has_one, or the collection of associated objects for has_many and has_and_belongs_to_many. + # # === Association Join Models # # Has Many associations can be configured with the :through option to use an explicit join model to retrieve the data. This diff --git a/activerecord/lib/active_record/associations/association_proxy.rb b/activerecord/lib/active_record/associations/association_proxy.rb index adf7ad6ac6..ce0e154644 100644 --- a/activerecord/lib/active_record/associations/association_proxy.rb +++ b/activerecord/lib/active_record/associations/association_proxy.rb @@ -4,7 +4,7 @@ module ActiveRecord attr_reader :reflection alias_method :proxy_respond_to?, :respond_to? alias_method :proxy_extend, :extend - instance_methods.each { |m| undef_method m unless m =~ /(^__|^nil\?|^proxy_respond_to\?|^proxy_extend|^send)/ } + instance_methods.each { |m| undef_method m unless m =~ /(^__|^nil\?$|^send$|proxy_)/ } def initialize(owner, reflection) @owner, @reflection = owner, reflection @@ -12,6 +12,18 @@ module ActiveRecord reset end + def proxy_owner + @owner + end + + def proxy_reflection + @reflection + end + + def proxy_target + @target + end + def respond_to?(symbol, include_priv = false) proxy_respond_to?(symbol, include_priv) || (load_target && @target.respond_to?(symbol, include_priv)) end |