diff options
Diffstat (limited to 'activerecord/lib/active_record/reflection.rb')
-rw-r--r-- | activerecord/lib/active_record/reflection.rb | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/activerecord/lib/active_record/reflection.rb b/activerecord/lib/active_record/reflection.rb index 52968070cb..d4f4d593c6 100644 --- a/activerecord/lib/active_record/reflection.rb +++ b/activerecord/lib/active_record/reflection.rb @@ -7,7 +7,8 @@ module ActiveRecord extend ActiveSupport::Concern included do - class_attribute :reflections + extend ActiveModel::Configuration + config_attribute :reflections self.reflections = {} end @@ -22,11 +23,11 @@ module ActiveRecord module ClassMethods def create_reflection(macro, name, options, active_record) case macro - when :has_many, :belongs_to, :has_one, :has_and_belongs_to_many - klass = options[:through] ? ThroughReflection : AssociationReflection - reflection = klass.new(macro, name, options, active_record) - when :composed_of - reflection = AggregateReflection.new(macro, name, options, active_record) + when :has_many, :belongs_to, :has_one, :has_and_belongs_to_many + klass = options[:through] ? ThroughReflection : AssociationReflection + reflection = klass.new(macro, name, options, active_record) + when :composed_of + reflection = AggregateReflection.new(macro, name, options, active_record) end self.reflections = self.reflections.merge(name => reflection) @@ -43,7 +44,8 @@ module ActiveRecord # Account.reflect_on_aggregation(:balance) # => the balance AggregateReflection # def reflect_on_aggregation(aggregation) - reflections[aggregation].is_a?(AggregateReflection) ? reflections[aggregation] : nil + reflection = reflections[aggregation] + reflection if reflection.is_a?(AggregateReflection) end # Returns an array of AssociationReflection objects for all the @@ -67,7 +69,8 @@ module ActiveRecord # Invoice.reflect_on_association(:line_items).macro # returns :has_many # def reflect_on_association(association) - reflections[association].is_a?(AssociationReflection) ? reflections[association] : nil + reflection = reflections[association] + reflection if reflection.is_a?(AssociationReflection) end # Returns an array of AssociationReflection objects for all associations which have <tt>:autosave</tt> enabled. @@ -76,7 +79,6 @@ module ActiveRecord end end - # Abstract base class for AggregateReflection and AssociationReflection. Objects of # AggregateReflection and AssociationReflection are returned by the Reflection::ClassMethods. class MacroReflection @@ -174,7 +176,7 @@ module ActiveRecord def initialize(macro, name, options, active_record) super - @collection = macro.in?([:has_many, :has_and_belongs_to_many]) + @collection = [:has_many, :has_and_belongs_to_many].include?(macro) end # Returns a new, unsaved instance of the associated class. +options+ will @@ -228,8 +230,8 @@ module ActiveRecord end end - def columns(tbl_name, log_msg) - @columns ||= klass.connection.columns(tbl_name, log_msg) + def columns(tbl_name) + @columns ||= klass.connection.columns(tbl_name) end def reset_column_information @@ -262,6 +264,10 @@ module ActiveRecord [self] end + def nested? + false + end + # An array of arrays of conditions. Each item in the outside array corresponds to a reflection # in the #chain. The inside arrays are simply conditions (and each condition may itself be # a hash, array, arel predicate, etc...) @@ -447,7 +453,6 @@ module ActiveRecord # Recursively fill out the rest of the array from the through reflection conditions += through_conditions - # And return conditions end end @@ -457,7 +462,7 @@ module ActiveRecord source_reflection.source_macro end - # A through association is nested iff there would be more than one join table + # A through association is nested if there would be more than one join table def nested? chain.length > 2 || through_reflection.macro == :has_and_belongs_to_many end |