diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_mutation_tracker.rb')
-rw-r--r-- | activerecord/lib/active_record/attribute_mutation_tracker.rb | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/activerecord/lib/active_record/attribute_mutation_tracker.rb b/activerecord/lib/active_record/attribute_mutation_tracker.rb deleted file mode 100644 index 4de993e169..0000000000 --- a/activerecord/lib/active_record/attribute_mutation_tracker.rb +++ /dev/null @@ -1,113 +0,0 @@ -module ActiveRecord - class AttributeMutationTracker # :nodoc: - OPTION_NOT_GIVEN = Object.new - - def initialize(attributes) - @attributes = attributes - @forced_changes = Set.new - @deprecated_forced_changes = Set.new - end - - def changed_values - attr_names.each_with_object({}.with_indifferent_access) do |attr_name, result| - if changed?(attr_name) - result[attr_name] = attributes[attr_name].original_value - end - end - end - - def changes - attr_names.each_with_object({}.with_indifferent_access) do |attr_name, result| - change = change_to_attribute(attr_name) - if change - result[attr_name] = change - end - end - end - - def change_to_attribute(attr_name) - if changed?(attr_name) - [attributes[attr_name].original_value, attributes.fetch_value(attr_name)] - end - end - - def any_changes? - attr_names.any? { |attr| changed?(attr) } || deprecated_forced_changes.any? - end - - def changed?(attr_name, from: OPTION_NOT_GIVEN, to: OPTION_NOT_GIVEN) - attr_name = attr_name.to_s - forced_changes.include?(attr_name) || - attributes[attr_name].changed? && - (OPTION_NOT_GIVEN == from || attributes[attr_name].original_value == from) && - (OPTION_NOT_GIVEN == to || attributes[attr_name].value == to) - end - - def changed_in_place?(attr_name) - attributes[attr_name].changed_in_place? - end - - def forget_change(attr_name) - attr_name = attr_name.to_s - attributes[attr_name] = attributes[attr_name].forgetting_assignment - forced_changes.delete(attr_name) - end - - def original_value(attr_name) - attributes[attr_name].original_value - end - - def force_change(attr_name) - forced_changes << attr_name.to_s - end - - def deprecated_force_change(attr_name) - deprecated_forced_changes << attr_name.to_s - end - - # TODO Change this to private once we've dropped Ruby 2.2 support. - # Workaround for Ruby 2.2 "private attribute?" warning. - protected - - attr_reader :attributes, :forced_changes, :deprecated_forced_changes - - private - - def attr_names - attributes.keys - end - end - - class NullMutationTracker # :nodoc: - include Singleton - - def changed_values(*) - {} - end - - def changes(*) - {} - end - - def change_to_attribute(attr_name) - end - - def any_changes?(*) - false - end - - def changed?(*) - false - end - - def changed_in_place?(*) - false - end - - def forget_change(*) - end - - def original_value(*) - end - end -end |