diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_methods/read.rb')
| -rw-r--r-- | activerecord/lib/active_record/attribute_methods/read.rb | 40 |
1 files changed, 21 insertions, 19 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb index 77bf9d0905..a83d944d1b 100644 --- a/activerecord/lib/active_record/attribute_methods/read.rb +++ b/activerecord/lib/active_record/attribute_methods/read.rb @@ -39,6 +39,26 @@ module ActiveRecord super end + def type_cast_attribute(attr_name, attributes, cache = {}) #:nodoc: + return unless attr_name + attr_name = attr_name.to_s + + if generated_external_attribute_methods.method_defined?(attr_name) + if attributes.has_key?(attr_name) || attr_name == 'id' + generated_external_attribute_methods.send(attr_name, attributes[attr_name], attributes, cache, attr_name) + end + elsif !attribute_methods_generated? + # If we haven't generated the caster methods yet, do that and + # then try again + define_attribute_methods + type_cast_attribute(attr_name, attributes, cache) + else + # If we get here, the attribute has no associated DB column, so + # just return it verbatim. + attributes[attr_name] + end + end + protected # We want to generate the methods via module_eval rather than define_method, # because define_method is slower on dispatch and uses more memory (because it @@ -105,25 +125,7 @@ module ActiveRecord # Returns the value of the attribute identified by <tt>attr_name</tt> after it has been typecast (for example, # "2004-12-12" in a data column is cast to a date object, like Date.new(2004, 12, 12)). def read_attribute(attr_name) - return unless attr_name - - attr_name = attr_name.to_s - methods = self.class.generated_external_attribute_methods - - if methods.method_defined?(attr_name) - if @attributes.has_key?(attr_name) || attr_name == 'id' - methods.send(attr_name, @attributes[attr_name], @attributes, @attributes_cache, attr_name) - end - elsif !self.class.attribute_methods_generated? - # If we haven't generated the caster methods yet, do that and - # then try again - self.class.define_attribute_methods - read_attribute(attr_name) - else - # If we get here, the attribute has no associated DB column, so - # just return it verbatim. - @attributes[attr_name] - end + self.class.type_cast_attribute(attr_name, @attributes, @attributes_cache) end private |