diff options
Diffstat (limited to 'activerecord/lib/active_record/attribute_methods.rb')
| -rw-r--r-- | activerecord/lib/active_record/attribute_methods.rb | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb index 73761520f7..4b1733619a 100644 --- a/activerecord/lib/active_record/attribute_methods.rb +++ b/activerecord/lib/active_record/attribute_methods.rb @@ -29,6 +29,8 @@ module ActiveRecord end } + BLACKLISTED_CLASS_METHODS = %w(private public protected) + class AttributeMethodCache def initialize @module = Module.new @@ -106,20 +108,39 @@ module ActiveRecord else # If B < A and A defines its own attribute method, then we don't want to overwrite that. defined = method_defined_within?(method_name, superclass, superclass.generated_attribute_methods) - defined && !ActiveRecord::Base.method_defined?(method_name) || super + base_defined = Base.method_defined?(method_name) || Base.private_method_defined?(method_name) + defined && !base_defined || super end end - # A method name is 'dangerous' if it is already defined by Active Record, but + # A method name is 'dangerous' if it is already (re)defined by Active Record, but # not by any ancestors. (So 'puts' is not dangerous but 'save' is.) def dangerous_attribute_method?(name) # :nodoc: method_defined_within?(name, Base) end - def method_defined_within?(name, klass, sup = klass.superclass) # :nodoc: + def method_defined_within?(name, klass, superklass = klass.superclass) # :nodoc: if klass.method_defined?(name) || klass.private_method_defined?(name) - if sup.method_defined?(name) || sup.private_method_defined?(name) - klass.instance_method(name).owner != sup.instance_method(name).owner + if superklass.method_defined?(name) || superklass.private_method_defined?(name) + klass.instance_method(name).owner != superklass.instance_method(name).owner + else + true + end + else + false + end + end + + # A class method is 'dangerous' if it is already (re)defined by Active Record, but + # not by any ancestors. (So 'puts' is not dangerous but 'new' is.) + def dangerous_class_method?(method_name) + BLACKLISTED_CLASS_METHODS.include?(method_name.to_s) || class_method_defined_within?(method_name, Base) + end + + def class_method_defined_within?(name, klass, superklass = klass.superclass) # :nodoc + if klass.respond_to?(name, true) + if superklass.respond_to?(name, true) + klass.method(name).owner != superklass.method(name).owner else true end @@ -260,6 +281,11 @@ module ActiveRecord } end + # Placeholder so it can be overriden when needed by serialization + def attributes_for_coder # :nodoc: + attributes + end + # Returns an <tt>#inspect</tt>-like string for the value of the # attribute +attr_name+. String attributes are truncated upto 50 # characters, Date and Time attributes are returned in the |