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author | GitLab Bot <gitlab-bot@gitlab.com> | 2020-07-20 15:26:25 +0300 |
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committer | GitLab Bot <gitlab-bot@gitlab.com> | 2020-07-20 15:26:25 +0300 |
commit | a09983ae35713f5a2bbb100981116d31ce99826e (patch) | |
tree | 2ee2af7bd104d57086db360a7e6d8c9d5d43667a /lib/gitlab/class_attributes.rb | |
parent | 18c5ab32b738c0b6ecb4d0df3994000482f34bd8 (diff) |
Add latest changes from gitlab-org/gitlab@13-2-stable-ee
Diffstat (limited to 'lib/gitlab/class_attributes.rb')
-rw-r--r-- | lib/gitlab/class_attributes.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/gitlab/class_attributes.rb b/lib/gitlab/class_attributes.rb new file mode 100644 index 00000000000..6560c97b2e6 --- /dev/null +++ b/lib/gitlab/class_attributes.rb @@ -0,0 +1,30 @@ +# frozen_string_literal: true + +module Gitlab + module ClassAttributes + extend ActiveSupport::Concern + + class_methods do + protected + + # Returns an attribute declared on this class or its parent class. + # This approach allows declared attributes to be inherited by + # child classes. + def get_class_attribute(name) + class_attributes[name] || superclass_attributes(name) + end + + private + + def class_attributes + @class_attributes ||= {} + end + + def superclass_attributes(name) + return unless superclass.include? Gitlab::ClassAttributes + + superclass.get_class_attribute(name) + end + end + end +end |