46 lines
967 B
Ruby
46 lines
967 B
Ruby
# frozen_string_literal: true
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module Gitlab
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module ClassAttributes
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extend ActiveSupport::Concern
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class_methods do
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protected
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# Returns an attribute declared on this class or its parent class.
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# This approach allows declared attributes to be inherited by
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# child classes.
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def get_class_attribute(name)
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class_attributes[name] || superclass_attributes(name)
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end
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def set_class_attribute(name, value)
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class_attributes[name] = value
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after_hooks.each(&:call)
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value
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end
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def after_set_class_attribute(&block)
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after_hooks << block
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end
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private
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def class_attributes
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@class_attributes ||= {}
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end
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def superclass_attributes(name)
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return unless superclass.include? Gitlab::ClassAttributes
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superclass.get_class_attribute(name)
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end
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def after_hooks
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@after_hooks ||= []
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end
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end
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end
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end
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