60 lines
2 KiB
Ruby
60 lines
2 KiB
Ruby
require 'active_support/deprecation'
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# A deprecated mechanism to mark a class reloadable.
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#
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# Deprecated as of Rails 1.2.
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# All autoloaded objects are now unloaded.
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module Reloadable #:nodoc:
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class << self
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def included(base) #nodoc:
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unless base.ancestors.include?(Reloadable::Subclasses) # Avoid double warning
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ActiveSupport::Deprecation.warn "Reloadable has been deprecated and has no effect.", caller
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end
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raise TypeError, "Only Classes can be Reloadable!" unless base.is_a? Class
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unless base.respond_to?(:reloadable?)
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class << base
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define_method(:reloadable?) do
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ActiveSupport::Deprecation.warn "Reloadable has been deprecated and reloadable? has no effect", caller
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true
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end
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end
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end
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end
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def reloadable_classes
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ActiveSupport::Deprecation.silence do
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included_in_classes.select { |klass| klass.reloadable? }
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end
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end
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deprecate :reloadable_classes
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end
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# Captures the common pattern where a base class should not be reloaded,
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# but its subclasses should be.
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#
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# Deprecated as of Rails 1.2.
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# All autoloaded objects are now unloaded.
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module Subclasses #:nodoc:
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def self.included(base) #nodoc:
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base.send :include, Reloadable
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ActiveSupport::Deprecation.warn "Reloadable::Subclasses has been deprecated and has no effect.", caller
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(class << base; self; end).send(:define_method, :reloadable?) do
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ActiveSupport::Deprecation.warn "Reloadable has been deprecated and reloadable? has no effect", caller
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base != self
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end
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end
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end
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module Deprecated #:nodoc:
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def self.included(base)
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class << base
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define_method(:reloadable?) do
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ActiveSupport::Deprecation.warn "Reloadable has been deprecated and reloadable? has no effect", caller
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true # This might not have the desired effect, as AR::B.reloadable? => true.
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end
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end
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end
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end
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end |