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