define_attribute_methods()
public
Generates all the attribute related methods for columns in the database
accessors, mutators and query methods.
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def define_attribute_methods
unless defined?(@attribute_methods_mutex)
msg = "It looks like something (probably a gem/plugin) is overriding the " "ActiveRecord::Base.inherited method. It is important that this hook executes so " "that your models are set up correctly. A workaround has been added to stop this " "causing an error in 3.2, but future versions will simply not work if the hook is " "overridden. If you are using Kaminari, please upgrade as it is known to have had " "this problem.\n\n"
msg << "The following may help track down the problem:"
meth = method(:inherited)
if meth.respond_to?(:source_location)
msg << " #{meth.source_location.inspect}"
else
msg << " #{meth.inspect}"
end
msg << "\n\n"
ActiveSupport::Deprecation.warn(msg)
@attribute_methods_mutex = Mutex.new
end
@attribute_methods_mutex.synchronize do
return if attribute_methods_generated?
superclass.define_attribute_methods unless self == base_class
super(column_names)
column_names.each { |name| define_external_attribute_method(name) }
@attribute_methods_generated = true
end
end