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Description: Rails Plugin - specify attributes within a model that can be set but not modified
Homepage: http://6brand.com
Clone URL: git://github.com/JackDanger/immutable_attributes.git 
Configuring for Rails GemLocator
JackDanger (author)
Thu Mar 27 13:09:59 -0700 2008
commit  611798732ebd560ac6c759976e9eff00dee4f168
tree    1b9b7144dfcdf026b91f65183d1d348a850b65a4
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ImmutableAttributes
===================
 
When you want to prevent certain attributes from being changed once set you can declare them as immutable:
 
class MyModel < ActiveRecord::Base
  attr_immutable :permalink, :param_identifier
end
 
When MyModel.find(:first).permalink = 'anything' is called it will raise an ImmutableAttributeError
MyModel.new.permalink = 'works!' will properly set the value because the record is unsaved.
 
Created by Jack Danger Canty @ http://6brand.com
Released under the same licence as Rails (MIT)