Created
August 15, 2010 00:06
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require 'rubygems' | |
require 'active_model' | |
class BaseModel | |
extend ActiveModel::Callbacks | |
define_model_callbacks :save | |
before_save { puts "[save:before]"} | |
after_save { puts "[save:after]"} | |
def do_save; end | |
def save | |
_run_save_callbacks do | |
do_save | |
end | |
end | |
alias_method :superclass_save, :save | |
end | |
class SomeModel < BaseModel | |
def save | |
puts "[saving...]" | |
true | |
end | |
end | |
SomeModel.class_eval do | |
alias_method :subclass_save, :save | |
alias_method :do_save, :subclass_save | |
alias_method :save, :superclass_save | |
end | |
model = SomeModel.new | |
model.save |
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