# File lib/active_record/identity_map.rb, line 112
    def reinit_with(coder)
      @attributes_cache = {}
      dirty = @changed_attributes.keys
      @attributes.update(coder['attributes'].except(*dirty))
      @changed_attributes.update(coder['attributes'].slice(*dirty))
      @changed_attributes.delete_if{|k,v| v.eql? @attributes[k]}

      set_serialized_attributes

      run_callbacks :find

      self
    end