Module: ModelObserver::ActiveRecord

Defined in:
lib/model_observer/active_record3.rb,
lib/model_observer/active_record4.rb

Class Method Summary collapse

Class Method Details

.enable ⇒ Object 



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# File 'lib/model_observer/active_record3.rb', line 3

def self.enable
  require 'active_record'
  ::ActiveRecord::Inheritance::ClassMethods.class_eval do
    alias_method :origin_instantiate, :instantiate

    def instantiate(record)
      started_at = Time.now
      instance = origin_instantiate(record)
      ModelObserver::Collector.add_metric(ModelObserver::Metric.new(instance, started_at, Time.now))
      instance
    end
  end
end