Module: Elasticsearch::Model::Extensions::DependencyTracking

Defined in:
lib/elasticsearch/model/extensions/dependency_tracking.rb,
lib/elasticsearch/model/extensions/dependency_tracking/dependency_tracker.rb

Defined Under Namespace

Modules: ClassMethods Classes: DependencyTracker

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/elasticsearch/model/extensions/dependency_tracking.rb', line 7

def self.included(base)
  base.extend ClassMethods

  dependency_tracker = DependencyTracker.new(base)

  base.class_eval do
    before_validation do
      dependency_tracker.each_dependent_attribute_for(changes) do |a|
        attribute_will_change! a
      end
    end
  end

  # TODO Assert that @__dependency_tracker__ is nil to prevent users from facing terrible bugs
  # trying to include this module multiple times

  base.instance_variable_set :@__dependency_tracker__, dependency_tracker
end