instance method observers=

Ruby on Rails 3.0.20

Since v2.2.3 Last seen in v3.2.22.5

Available in: v2.2.3 v2.3.18 v3.0.20 v3.1.12 v3.2.22.5

Signature

observers=(*values)

Active Model Observers Activation

Activates the observers assigned. Examples:

# Calls PersonObserver.instance
ActiveRecord::Base.observers = :person_observer

# Calls Cacher.instance and GarbageCollector.instance
ActiveRecord::Base.observers = :cacher, :garbage_collector

# Same as above, just using explicit class references
ActiveRecord::Base.observers = Cacher, GarbageCollector

Note: Setting this does not instantiate the observers yet. instantiate_observers is called during startup, and before each development request.

Parameters

values rest
Source
# File activemodel/lib/active_model/observing.rb, line 28
      def observers=(*values)
        @observers = values.flatten
      end

Defined in activemodel/lib/active_model/observing.rb line 28 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveModel::Observing::ClassMethods

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