Module: Julewire::Core::Diagnostics::CallbackNotifier

Defined in:
lib/julewire/core/diagnostics/callback_notifier.rb

Defined Under Namespace

Classes: Failure

Class Method Summary collapse

Class Method Details

.call(callback, first_argument, metadata) ⇒ Object 



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# File 'lib/julewire/core/diagnostics/callback_notifier.rb', line 30

def call(callback, first_argument, metadata)
  return unless callback
  return nested_callback_result(metadata) if callback_active?

  previous = Fiber[ACTIVE_KEY]
  begin
    Fiber[ACTIVE_KEY] = true
    callback.call(first_argument, metadata)
    true
  rescue StandardError => e
    failure(e.class.name, metadata)
  ensure
    Fiber[ACTIVE_KEY] = previous
  end
end

.callback_active? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/julewire/core/diagnostics/callback_notifier.rb', line 54

def callback_active?
  Fiber[ACTIVE_KEY] == true
end

.failure(class_name, metadata) ⇒ Object 



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# File 'lib/julewire/core/diagnostics/callback_notifier.rb', line 58

def failure(class_name, metadata)
  Failure.new(at: Time.now.utc, class_name: class_name, metadata: metadata || {})
end

.failure?(result) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/julewire/core/diagnostics/callback_notifier.rb', line 46

def failure?(result)
  result.instance_of?(Failure)
end

.nested_callback_result(metadata) ⇒ Object 



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# File 'lib/julewire/core/diagnostics/callback_notifier.rb', line 50

def nested_callback_result(metadata)
  failure(NestedCallback.name, metadata)
end