Class: Eventbox::ObjectRegistry

Inherits:
Object
  • Object
show all
Defined in:
lib/eventbox/object_registry.rb

Class Method Summary collapse

Class Method Details

.get_tag(object) ⇒ Object 



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# File 'lib/eventbox/object_registry.rb', line 30

def get_tag(object)
  object.instance_variable_defined?(:@__event_box_tag__) && object.instance_variable_get(:@__event_box_tag__)
end

.set_tag(object, new_tag) ⇒ Object

Raises:



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# File 'lib/eventbox/object_registry.rb', line 20

def set_tag(object, new_tag)
  raise InvalidAccess, "object is not taggable: #{object.inspect}" unless taggable?(object)

  tag = get_tag(object)
  if tag && tag != new_tag
    raise InvalidAccess, "object #{object.inspect} is already tagged to #{tag.inspect}"
  end
  object.instance_variable_set(:@__event_box_tag__, new_tag)
end

.taggable?(object) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/eventbox/object_registry.rb', line 6

def taggable?(object)
  case object
  # Keep the list of non taggable object types in sync with Sanitizer.sanitize_value
  when NilClass, Numeric, Symbol, TrueClass, FalseClass, WrappedObject, Action, Module, Eventbox, Proc
    false
  else
    if object.frozen?
      false
    else
      true
    end
  end
end